Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12313960 | Mounting member and projection optical apparatus | Takahiro Takizawa, Hirofumi Okubo, Takeshi Hirai | 2025-05-27 |
| 12072615 | Projection optical apparatus that is removable installed in a light emitting apparatus and projector | Hirofumi Okubo, Kosho Kamijo | 2024-08-27 |
| 11921407 | Fixing device, projection optical device, and projector | Hirofumi Okubo, Kosho Kamijo | 2024-03-05 |
| 11846868 | Projection apparatus with heat dissipation | Nobuyuki Otsuki, Takanori Fukuyama | 2023-12-19 |
| 10656505 | Optical projection device and projector | — | 2020-05-19 |
| 10571784 | Projection optical device and projector | Takuya Hatano | 2020-02-25 |
| 10564529 | Projection lens and projector | — | 2020-02-18 |
| 10503057 | Projection lens and projector | Koji SHIOKAWA, Takateru Mori | 2019-12-10 |
| 10180560 | Optical projection device and projector that corrects the inclination of the movable lens frame with respect to the optical axis | Takuya Hatano | 2019-01-15 |
| 10146109 | Projection system and projector | — | 2018-12-04 |
| 9885943 | Projection lens and projector | Nobutaka Minefuji | 2018-02-06 |
| 9690176 | Projection optical apparatus and projector | — | 2017-06-27 |
| 9667927 | Projector | — | 2017-05-30 |
| 9354420 | Lens barrel and projector | — | 2016-05-31 |
| 8974063 | Exhaust port shutter apparatus and projector | — | 2015-03-10 |
| 8641199 | Projector | — | 2014-02-04 |