Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12313960 | Mounting member and projection optical apparatus | Takahiro Takizawa, Naoto Takehana, Takeshi Hirai | 2025-05-27 |
| 12302937 | Solid objects feeder and apparatus for manufacturing food product with solid objects feeder | Masaki Hosoya | 2025-05-20 |
| 12072615 | Projection optical apparatus that is removable installed in a light emitting apparatus and projector | Naoto Takehana, Kosho Kamijo | 2024-08-27 |
| 11921407 | Fixing device, projection optical device, and projector | Naoto Takehana, Kosho Kamijo | 2024-03-05 |
| 11415868 | Projection optical apparatus having reinforcing member and projector | — | 2022-08-16 |
| 11019313 | Projection optical apparatus and projector | — | 2021-05-25 |
| 10942327 | Centering mechanism, lens unit, projection system, and projector | — | 2021-03-09 |
| 9933695 | Position detection device, optical device, light source device, and projector | Kazunori Maeta, Akira Nemura | 2018-04-03 |
| 8448950 | Split mechanical seal | Tetsuya Sato | 2013-05-28 |