Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9599316 | Light source device using monochromatic light to excite stationary phosphor layers | Akihiro Yamada, Tomohiko Sawanaka, Shinji Yagyu, Hiroshi Kida | 2017-03-21 |
| 9467670 | Projection display device | Akihiro Yamada, Tomohiko Sawanaka, Shinji Yagyu, Hiroshi Kida | 2016-10-11 |
| 9310033 | Light source device and projection-type display apparatus | Akihiro Yamada, Takeshi Utakoji, Hiroshi Kida, Tomohiko Sawanaka, Shinji Yagyu | 2016-04-12 |
| 8345190 | Polarization optical system and projection-type liquid-crystal display device | Akihiro Yamada, Akira Daijogo | 2013-01-01 |
| 8162488 | Projection display apparatus | Akihiro Yamada, Akira Daijogo, Motoo Takahashi | 2012-04-24 |
| 7993017 | Projection display apparatus | Akihiro Yamada, Motoo Takahashi, Akira Daijogo, Tomohiro Bessho | 2011-08-09 |
| 7163298 | Lens device and projector having diaphragm mechanisms with substantially trapezoidal apertures | Hiroki Abe, Tomoo Fujimori, Motoo Takahashi | 2007-01-16 |
| 7114814 | Projector having an illuminance detector | Hiroki Abe, Tomoo Fujimori, Motoo Takahashi | 2006-10-03 |
| 7114815 | Lens device and projector having diaphragm mechanisms with apertures having inwardly curved sides | Hiroki Abe, Tomoo Fujimori, Motoo Takahashi | 2006-10-03 |
| 7111946 | Lens device and projector having diaphragm mechanisms with substantially triangular apertures | Hiroki Abe, Tomoo Fujimori, Motoo Takahashi | 2006-09-26 |
| 7111947 | Lens device and projector having diaphragm mechanisms with substantially square apertures | Hiroki Abe, Tomoo Fujimori, Motoo Takahashi | 2006-09-26 |
| 7104655 | Projector having an image signal controller | Hiroki Abe, Tomoo Fujimori, Motoo Takahashi | 2006-09-12 |
| 7021772 | Projection lens device and projector | Hiroki Abe, Tomoo Fujimori, Motoo Takahashi | 2006-04-04 |
| 5864374 | Method and apparatus for image generation | Toshio Ito, Yoshisuke Ohtsuru, Hisao Koizumi, Takio Okuda, Yasuhito Myoi +15 more | 1999-01-26 |