Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12405522 | Light source device and projector | Sota HIRAHARA | 2025-09-02 |
| 10031405 | Light source device and projector with reducing optical system having adjustable position for positive power lens | — | 2018-07-24 |
| 9606428 | Illuminating optical device, projector and method of controlling an illuminating optical device | — | 2017-03-28 |
| 9509966 | Projector in illumination optical system including phosphor wheel driver | Hiroyuki Saitou, Atsushi Katou, Motoyasu Utsunomiya, Akihiro Osaka | 2016-11-29 |
| 9407886 | Illumination optical system and projector including fluorophore | — | 2016-08-02 |
| 9249949 | Lighting device and projection-type display device using the same including a color-combining prism | — | 2016-02-02 |
| 9229306 | Illumination optical system and projector including fluorophore | — | 2016-01-05 |
| 9046750 | Projector light source apparatus having collimator disposed between excitation light source and phosphor element | — | 2015-06-02 |
| 9022580 | Illumination optical system and projector using the same | Hiroyuki Saitou, Atsushi Katou, Motoyasu Utsunomiya, Akihiro Osaka | 2015-05-05 |
| 8985775 | Illumination optical system and projector including fluorophore | — | 2015-03-24 |
| 8955985 | Lighting device and projection-type display device using same | Hiroyuki Saitou | 2015-02-17 |
| 8936368 | Illumination optical system and projector using the same | Hiroyuki Saitou, Atsushi Katou, Motoyasu Utsunomiya, Akihiro Osaka | 2015-01-20 |
| 8485669 | Projector and illumination apparatus for same | Atsushi Katou, Motoyasu Utsunomiya, Akihiro Osaka, Hiroyuki Saitou | 2013-07-16 |
| 7717573 | Projection display apparatus | Eiki Matsuo | 2010-05-18 |
| 7341357 | Projection display apparatus | Kunitaka Furuichi | 2008-03-11 |