SAKAI; Kohji

Patent Applications and Registrations

Patent applications and USPTO patent grants for SAKAI; Kohji.The latest application filed is for "apparatus configured to model three-dimensional modeled object, apparatus configured to fly particles, and method of modeling three-dimensional modeled object".

Company Profile

20.105.100

SAKAI; Kohji - Tokyo JP
Sakai; Kohji - Osaka JP
Sakai; Kohji - Osaka-shi JP
Sakai; Kohji - Kashiba JP
Sakai; Kohji - Kanagawa JP
Sakai; Kohji - Kashiba-shi 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
Apparatus Configured To Model Three-dimensional Modeled Object, Apparatus Configured To Fly Particles, And Method Of Modeling Three-dimensional Modeled Object App 20210339469 - FUJITA; Takashi ; et al.	2021-11-04
Object detector, sensing device, and mobile object apparatus Grant 11,150,345 - Sakai , et al. October 19, 2	2021-10-19
Irradiation Optical System, Light Irradiation Device, And Three-dimensional Fabricating Apparatus App 20210041677 - NAKAYAMA; Hirotoshi ; et al.	2021-02-11
Apparatus Configured To Fly Light-absorbing Material, Apparatus Configured To Model Three-dimensional Modeled Object, And Method Of Flying Light-absorbing Material App 20200379251 - SUHARA; Hiroyuki ; et al.	2020-12-03
Semiconductor laser, light source device, image forming apparatus, image display device, object device, and colored-light generation method Grant 10,700,491 - Sakai , et al.	2020-06-30
Object detector and sensor Grant 10,591,602 - Akatsu , et al.	2020-03-17
Microlens array, image display apparatus, object apparatus, and mold Grant 10,534,112 - Sakai , et al. Ja	2020-01-14
Object Detector And Sensor App 20190242997 - AKATSU; Kazuhiro ; et al.	2019-08-08
Object detecting apparatus Grant 10,371,817 - Sakai , et al.	2019-08-06
Object detector and sensor Grant 10,302,767 - Akatsu , et al.	2019-05-28
Light-source device, image display apparatus, and object apparatus Grant 10,302,942 - Sakai	2019-05-28
Microlens Array, Image Display Apparatus, Object Apparatus, And Mold App 20190121002 - SAKAI; Kohji ; et al.	2019-04-25
Semiconductor Laser, Light Source Device, Image Forming Apparatus, Image Display Device, Object Device, And Colored-light Generation Method App 20190097396 - SAKAI; Kohji ; et al.	2019-03-28
Object Detector, Sensing Device, And Mobile Object Apparatus App 20190056496 - SAKAI; Kohji ; et al.	2019-02-21
Wavelength estimation device, light-source device, image display apparatus, object apparatus, wavelength estimation method, and light-source control method Grant 10,209,133 - Sakai , et al. Feb	2019-02-19
Microlens array, image display apparatus, object apparatus, and mold Grant 10,203,431 - Sakai , et al. Feb	2019-02-12
Semiconductor laser driving apparatus, optical scanning apparatus, object detection apparatus, and mobile apparatus Grant 10,148,064 - Sakai , et al. De	2018-12-04
Range finder, mobile object and range-finding method Grant 10,132,926 - Uehira , et al. November 20, 2	2018-11-20
Light Irradiation Apparatus And Information Rewritable System App 20180290476 - UEHIRA; Masataka ; et al.	2018-10-11
Object Detecting Apparatus App 20180284270 - Sakai; Kohji ; et al.	2018-10-04
Light irradiation apparatus and information rewritable system Grant 10,071,586 - Uehira , et al. September 11, 2	2018-09-11
Object detecting apparatus Grant 10,031,228 - Sakai , et al. July 24, 2	2018-07-24
Object detector and sensing apparatus Grant 9,981,604 - Sakai May 29, 2	2018-05-29
Microlens Array, Image Display Apparatus, Object Apparatus, And Mold App 20180088255 - Sakai; Kohji ; et al.	2018-03-29
Optical scanning apparatus and image forming device Grant 9,925,798 - Watanabe , et al. March 27, 2	2018-03-27
Light-source Device, Image Display Apparatus, And Object Apparatus App 20180067308 - SAKAI; Kohji	2018-03-08
Object detection device and sensing apparatus Grant 9,891,432 - Sakai February 13, 2	2018-02-13
Object Detector And Sensor App 20180038959 - AKATSU; Kazuhiro ; et al.	2018-02-08
Optical scanner, object detector, and sensing apparatus Grant 9,846,236 - Imai , et al. December 19, 2	2017-12-19
Object detector and sensor Grant 9,817,123 - Akatsu , et al. November 14, 2	2017-11-14
Wavelength Estimation Device, Light-source Device, Image Display Apparatus, Object Apparatus, Wavelength Estimation Method, And Light-source Control Method App 20170276546 - SAKAI; Kohji ; et al.	2017-09-28
Optical Scanning Apparatus And Image Forming Device App 20170160667 - WATANABE; Naoto ; et al.	2017-06-08
Optical scanning apparatus and image forming device Grant 9,625,711 - Watanabe , et al. April 18, 2	2017-04-18
Object Detector And Sensor App 20170082747 - AKATSU; KAZUHIRO ; et al.	2017-03-23
Object detector and sensor Grant 9,568,605 - Akatsu , et al. February 14, 2	2017-02-14
Optical scanning device, method of adjusting optical scanning device, and image forming apparatus Grant 9,557,563 - Suzuki , et al. January 31, 2	2017-01-31
Light Irradiation Apparatus And Information Rewritable System App 20170001459 - UEHIRA; Masataka ; et al.	2017-01-05
Planar light source device and liquid crystal display device equipped with same Grant 9,448,436 - Sakai September 20, 2	2016-09-20
Semiconductor Laser Driving Apparatus, Optical Scanning Apparatus, Object Detection Apparatus, And Mobile Apparatus App 20160261090 - Sakai; Kohji ; et al.	2016-09-08
Edge-lit surface light source device Grant 9,435,938 - Yamashita , et al. September 6, 2	2016-09-06
Object Detector And Sensing Apparatus App 20160096474 - SAKAI; Kohji	2016-04-07
Optical scanning apparatus, optical writing apparatus, and image forming apparatus Grant RE45,918 - Saisho , et al. March 8, 2	2016-03-08
Optical Scanner, Object Detector, And Sensing Apparatus App 20160061955 - Imai; Shigeaki ; et al.	2016-03-03
Image forming method of exposing the surface of an image carrier with light and image forming apparatus Grant 9,235,154 - Suhara , et al. January 12, 2	2016-01-12
Optical Scanning Device, Method Of Adjusting Optical Scanning Device, And Image Forming Apparatus App 20150346484 - SUZUKI; Mitsuo ; et al.	2015-12-03
Range Finder, Mobile Object And Range-finding Method App 20150268343 - UEHIRA; Masataka ; et al.	2015-09-24
Edge-lit Surface Light Source Device App 20150226911 - Yamashita; Atsushi ; et al.	2015-08-13
Object Detection Device And Sensing Apparatus App 20150204977 - SAKAI; Kohji	2015-07-23
Object Detector And Sensor App 20150160341 - AKATSU; Kazuhiro ; et al.	2015-06-11
Object Detecting Apparatus App 20150124238 - Sakai; Kohji ; et al.	2015-05-07
Image Forming Method And Image Forming Apparatus App 20150042740 - SUHARA; Hiroyuki ; et al.	2015-02-12
Optical scanning device and image forming apparatus Grant 8,922,863 - Tokita , et al. December 30, 2	2014-12-30
Planar Light Source Device And Liquid Crystal Display Device Equipped With Same App 20140368768 - Sakai; Kohji	2014-12-18
Optical scanning device and image forming apparatus Grant 8,913,096 - Sakai December 16, 2	2014-12-16
Optical scanning device and image forming apparatus Grant 8,848,009 - Watanabe , et al. September 30, 2	2014-09-30
Exposure device and image forming apparatus Grant 8,786,658 - Kubo , et al. July 22, 2	2014-07-22
Exposure Device And Image Forming Apparatus App 20130250029 - KUBO; Nobuaki ; et al.	2013-09-26
Optical Scanning Apparatus And Image Forming Device App 20130155166 - WATANABE; Naoto ; et al.	2013-06-20
Light source device and image forming apparatus Grant 8,441,513 - Sakai May 14, 2	2013-05-14
Optical Scanning Device And Image Forming Apparatus App 20130076851 - WATANABE; Naoto ; et al.	2013-03-28
Optical Scanning Device And Image Forming Apparatus App 20130070323 - TOKITA; Toshiaki ; et al.	2013-03-21
Optical scanning apparatus, and image forming apparatus Grant 8,390,908 - Sakai March 5, 2	2013-03-05
Communications device, communications method, and storage medium Grant 8,170,058 - Tanaka , et al. May 1, 2	2012-05-01
Optical scanning device, image forming apparatus, control method, and computer program product Grant 8,169,455 - Sakai , et al. May 1, 2	2012-05-01
Optical Scanning Device And Image Forming Apparatus App 20120050444 - SAKAI; Kohji	2012-03-01
Optical scanning device, optical writing device, and image forming apparatus Grant 8,077,369 - Sakai , et al. December 13, 2	2011-12-13
Optical Scanning Device, Optical Writing Device, And Image Forming Apparatus App 20110228368 - SAKAI; Kohji ; et al.	2011-09-22
Test apparatus and test method Grant 8,020,054 - Sakai September 13, 2	2011-09-13
Optical scanning device, image forming apparatus, and controlling method Grant 8,009,342 - Sakai August 30, 2	2011-08-30
Optical scanning device, optical writing device, and image forming apparatus Grant 7,973,990 - Sakai , et al. July 5, 2	2011-07-05
Optical Scanning Device, Image Forming Apparatus, And Controlling Method App 20110090549 - SAKAI; Kohji	2011-04-21
Light Source Device And Image Forming Apparatus App 20110063594 - SAKAI; Kohji	2011-03-17
Optical scanning apparatus, optical writing apparatus, and image forming apparatus Grant 7,876,486 - Saisho , et al. January 25, 2	2011-01-25
Multi-beam optical scanning device and image forming apparatus Grant 7,843,482 - Ueda , et al. November 30, 2	2010-11-30
Optical Scanning Device, Image Forming Apparatus, Control Method, And Computer Program Product App 20100194843 - Sakai; Kohji ; et al.	2010-08-05
Diffractive-optical element, scanning optical system, optical scanner, and image forming apparatus Grant 7,688,491 - Saisho , et al. March 30, 2	2010-03-30
Optical scanner and image forming apparatus using optical scanner Grant 7,672,032 - Hayashi , et al. March 2, 2	2010-03-02
Test Apparatus And Test Method App 20100042880 - SAKAI; Kohji	2010-02-18
Optical scanning device and image forming apparatus Grant 7,663,657 - Ichii , et al. February 16, 2	2010-02-16
Scanning optical system, optical scanner, and image forming apparatus having a biconvex lens having a change of curvature of the toric surface in the cross section in the sub-scanning direction along the main scanning direction is asymmetric with an optical axis of the lens Grant 7,616,364 - Saisho , et al. November 10, 2	2009-11-10
Communications Device, Communications Method, And Storage Medium App 20090180394 - Tanaka; Kota ; et al.	2009-07-16
Optical scanning device and image forming apparatus Grant 7,554,708 - Sakai , et al. June 30, 2	2009-06-30
Optical scanning apparatus, and image forming apparatus App 20090059333 - Sakai; Kohji	2009-03-05
Optical scanning device and image forming apparatus App 20090002792 - Sakai; Kohji ; et al.	2009-01-01
Optical scanning device and image forming apparatus Grant 7,443,558 - Sakai , et al. October 28, 2	2008-10-28
Optical scanning device and image forming apparatus Grant 7,417,777 - Saisho , et al. August 26, 2	2008-08-26
Optical scanner and image formation apparatus Grant 7,411,712 - Nakajima , et al. August 12, 2	2008-08-12
Optical scanning device with at least one resin lens for controlling a beam waist position shift Grant 7,362,486 - Hayashi , et al. April 22, 2	2008-04-22
Optical Scanner And Image Forming Apparatus Using Optical Scanner App 20080068693 - HAYASHI; Yoshinori ; et al.	2008-03-20
Diffractive-optical Element, Scanning Optical System, Optical Scanner, And Image Forming Apparatus App 20080068689 - SAISHO; Kenichiro ; et al.	2008-03-20
Optical Scanning Device And Image Forming Apparatus App 20080055692 - Saisho; Kenichiroh ; et al.	2008-03-06
Multi-beam optical scanner Grant RE40,109 - Sakai , et al. February 26, 2	2008-02-26
Synchronous detector, optical scanner, and image forming apparatus Grant 7,330,296 - Sakai February 12, 2	2008-02-12
Multi-beam Optical Scanning Device And Image Forming Apparatus App 20080024589 - Ueda; Takeshi ; et al.	2008-01-31
Optical Scanning Device And Image Forming Apparatus App 20080025759 - Ichii; Daisuke ; et al.	2008-01-31
Optical Scanning Device, Optical Writing Device, And Image Forming Apparatus App 20070253048 - SAKAI; Kohji ; et al.	2007-11-01
Optical scanning device and image forming apparatus App 20070211324 - Sakai; Kohji ; et al.	2007-09-13
Optical scanning apparatus, optical writing apparatus, and image forming apparatus App 20070211326 - Saisho; Kenichiroh ; et al.	2007-09-13
Multi-beam optical scanning device and image forming apparatus Grant 7,253,937 - Ueda , et al. August 7, 2	2007-08-07
Scanning optical system, optical scanning device and image forming apparatus Grant 7,215,354 - Sakai , et al. May 8, 2	2007-05-08
Multi-beam optical scanning device and image forming apparatus App 20070091398 - Ueda; Takeshi ; et al.	2007-04-26
Scanning optical system, optical scanner, and image forming apparatus App 20060187294 - Saisho; Kenichiroh ; et al.	2006-08-24
Optical element, optical scanner and image forming apparatus Grant 7,068,407 - Sakai , et al. June 27, 2	2006-06-27
Optical element, optical scanner and image forming apparatus Grant 7,038,822 - Sakai , et al. May 2, 2	2006-05-02
Scanning optical system, optical scanning device, and image forming apparatus Grant 7,034,973 - Sakai April 25, 2	2006-04-25
Optical scanning device in image forming apparatus App 20060077500 - Hayashi; Yoshinori ; et al.	2006-04-13
Optical element, optical scanner and image forming apparatus App 20060077501 - Sakai; Kohji ; et al.	2006-04-13
Multi-beam optical scanning apparatus and image forming apparatus Grant 7,006,120 - Sakai , et al. February 28, 2	2006-02-28
Optical scanner, optical scanning method, scanning image forming optical system, optical scanning lens and image forming apparatus Grant 6,999,208 - Suzuki , et al. February 14, 2	2006-02-14
Optical scanner and image formation apparatus Grant 6,937,371 - Hayashi , et al. August 30, 2	2005-08-30
Multi-beam scanning method, apparatus and multi-beam light source device achieving improved scanning line pitch using large light emitting points interval Grant 6,903,855 - Aoki , et al. June 7, 2	2005-06-07
Optical scanning lens and apparatus capable of effectively generating accurately-pitched light spots, and image forming apparatus using the same Grant 6,856,438 - Takanashi , et al. February 15, 2	2005-02-15
Optical scanner and image formation apparatus App 20040233493 - Hayashi, Yoshinori ; et al.	2004-11-25
Optical scanning apparatus capable of reducing variations in shading and improving light usage Grant 6,806,984 - Sakai , et al. October 19, 2	2004-10-19
Synchronous detector, optical scanner, and image forming apparatus App 20040196507 - Sakai, Kohji	2004-10-07
Multi-beam scanning device, multi-beam scanning method, light source device, and image forming apparatus Grant 6,800,845 - Sakai , et al. October 5, 2	2004-10-05
Optical scanning device, line-image forming optical system therein, imaging adjustment method in the device and image forming apparatus Grant 6,801,351 - Suzuki , et al. October 5, 2	2004-10-05
Optical scanner and image formation apparatus App 20040184127 - Nakajima, Tomohiro ; et al.	2004-09-23
Optical scanning system with unvarying image surface under environmental temperature change Grant 6,781,729 - Suzuki , et al. August 24, 2	2004-08-24
Optical scanner and image formation apparatus Grant 6,771,407 - Hayashi , et al. August 3, 2	2004-08-03
Optical scanning apparatus capable of reducing variations in shading and improving light usage App 20040100674 - Sakai, Kohji ; et al.	2004-05-27
Multi-beam optical scanning apparatus and image forming apparatus App 20040090520 - Sakai, Kohji ; et al.	2004-05-13
Optical scanning apparatus capable of reducing variations in shading and improving light usage Grant 6,704,129 - Sakai , et al. March 9, 2	2004-03-09
Optical element, optical scanner and image forming apparatus App 20030218788 - Sakai, Kohji ; et al.	2003-11-27
Scanning optical system, optical scanning device, and image forming apparatus App 20030214694 - Sakai, Kohji	2003-11-20
Multi-beam scanning device, multi-beam scanning method, light source device, and image forming apparatus App 20030209659 - Sakai, Kohji ; et al.	2003-11-13
Optical scanning lens and apparatus capable of effectively generating accurately-pitched light spots, and image forming apparatus using the same App 20030179429 - Takanashi, Kenichi ; et al.	2003-09-25
Optical scanning device, line-image forming optical system therein, imaging adjustment method in the device and image forming apparatus Grant 6,606,179 - Suzuki , et al. August 12, 2	2003-08-12
Multi-beam optical scanner Grant RE38,195 - Sakai , et al. July 22, 2	2003-07-22
Multi-beam scanning device, multi-beam scanning method, light source device, and image forming apparatus Grant 6,596,985 - Sakai , et al. July 22, 2	2003-07-22
Optical scanning system with unvarying image surface under environmental temperature change App 20030128413 - Suzuki, Seizo ; et al.	2003-07-10
Optical scanner and image formation apparatus App 20030107788 - Hayashi, Yoshinori ; et al.	2003-06-12
Optical scanning device, line-image forming optical system therein, imaging adjustment method in the device and image forming apparatus App 20030072065 - Suzuki, Seizo ; et al.	2003-04-17
Optical scanning device, line-image forming optical system therein,imaging adjustment method in the device and image forming apparatus App 20030063355 - Suzuki, Seizo ; et al.	2003-04-03
Optical scanning device, line-image forming optical system therein, imaging adjustment method in the device and image forming apparatus Grant 6,509,995 - Suzuki , et al. January 21, 2	2003-01-21
Multi-beam scanning method, apparatus and multi-beam light source device achieving improved scanning line pitch using large light emitting points interval App 20020159122 - Aoki, Magane ; et al.	2002-10-31
Scanning and imaging lens, optical scanning device and image forming apparatus Grant 6,448,998 - Suzuki , et al. September 10, 2	2002-09-10
Optical scanner, optical scanning method, scanning image forming optical system, optical scanning lens and image forming apparatus App 20020080428 - Suzuki, Seizo ; et al.	2002-06-27
Optical scanning device and image forming apparatus Grant 6,388,792 - Atsuumi , et al. May 14, 2	2002-05-14
Scanning image forming lens and optical scanning apparatus Grant 6,348,988 - Aoki , et al. February 19, 2	2002-02-19
Optical scanning apparatus and scanning image forming lens Grant 6,347,004 - Suzuki , et al. February 12, 2	2002-02-12
Optical scanning apparatus capable of reducing variations in shading and improving light usage App 20010055140 - Sakai, Kohji ; et al.	2001-12-27
Scanning image forming lens and optical scanning apparatus App 20010053014 - Aoki, Magane ; et al.	2001-12-20
Scanning image forming lens and optical scanning apparatus App 20010048543 - Aoki, Magane ; et al.	2001-12-06
Multi-beam scanning device, multi-beam scanning method, light source device, and image forming apparatus App 20010022343 - Sakai, Kohji ; et al.	2001-09-20
Scanning image forming lens and optical scanning apparatus Grant 6,288,819 - Aoki , et al. September 11, 2	2001-09-11
Optical scanning apparatus Grant 6,256,133 - Suzuki , et al. July 3, 2	2001-07-03
Optical scanning apparatus capable of reducing variations in shading and improving light usage Grant 6,229,638 - Sakai , et al. May 8, 2	2001-05-08
Scanning image forming lens and optical scanning apparatus Grant 6,166,842 - Aoki , et al. December 26, 2	2000-12-26
Multi-beam light source unit Grant 5,999,345 - Nakajima , et al. December 7, 1	1999-12-07
Multi-beam optical scanner Grant 5,831,758 - Sakai , et al. November 3, 1	1998-11-03