Yajima; Akitaka
Patent Applications and Registrations
Patent applications and USPTO patent grants for Yajima; Akitaka.The latest application filed is for "display device".
Company Profile
0.36.15
- Yajima; Akitaka - Tatsuno-Machi JP
- Yajima; Akitaka - Suwa JP
- Yajima; Akitaka - Nagano-ken JP
- Yajima, Akitaka - Suwa-shi JP
- Yajima; Akitaka - Tatsuno JP
- Yajima; Akitaka - Tatuno JP
Patent Activity
| Patent | Date |
|---|---|
| Display device Grant 9,794,535 - Otani , et al. October 17, 2 | 2017-10-17 |
| Display Device App 20160286180 - OTANI; Makoto ; et al. | 2016-09-29 |
| Projector App 20160041459 - OTANI; Makoto ; et al. | 2016-02-11 |
| Projector Grant 9,250,507 - Narimatsu , et al. February 2, 2 | 2016-02-02 |
| Projector App 20140036164 - Narimatsu; Shuji ; et al. | 2014-02-06 |
| Projector Grant RE41,680 - Hashizume , et al. September 14, 2 | 2010-09-14 |
| Optical element, polarization illumination device, and projector Grant RE40,251 - Ogawa , et al. April 22, 2 | 2008-04-22 |
| Dichroic prism, prism unit, and projection display apparatus Grant RE39,859 - Ushiyama , et al. September 25, 2 | 2007-09-25 |
| Light-modulating projector Grant 7,267,443 - Yamakawa , et al. September 11, 2 | 2007-09-11 |
| Projector Grant RE39,702 - Hashizume , et al. June 26, 2 | 2007-06-26 |
| Optical element, polarization illumination device, and projector Grant RE39,243 - Ogawa , et al. August 22, 2 | 2006-08-22 |
| Projector App 20060152681 - Yamakawa; Hidemasa ; et al. | 2006-07-13 |
| Projector Grant RE39,040 - Ogawa , et al. March 28, 2 | 2006-03-28 |
| Light-source lamp unit, light-source device and projection-type display apparatus Grant 7,006,004 - Miyashita , et al. February 28, 2 | 2006-02-28 |
| Dichroic prism and projection display apparatus Grant RE38,740 - Hashizume , et al. June 7, 2 | 2005-06-07 |
| System and methods for providing a zoom lens device Grant 6,894,845 - Narimatsu , et al. May 17, 2 | 2005-05-17 |
| Liquid crystal light valve and projection display device including the same Grant 6,856,375 - Yajima , et al. February 15, 2 | 2005-02-15 |
| Projection-type display apparatus Grant 6,778,228 - Murakami , et al. August 17, 2 | 2004-08-17 |
| Light-source lamp unit, light-source device and projection-type display apparatus App 20040080715 - Miyashita, Kiyoshi ; et al. | 2004-04-29 |
| Light-source lamp unit, light-source device and projection-type display apparatus Grant 6,690,282 - Miyashita , et al. February 10, 2 | 2004-02-10 |
| Illumination system and projector Grant 6,669,345 - Yajima December 30, 2 | 2003-12-30 |
| Correction of image distortion Grant 6,652,104 - Nishida , et al. November 25, 2 | 2003-11-25 |
| Projection display device Grant 6,637,886 - Ushiyama , et al. October 28, 2 | 2003-10-28 |
| Projection display device Grant 6,612,702 - Ushiyama , et al. September 2, 2 | 2003-09-02 |
| Projection display device App 20030107713 - Ushiyama, Tomiyoshi ; et al. | 2003-06-12 |
| Projection-type display apparatus App 20030025845 - Murakami, Osamu ; et al. | 2003-02-06 |
| Illumination system and projector App 20030025883 - Yajima, Akitaka | 2003-02-06 |
| Zoom lens device, optical device comprising the same, and projector App 20020154276 - Narimatsu, Shuji ; et al. | 2002-10-24 |
| Liquid crystal light valve and projection display device including the same App 20020126228 - Yajima, Akitaka ; et al. | 2002-09-12 |
| Correction of image distortion App 20020122161 - Nishida, Kazuhiro ; et al. | 2002-09-05 |
| Projection lens unit and projector using the same Grant 6,425,667 - Haba , et al. July 30, 2 | 2002-07-30 |
| Optical element suitable for projection display apparatus App 20020080487 - Yajima, Akitaka | 2002-06-27 |
| Optical element suitable for projection display apparatus Grant 6,404,550 - Yajima June 11, 2 | 2002-06-11 |
| Polarized light separation device, method of fabricating the same and projection display apparatus using the polarized light separation device Grant 6,394,607 - Hashizume , et al. May 28, 2 | 2002-05-28 |
| A Projector App 20020060779 - FURUHATA, MUTSUYA ; et al. | 2002-05-23 |
| Projection-type display apparatus App 20020057420 - Nakayama, Tadaaki ; et al. | 2002-05-16 |
| Projector Grant 6,315,417 - Yajima , et al. November 13, 2 | 2001-11-13 |
| Projector Grant 6,309,073 - Nakayama , et al. October 30, 2 | 2001-10-30 |
| Liquid crystal device and projector display device having a specific relationship for the F-numbers of the illumination optical system Grant 6,278,500 - Ogawa , et al. August 21, 2 | 2001-08-21 |
| Light-source lamp unit, light-source device and projection-type display apparatus and method of use Grant 6,268,799 - Miyashita , et al. July 31, 2 | 2001-07-31 |
| Light-source lamp unit, light-source device and projection-type display apparatus App 20010005172 - Miyashita, Kiyoshi ; et al. | 2001-06-28 |
| Projection-type display apparatus Grant 6,120,152 - Nakayama , et al. September 19, 2 | 2000-09-19 |
| Polarizing illumination device and projection display device Grant 6,084,714 - Ushiyama , et al. July 4, 2 | 2000-07-04 |
| Replacement lamp for projector Grant D420,455 - Haba , et al. February 8, 2 | 2000-02-08 |
| Optical element, polarization illumination device, and projection display apparatus Grant 5,978,136 - Ogawa , et al. November 2, 1 | 1999-11-02 |
| Projection-type display apparatus Grant 5,865,521 - Hashizume , et al. February 2, 1 | 1999-02-02 |
| Projection-type display apparatus Grant 5,743,610 - Yajima , et al. April 28, 1 | 1998-04-28 |
| Projection-type display apparatus Grant 5,626,409 - Nakayama , et al. May 6, 1 | 1997-05-06 |
| Projection-type color display device having a driving circuit for producing a mirror-like image Grant 5,191,450 - Yajima , et al. March 2, 1 | 1993-03-02 |
| Projection-type color display device with light valves positioned at unequal distances from the light source Grant 4,909,601 - Yajima , et al. March 20, 1 | 1990-03-20 |
| Projection-type color display device Grant 4,850,685 - Kamakura , et al. July 25, 1 | 1989-07-25 |
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