TM

Toshiharu Murai

Ricoh Company: 42 patents #327 of 9,818Top 4%
Overall (All Time): #73,246 of 4,157,543Top 2%
42
Patents All Time

Issued Patents All Time

Showing 1–25 of 42 patents

Patent #TitleCo-InventorsDate
11402737 Light source device and projector including a phosphor and a color-changing section Ikuo Maeda, Kazuhiro Fujita, Tatsuya Takahashi, Takehiro Nishimori 2022-08-02
10627711 Light source device that emits a plurality of color lights including a fluorescent light, and projector using the same Ikuo Maeda, Kazuhiro Fujita, Tatsuya Takahashi, Takehiro Nishimori 2020-04-21
10191361 Light source device including a light source section to adjust brightness and projector using the same Ikuo Maeda, Kazuhiro Fujita, Tatsuya Takahashi, Takehiro Nishimori 2019-01-29
10175567 Light source device including a magnetic or capacitance detecting sensor and an image projection apparatus including the light source device Takehiro Nishimori, Kazuhiro Fujita, Tatsuya Takahashi 2019-01-08
10073333 Light irradiation device, and image display equipped with the same, for emitting light of two or more components by laser light Takehiro Nishimori, Kazuhiro Fujita, Tatsuya Takahashi, Junichi Kitabayashi, Kaoru Itoh +1 more 2018-09-11
9880454 Light source device and projector using the same Tatsuya Takahashi, Kazuhiro Fujita, Takehiro Nishimori 2018-01-30
9863759 Illumination apparatus, pattern irradiation device, and system Tatsuya Takahashi, Kazuhiro Fujita, Takehiro Nishimori, Takahiro Kado, Jun Kishiwada 2018-01-09
9746755 Light source device and image projector including the same Takehiro Nishimori, Kazuhiro Fujita, Tatsuya Takahashi, Takahiro Kado 2017-08-29
9726966 Light source device and projector using the same Ikuo Maeda, Kazuhiro Fujita, Tatsuya Takahashi, Takehiro Nishimori 2017-08-08
9594296 Illumination device including a wavelength converter Kazuhiro Fujita, Tatsuya Takahashi, Ikuo Maeda, Takehiro Nishimori 2017-03-14
9557631 Light source unit and image projection apparatus including light source unit Takehiro Nishimori, Kazuhiro Fujita, Ikuo Maeda, Tatsuya Takahashi 2017-01-31
9544554 Light source device, and image projection apparatus employing light source device 2017-01-10
9442352 Light source device including passage forming member and image projecting apparatus having the same Takehiro Nishimori, Kazuhiro Fujita, Tatsuya Takahashi 2016-09-13
9400416 Illumination light source device including a reflecting-transmitting element, projection device including the illumination light source device and method to control the projection device Tatsuya Takahashi, Kazuhiro Fujita, Ikuo Maeda, Takehiro Nishimori 2016-07-26
9348200 Light source unit and projector incorporating the same Tatsuya Takahashi, Kazuhiro Fujita, Takehiro Nishimori, Ikuo Maeda 2016-05-24
9279566 Light deflector, light source device, image projecting device, and display device Takehiro Nishimori, Kazuhiro Fujita, Ikuo Maeda, Tatsuya Takahashi 2016-03-08
9250504 Light source unit and image projection apparatus including light source unit Takehiro Nishimori, Kazuhiro Fujita, Ikuo Maeda, Tatsuya Takahashi 2016-02-02
9223194 Illumination light beam forming device, illumination light source device and image display device Kazuhiro Fujita, Ikuo Maeda, Tatsuya Takahashi, Takehiro Nishimori 2015-12-29
9155161 Light source device and projection device including the light source device 2015-10-06
9131165 Illumination light source system, projector having the same, and method of controlling projector Tatsuya Takahashi, Kazuhiro Fujita, Ikuo Maeda, Takehiro Nishimori 2015-09-08
9121570 Illumination light generation apparatus Takehiro Nishimori, Kazuhiro Fujita, Ikuo Maeda, Tatsuya Takahashi 2015-09-01
9022577 Light source device and projection display apparatus 2015-05-05
8223171 Image processing apparatus and image display apparatus Kenji Namie, Kenji Kameyama, Masaki Ninomiya 2012-07-17
7857458 Image display device and image projection device Kazuhiro Fujita, Atsushi Takaura, Yasuyuki Takiguchi, Toshiaki Tokita, Hiroyuki Sugimoto +2 more 2010-12-28
7787001 Image processing apparatus, image display apparatus, image processing method, and computer product Kenji Namie, Toshiaki Tokita, Yasuyuki Takiguchi, Kazuhiro Fujita, Hiroyuki Sugimoto 2010-08-31