Issued Patents All Time
Showing 1–25 of 244 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12298596 | Optical system and projector | Yasuyuki Kiyama, Koji SHIOKAWA, Yuta Ito | 2025-05-13 |
| 12235465 | Projection system and projector | Nobutaka Minefuji, Koji SHIOKAWA | 2025-02-25 |
| 12117670 | Imaging lens | — | 2024-10-15 |
| 12078918 | Projector having light modulation device and reflection member | Nobuyuki Otsuki, Takanori Fukuyama | 2024-09-03 |
| 12007678 | Projection system and projector with first optical system and second optical system | Yasuyuki Kiyama, Nobutaka Minefuji, Koji SHIOKAWA | 2024-06-11 |
| 11994747 | Imaging lens with positive-negative-negative-positive refractive power lenses on object side | — | 2024-05-28 |
| 11899187 | Imaging lens | — | 2024-02-13 |
| 11867976 | Imaging lens | — | 2024-01-09 |
| 11829007 | Imaging lens | — | 2023-11-28 |
| 11829006 | Imaging lens | Yoji Kubota, Kenichi Kubota, Tomohiro Yonezawa | 2023-11-28 |
| 11822151 | Imaging lens | Yoji Kubota, Kenichi Kubota, Tomohiro Yonezawa | 2023-11-21 |
| 11774713 | Imaging lens | — | 2023-10-03 |
| 11754812 | Imaging lens | — | 2023-09-12 |
| 11754808 | Imaging lens | — | 2023-09-12 |
| 11754806 | Imaging lens | — | 2023-09-12 |
| 11754815 | Imaging lens | — | 2023-09-12 |
| 11747596 | Imaging lens | — | 2023-09-05 |
| 11740435 | Imaging lens | — | 2023-08-29 |
| 11740433 | Imaging lens | Yoji Kubota, Kenichi Kubota, Hisao Fukaya | 2023-08-29 |
| 11668904 | Imaging lens | Yoji Kubota, Kenichi Kubota, Tomohiro Yonezawa | 2023-06-06 |
| 11668903 | Imaging lens | Yoji Kubota, Kenichi Kubota, Tomohiro Yonezawa | 2023-06-06 |
| 11644640 | Imaging lens | Yoji Kubota, Kenichi Kubota, Hisao Fukaya | 2023-05-09 |
| 11619803 | Imaging lens | — | 2023-04-04 |
| 11604336 | Imaging lens | — | 2023-03-14 |
| 11592649 | Imaging lens | — | 2023-02-28 |