NEC Viewtechnology, Ltd.

Patent Applications and Registrations

Patent applications and USPTO patent grants for NEC Viewtechnology, Ltd..The latest application filed is for "method and apparatus for improving image quality".

Company Profile

1.119.127

NEC Viewtechnology, Ltd. - Tokyo JP
NEC ViewTechnology, Ltd. - Minato-Ku Tokyo JP
NEC Viewtechnology, Ltd - Tokyo JP
NEC Viewtechnology, Ltd. -
NEC VIEWTECHNOLOGY, LTD. - 37-8, Shiba 5-chome, Tokyo JP
NEC Viewtechnology, Ltd. - JP JP
NEC Viewtechnology, Ltd. - Tokyo-to JP
NEC VIEWTECHNOLOGY, LTD. - 37-8, SHIBA 5-CHOME MINATO-KU TOKYO JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Method and apparatus for improving image quality Grant 8,692,939 - Kobayashi , et al. April 8, 2	2014-04-08
Apparatus control system and apparatus control method Grant 8,635,364 - Yoshida January 21, 2	2014-01-21
Video and audio reproducing apparatus and video and audio reproducing method for reproducing video images and sound based on video and audio streams Grant 08620134 -	2013-12-31
Video and audio reproducing apparatus and video and audio reproducing method for reproducing video images and sound based on video and audio streams Grant 8,620,134 - Koyanagi , et al. December 31, 2	2013-12-31
Method And Apparatus For Improving Image Quality App 20120242903 - KOBAYASHI; Michio ; et al.	2012-09-27
Device control Grant 8,175,569 - Yoshida May 8, 2	2012-05-08
Reduction in load of image transmission Grant 8,154,596 - Ishii April 10, 2	2012-04-10
Circulation-type liquid cooling apparatus and electronic device containing same Grant 8,118,083 - Utsunomiya February 21, 2	2012-02-21
Moving image distribution system and moving image distribution server App 20120036547 - Aoyanagi; Hisakazu ; et al.	2012-02-09
Moving image distribution system and moving image distribution server Grant 8,107,538 - Aoyanagi , et al. January 31, 2	2012-01-31
Projector selection system, projector selection method, and program for implementing the system and method Grant 8,086,704 - Honma December 27, 2	2011-12-27
Optical system for a display panel using divided irradiation Grant 8,000,019 - Kato August 16, 2	2011-08-16
Liquid crystal projector apparatus and cooler Grant 7,967,446 - Utsunomiya June 28, 2	2011-06-28
Transmission rate adjustment device and method Grant 7,965,634 - Aoyanagi June 21, 2	2011-06-21
Projector Selection System, Projector Selection Method, And Program For Implementing The System And Method App 20110082903 - HONMA; Kazuya	2011-04-07
Wave receiving device and method of determining wave reception Grant 7,880,721 - Suzuki , et al. February 1, 2	2011-02-01
Video apparatus and video processing method Grant 7,880,812 - Tani February 1, 2	2011-02-01
Electronic pen having an ultrasonic wave controller Grant 7,842,893 - Tomiya November 30, 2	2010-11-30
Display panel driver and display panel driving method Grant 7,834,866 - Ogawa November 16, 2	2010-11-16
Projection display apparatus Grant 7,821,600 - Okada October 26, 2	2010-10-26
Video signal determination device, a video display device, a video signal determination method, and a video display method for determining the type of a video signal that contains a synchronizing signal Grant 7,812,888 - Kataoka October 12, 2	2010-10-12
Tilt angle adjusting device with a shaft and a moment transmission member, and projector including the device Grant 7,789,367 - Lee September 7, 2	2010-09-07
Structure for cooling a lamp for a projection display apparatus having an integrated exhaust duct Grant 7,766,484 - Takeda , et al. August 3, 2	2010-08-03
Image display device for rotating an image displayed on a display screen Grant 7,746,365 - Nishida June 29, 2	2010-06-29
Liquid Crystal Projector Apparatus And Cooler App 20100157176 - UTSUNOMIYA; Motoyasu	2010-06-24
Structure for protecting a rod integrator having a light shield plate with an opening Grant 7,726,819 - Shouji June 1, 2	2010-06-01
Projection display apparatus Grant 7,717,573 - Matsubara , et al. May 18, 2	2010-05-18
Circulation-type liquid cooling apparatus and electronic device containing same Grant 7,717,161 - Utsunomiya May 18, 2	2010-05-18
Liquid crystal projector apparatus using heat exchanger and method of cooling liquid crystal projector apparatus Grant 7,703,927 - Utsunomiya April 27, 2	2010-04-27
Projector and focus adjustment method Grant 7,690,797 - Higashi April 6, 2	2010-04-06
Projector having horizontal displacement sensors for correcting distortion Grant 7,661,825 - Nishida February 16, 2	2010-02-16
Image transmission apparatus using information on rendered range Grant 7,633,641 - Ishii December 15, 2	2009-12-15
Multiscreen display system, multiscreen display method, luminance correction method, and programs Grant 7,618,146 - Matsushita November 17, 2	2009-11-17
Light source device and projection display apparatus Grant 7,591,571 - Takeda September 22, 2	2009-09-22
Projection display apparatus using liquid cooling and air cooling Grant 7,556,383 - Utsunomiya July 7, 2	2009-07-07
Lamp unit and projection display apparatus Grant 7,540,633 - Nishimura , et al. June 2, 2	2009-06-02
Projector with transmitter information receiver and method of correcting distortion of projected image Grant 7,524,069 - Murayama , et al. April 28, 2	2009-04-28
Picture quality improvement device and picture quality improvement method Grant 7,518,660 - Kobayashi , et al. April 14, 2	2009-04-14
Picture quality improvement device and picture quality improvement method Grant 7,505,084 - Kobayashi , et al. March 17, 2	2009-03-17
Rotary operation mechanism, electronic apparatus and projector Grant 7,465,055 - Itou December 16, 2	2008-12-16
Projector with a device for measuring angle of inclination Grant 7,452,084 - Mochizuki November 18, 2	2008-11-18
Circulation-type liquid cooling apparatus and electronic device containing same App 20080277102 - Utsunomiya; Motoyasu	2008-11-13
Three-panel projection display apparatus for displaying color images Grant 7,448,755 - Osaka November 11, 2	2008-11-11
Projector device with theft prevention function and theft preventing method Grant 7,429,930 - Aoyanagi September 30, 2	2008-09-30
Once-through forced air-cooled heat sink for a projection display apparatus Grant 7,411,789 - Nishimura August 12, 2	2008-08-12
Liquid-cooled projector Grant 7,384,152 - Takeuchi June 10, 2	2008-06-10
Optical unit for projection display apparatus and projection display apparatus Grant 7,382,538 - Fukunaga June 3, 2	2008-06-03
Method of displaying image, device for displaying image and program Grant 7,375,766 - Sakamoto May 20, 2	2008-05-20
Single-plate color projector and synchronization adjusting method therefor Grant 7,367,678 - Kobayashi May 6, 2	2008-05-06
Projection display apparatus Grant 7,341,357 - Furuichi , et al. March 11, 2	2008-03-11
Three-panel projection display apparatus for displaying color images App 20080024731 - Osaka; Akihiro	2008-01-31
Projector for changing driving frequency for driving light source lamp within allowable frequency range Grant 7,275,835 - Kataoka October 2, 2	2007-10-02
Method For Correcting For Distortion Of Projected Image, Program For Correcting Image Distortion, And Projection-type Image Display Device App 20070206159 - ITAKI; Youichi	2007-09-06
Projection display apparatus App 20070206302 - Furuichi; Kunitaka ; et al.	2007-09-06
Transmission rate adjustment device and method App 20070189315 - Aoyanagi; Hisakazu	2007-08-16
Projector And Projector Accessory App 20070188475 - TAMURA; Youichi	2007-08-16
Circuit for and method of driving liquid crystal panel of liquid crystal projector Grant 7,253,796 - Ogawa August 7, 2	2007-08-07
Three-panel projection display apparatus for displaying color images Grant 7,252,384 - Osaka August 7, 2	2007-08-07
Apparatus control system and apparatus control method App 20070174423 - Yoshida; Yukinori	2007-07-26
Method for correcting for distortion of projected image, program for correcting image distortion, and projection-type image display device Grant 7,233,370 - Itaki June 19, 2	2007-06-19
Video apparatus and video processing method App 20070132881 - Tani; Tadashi	2007-06-14
Projector Grant D544,516 - Yamada , et al. June 12, 2	2007-06-12
Projector with a plurality of cameras Grant 7,226,173 - Aoyanagi June 5, 2	2007-06-05
Structure for cooling a lamp for a projection display apparatus having an integrated exhaust duct App 20070115436 - Takeda; Mikiya ; et al.	2007-05-24
Structure for protecting a rod integrator having a light shield plate with an opening App 20070115437 - Shouji; Eisaku	2007-05-24
Liquid crystal display device and method for driving the same Grant 7,221,348 - Ogawa May 22, 2	2007-05-22
Projection display device App 20070109507 - Ishikura; Naofumi ; et al.	2007-05-17
Projection display device Grant 7,210,786 - Tamura , et al. May 1, 2	2007-05-01
Method and apparatus for improving image quality App 20070085930 - Kobayashi; Michio ; et al.	2007-04-19
Projector and method of correcting projected image distortion Grant 7,204,595 - Tamura April 17, 2	2007-04-17
Projector with foreign matter detecting means Grant 7,201,484 - Kobayashi , et al. April 10, 2	2007-04-10
Projection type display device Grant 7,201,482 - Tamura April 10, 2	2007-04-10
Dynamic white balance control circuit and multi-screen display device Grant 7,199,822 - Fujino April 3, 2	2007-04-03
Video signal determination device, a video display device, a video signal determination method, and a video display method for determining the type of a video signal that contains a synchronizing signal App 20070070202 - Kataoka; Tooru	2007-03-29
Multiblade fan and electronic apparatus having a multiblade fan Grant 7,195,450 - Takamatsu March 27, 2	2007-03-27
Projector and projector accessory Grant 7,185,987 - Tamura March 6, 2	2007-03-06
Electronic pen having an ultrasonic wave controller App 20070046654 - Tomiya; Shu	2007-03-01
Moving image distribution system and moving image distribution server App 20070040818 - Aoyanagi; Hisakazu ; et al.	2007-02-22
Projection type display apparatus Grant 7,177,078 - Yamada , et al. February 13, 2	2007-02-13
TIR PRISM for a projection display apparatus having a partially masked surface App 20070019165 - Ishikura; Naofumi	2007-01-25
Video and audio reproducing apparatus and video and audio reproducing method for reproducing video images and sound based on video and audio streams App 20070019739 - Koyanagi; Kazuyuki ; et al.	2007-01-25
Display panel driver and display panel driving method App 20070008264 - Ogawa; Yasunori	2007-01-11
Once-through forced air-cooled heat sink for a projection display apparatus App 20070000650 - Nishimura; Yoshifumi	2007-01-04
Projector having horizontal displacement sensors for correcting distortion App 20060290896 - Nishida; Michiya	2006-12-28
Video display device with spatial light modulator Grant 7,154,458 - Nakanishi December 26, 2	2006-12-26
Projector and focus adjustment method App 20060285089 - Higashi; Hideaki	2006-12-21
Optical unit for projection display apparatus and projection display apparatus App 20060274422 - Fukunaga; Hiroaki	2006-12-07
Projector with foreign matter detecting means App 20060232751 - Kobayashi; Hiroyuki ; et al.	2006-10-19
Geometrically correcting method and system for image distortion with the aid of an auxiliary line Grant 7,121,667 - Moriwaki , et al. October 17, 2	2006-10-17
Imaging optical system Grant 7,123,420 - Matsuo October 17, 2	2006-10-17
Lamp unit and projection display apparatus App 20060227555 - Nishimura; Yoshifumi ; et al.	2006-10-12
Projection display apparatus App 20060227303 - Matsubara; Masateru ; et al.	2006-10-12
Flicker detecting system for detecting lamp life differing from lamp to lamp Grant 7,119,492 - Kuroda October 10, 2	2006-10-10
Projection display apparatus using liquid cooling and air cooling App 20060209266 - Utsunomiya; Motoyasu	2006-09-21
Reduction in load of image transmission App 20060209340 - Ishii; Eisaku	2006-09-21
Projector apparatus Grant 7,108,381 - Furuichi September 19, 2	2006-09-19
System for correcting approximate expressions used in geometrical correction of projected images Grant 7,104,653 - Moriwaki , et al. September 12, 2	2006-09-12
Device and method for improving picture quality Grant 7,106,386 - Kobayashi September 12, 2	2006-09-12
Wave receiving device and method of determining wave reception App 20060195274 - Suzuki; Kenji ; et al.	2006-08-31
Projector with foreign matter detecting means Grant 7,093,943 - Kobayashi , et al. August 22, 2	2006-08-22
Projector with transmitter information receiver and method of correcting distortion of projected image App 20060183994 - Murayama; Syuuji ; et al.	2006-08-17
Optical system for a display panel using divided irradiation App 20060170873 - Kato; Atsushi	2006-08-03
Projector device with theft prevention function and theft preventing method App 20060164242 - Aoyanagi; Hisakazu	2006-07-27
Light source device and projection display Grant 7,070,281 - Kato July 4, 2	2006-07-04
Projector apparatus App 20060126035 - Furuichi; Kunitaka	2006-06-15
Device control App 20060121863 - Yoshida; Yukinori	2006-06-08
Projector Grant D522,037 - Inoue , et al. May 30, 2	2006-05-30
Projector Grant D522,038 - Yamada , et al. May 30, 2	2006-05-30
Light source device and projection display apparatus App 20060109656 - Takeda; Mikiya	2006-05-25
Picture quality improvement device and picture quality improvement method App 20060103763 - Kobayashi; Michio ; et al.	2006-05-18
Picture quality improvement device and picture quality improvement method App 20060098122 - Kobayashi; Michio ; et al.	2006-05-11
Liquid crystal projector Grant 7,040,760 - Nakanishi , et al. May 9, 2	2006-05-09
Image display apparatus, light quantity control method, and storage medium storing program thereof Grant 7,034,895 - Okunuki , et al. April 25, 2	2006-04-25
Projector apparatus Grant 7,029,131 - Furuichi April 18, 2	2006-04-18
Imaging optical system App 20060077567 - Matsuo; Eiki	2006-04-13
Projector Grant D517,588 - Yamada , et al. March 21, 2	2006-03-21
Projector for changing driving frequency for driving light source lamp within allowable frequency range App 20060049775 - Kataoka; Toru	2006-03-09
Tilt angle adjusting device with a shaft and a moment transmission member App 20060043252 - Lee; Junsi	2006-03-02
Method of and apparatus for improving picture quality Grant 7,006,704 - Kobayashi , et al. February 28, 2	2006-02-28
Circulation-type liquid cooling apparatus and electronic device containing same App 20060037739 - Utsunomiya; Motoyasu	2006-02-23
Multiscreen display system, multiscreen display method, luminance correction method, and programs App 20060012759 - Matsushita; Tomoyoshi	2006-01-19
Image display system App 20050285848 - Fukuda, Kazuya	2005-12-29
Projector with a device for measuring angle of inclination App 20050270496 - Mochizuki, Kazuo	2005-12-08
Three-panel projection display apparatus for displaying color images App 20050264763 - Osaka, Akihiro	2005-12-01
Rotary operation mechanism, electronic apparatus and projector App 20050264771 - Itou, Yasushi	2005-12-01
Image transmission apparatus using information on rendered range App 20050264843 - Ishii, Eisaku	2005-12-01
Projector with foreign matter detecting means App 20050264769 - Kobayashi, Hiroyuki ; et al.	2005-12-01
Liquid-cooled projector App 20050236144 - Takeuchi, Katsuyuki	2005-10-27
Image display device for rotating an image displayed on a display screen App 20050237346 - Nishida, Michiya	2005-10-27
Single-plate color projector and synchronization adjusting method therefor App 20050225731 - Kobayashi, Michio	2005-10-13
Color adjusting method for projector Grant 6,953,250 - Yasumi , et al. October 11, 2	2005-10-11
Imaging optical system Grant 6,950,240 - Matsuo September 27, 2	2005-09-27
Automatic adjusting method and circuit Grant 6,950,955 - Sakamoto , et al. September 27, 2	2005-09-27
Luminance correcting apparatus, luminance correcting method, and projector App 20050207046 - Tamura, Youichi	2005-09-22
Imaging optical system Grant 6,947,221 - Matsuo September 20, 2	2005-09-20
Projection display device Grant 6,935,749 - Kato August 30, 2	2005-08-30
Projector with a plurality of cameras App 20050179875 - Aoyanagi, Hisakazu	2005-08-18
Power supply device for energizing discharge lamp Grant 6,930,453 - Hosono August 16, 2	2005-08-16
Projector with foreign matter detecting means Grant 6,929,370 - Kobayashi , et al. August 16, 2	2005-08-16
Projection display system and projector Grant 6,929,371 - Saito August 16, 2	2005-08-16
Method of displaying image, device for displaying image and program App 20050168642 - Sakamoto, Kazuaki	2005-08-04
Tilt-foot mechanism for projector Grant 6,921,173 - Lee July 26, 2	2005-07-26
Flicker detecting system for detecting lamp life differing from lamp to lamp App 20050156537 - Kuroda, Atushi	2005-07-21
Projector selection system, projector selecting method, and program for implementing the system and method App 20050157218 - Honma, Kazuya	2005-07-21
Image projection control apparatus capable of displaying a plurality of images App 20050128530 - Aiba, Yoshikatsu ; et al.	2005-06-16
Liquid crystal projector apparatus using heat exchanger and method of cooling liquid crystal projector apparatus App 20050117077 - Utsunomiya, Motoyasu	2005-06-02
Projector Grant D505,441 - Junsi , et al. May 24, 2	2005-05-24
Method and apparatus for setting network App 20050108408 - Ookubo, Toshikazu	2005-05-19
Multiblade fan and electronic apparatus having a multiblade fan App 20050095120 - Takamatsu, Hiroaki	2005-05-05
Projector with light source having variable brightness based on detected temperature information Grant 6,886,942 - Okada , et al. May 3, 2	2005-05-03
Projector Grant D504,453 - Junsi , et al. April 26, 2	2005-04-26
Projector, electronic whiteboard system using projector and method of acquiring indicated point App 20050083301 - Tamura, Youichi	2005-04-21
Projector and method of correcting projected image distortion App 20050078282 - Tamura, Youichi	2005-04-14
Projector and projector accessory App 20050078279 - Tamura, Youichi	2005-04-14
Projector and method of correcting image distortion Grant 6,877,864 - Tamura , et al. April 12, 2	2005-04-12
Imaging optical system Grant 6,879,444 - Matsuo April 12, 2	2005-04-12
Projector Grant 6,877,862 - Fukunaga , et al. April 12, 2	2005-04-12
Projector and projection method App 20050073660 - Tamura, Youichi ; et al.	2005-04-07
Projector and method of projecting image from projector App 20050073661 - Tamura, Youichi	2005-04-07
Projection display device App 20050068500 - Tamura, Youichi ; et al.	2005-03-31
Projection display device App 20050036118 - Ishikura, Naofumi ; et al.	2005-02-17
Projector Grant 6,846,081 - Mochizuki , et al. January 25, 2	2005-01-25
System for correcting approximate expressions used in geometrical correction of projected images App 20040257366 - Moriwaki, Daisuke ; et al.	2004-12-23
Projector Grant D500,070 - Yamaguchi , et al. December 21, 2	2004-12-21
Documentation camera and method of controlling operation thereof App 20040252381 - Takagi, Satoru	2004-12-16
Picture display of rear surface projection type Grant 6,829,088 - Ogawa December 7, 2	2004-12-07
Tilt-foot mechanism for projector App 20040239891 - Lee, Junsi	2004-12-02
Projector Grant D498,783 - Oota , et al. November 23, 2	2004-11-23
Cellular phone with high-quality sound reproduction capability Grant 6,819,939 - Masamura November 16, 2	2004-11-16
Projector Grant D498,488 - Oota , et al. November 16, 2	2004-11-16
Display system Grant 6,819,064 - Nakanishi November 16, 2	2004-11-16
Geometrically correcting method and system for image distortion with the aid of an auxiliary line App 20040207819 - Moriwaki, Daisuke ; et al.	2004-10-21
Rear projection display device and projecting method used for the same Grant 6,805,447 - Takeuchi October 19, 2	2004-10-19
Projector and lamp information management method used for the same Grant 6,802,615 - Okada October 12, 2	2004-10-12
Imaging optical system App 20040196568 - Matsuo, Eiki	2004-10-07
Reflective time-division image projector having a transmission color wheel Grant 6,795,249 - Shioya September 21, 2	2004-09-21
Projector apparatus App 20040169828 - Furuichi, Kunitaka	2004-09-02
Circuit for and method of driving liquid crystal panel of liquid crystal projector App 20040160397 - Ogawa, Yasunori	2004-08-19
Projection display system and projector App 20040160763 - Saito, Masami	2004-08-19
Power supply device for energizing discharge lamp App 20040155605 - Hosono, Hideaki	2004-08-12
Image projector having a grid display device App 20040150617 - Tamura, Youichi	2004-08-05
Image-forming optical system Grant 6,771,427 - Matsuo August 3, 2	2004-08-03
Imaging optical system App 20040114255 - Matsuo, Eiki	2004-06-17
Imaging optical system App 20040114256 - Matsuo, Eiki	2004-06-17
Projection display device App 20040114250 - Kato, Atsushi	2004-06-17
Document camera App 20040109615 - Nakamura, Toshiaki	2004-06-10
Light source device and projection display App 20040109329 - Kato, Atsushi	2004-06-10
Remote control signal reception device Grant 6,747,565 - Mochizuki June 8, 2	2004-06-08
Projector device Grant 6,742,898 - Shouji June 1, 2	2004-06-01
Image reader Grant D490,433 - Moriya , et al. May 25, 2	2004-05-25
Liquid crystal projector App 20040090601 - Nakanishi, Shuichi ; et al.	2004-05-13
Digital mirror device projector and method of correcting video signal being used in digital mirror device projector Grant 6,733,137 - Tomiya May 11, 2	2004-05-11
Desk provided with projector App 20040080720 - Saito, Masami	2004-04-29
Projector device and projector system having irregular color and irregular luminance correction circuit Grant 6,719,428 - Noguchi April 13, 2	2004-04-13
Projector device comprising a rod integrator having at least one notch or a protruded portion Grant 6,715,880 - Shouji April 6, 2	2004-04-06
Projector App 20040061838 - Mochizuki, Kazuo ; et al.	2004-04-01
Digital mirror device projector and method of controlling amount of light being used in digital mirror device projector Grant 6,707,596 - Tomiya March 16, 2	2004-03-16
Electric equipment, and method and program for preventing unauthorized use of same App 20040044903 - Komatsu, Yoshiharu	2004-03-04
Polarizing unit, polarizing illumination device using same polarizing unit and projection display device using same polarizing illumination device Grant 6,698,891 - Kato March 2, 2	2004-03-02
Video display device App 20040036668 - Nakanishi, Shuichi	2004-02-26
Dynamic white balance control circuit and multi-screen display device App 20040032534 - Fujino, Shigeru	2004-02-19
Digital image reproducing apparatus and method Grant 6,687,453 - Sakamoto , et al. February 3, 2	2004-02-03
Color adjusting method for projector App 20040017550 - Yasumi, Takehiko ; et al.	2004-01-29
Method and device for correcting color purity Grant 6,667,775 - Matsushita , et al. December 23, 2	2003-12-23
Liquid crystal display device and method for driving the same App 20030231155 - Ogawa, Yasunori	2003-12-18
Projector device App 20030227598 - Shouji, Eisaku	2003-12-11
Projector and lamp information management method used for the same App 20030214638 - Okada, Takayuki	2003-11-20
Method of correcting for distortion of projected image, distortion correcting program used in same method, and projection-type image display device App 20030210381 - Itaki, Youichi	2003-11-13
LED-illumination-type DMD projector and optical system thereof Grant 6,644,814 - Ogawa , et al. November 11, 2	2003-11-11
Image pick-up device App 20030202224 - Moriya, Yoshinobu	2003-10-30
Method for correcting for distortion of projected image, program for correcting image distortion, and projection-type image display device App 20030189675 - Itaki, Youichi	2003-10-09
Reflective time-division image projector App 20030184870 - Shioya, Yukinori	2003-10-02
Projector App 20030179349 - Fukunaga, Hiroaki ; et al.	2003-09-25
Digital mirror device projector and method of controlling amount of light being used in digital mirror device projector App 20030179435 - Tomiya, Shu	2003-09-25
Digital mirror device projector and method of correcting video signal being used in digital mirror device projector App 20030179347 - Tomiya, Shu	2003-09-25
Reflection type image forming optical system and projector Grant 6,612,704 - Ogawa September 2, 2	2003-09-02
Projection-type display device having distortion correction function App 20030142116 - Mochizuki, Kazuo	2003-07-31
Video projector Grant 6,597,409 - Shioya , et al. July 22, 2	2003-07-22
LED-illumination-type DMD projector and optical system thereof App 20030133080 - Ogawa, Jun ; et al.	2003-07-17
Display system App 20030128000 - Nakanishi, Shuichi	2003-07-10
Image display apparatus, light quantity control method, and storage medium storing program thereof App 20030112378 - Okunuki, Junichi ; et al.	2003-06-19
Reflection Type Image Forming Optical System And Projector App 20030107716 - Ogawa, Jun	2003-06-12
Reflective time-division image projector Grant 6,574,046 - Shioya June 3, 2	2003-06-03
Polarizing unit, polarizing illumination device using same polarizing unit and projection display device using same polarizing illumination device App 20030086066 - Kato, Atsushi	2003-05-08
Projector device and projector system having irregular color and irregular luminance correction circuit App 20030081181 - Noguchi, Toshiyuki	2003-05-01
Projection lens shifting mechanism Grant 6,547,402 - Masuda April 15, 2	2003-04-15
Lens-less projection optical system of reflection type Grant 6,513,935 - Ogawa February 4, 2	2003-02-04
Device and method for improving picture quality App 20030020836 - Kobayashi, Michio	2003-01-30
Projector with means for changing stepwise electric energy supplied to light source based on detected temperature information App 20030020884 - Okada, Takayuki ; et al.	2003-01-30
Projector device App 20030007132 - Shouji, Eisaku	2003-01-09
Video projector Grant 6,491,398 - Takeuchi , et al. December 10, 2	2002-12-10
Method and device for correcting color purity App 20020180361 - Matsushita, Tomoyoshi ; et al.	2002-12-05
Projection lens shifting mechanism App 20020154278 - Masuda, Naoki	2002-10-24
Projector apparatus Grant 6,469,839 - Agata October 22, 2	2002-10-22
Method of and apparatus for improving picture quality App 20020149685 - Kobayashi, Michio ; et al.	2002-10-17
Graphic display device with built-in speech recognition function App 20020147589 - Itaki, Youichi	2002-10-10
Method of correcting color saturation of video signals App 20020140865 - Matsushita, Tomoyoshi ; et al.	2002-10-03
Cellular phone with high-quality sound reproduction capability App 20020137478 - Masamura, Hitoshi	2002-09-26
Projection type liquid crystal display apparatus having optimum optical shield plate, method and apparatus for assembling the same App 20020089627 - Kayanuma, Kouichi	2002-07-11
Picture display of rear surface projection type App 20020089743 - Ogawa, Jun	2002-07-11
Video apparatus having serial receiver App 20020051511 - Kataoka, Tohru	2002-05-02
Aperture element for video projector and video projector using the same aperture element App 20020051094 - Makita, Kazuya	2002-05-02
Rear projection display device and projecting method used for the same App 20020044263 - Takeuchi, Tadashi	2002-04-18
Lens-less projection optical system of reflection type App 20020030791 - Ogawa, Jun	2002-03-14
Electronic presentation system App 20020024518 - Murata, Toru	2002-02-28
Image display device App 20020021259 - Itaki, Youichi ; et al.	2002-02-21
Projector App 20020018187 - Furuichi, Kunitaka ; et al.	2002-02-14

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