Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12411323 | Optical system having intermediate image formed therein | — | 2025-09-09 |
| 11720007 | Projection optical system and projector apparatus | — | 2023-08-08 |
| 10884326 | Projection optical system and projector | Masashi Yoshida | 2021-01-05 |
| 10761415 | Projection optical system and projector apparatus | — | 2020-09-01 |
| 10754120 | Projection lens barrel and projection display device | Takafumi HANAOKA, Takuya Fujimatsu | 2020-08-25 |
| 10754239 | Projection optical assembly and projector device | — | 2020-08-25 |
| 10645353 | Projection optical system and projector | — | 2020-05-05 |
| 10375363 | Projection optical system and projector | — | 2019-08-06 |
| 10310366 | Projection optical assembly and projector device | — | 2019-06-04 |
| 10222576 | Projection lens barrel and projection display device | Takafumi HANAOKA, Takuya Fujimatsu | 2019-03-05 |
| 10063819 | Projection optical system and projector | — | 2018-08-28 |
| 9785043 | Projection optical system and projector apparatus | — | 2017-10-10 |
| 9372388 | Projection optical assembly with multiple refractive optical systems and related projector device | — | 2016-06-21 |
| 8437093 | Projection lens system and projector apparatus | — | 2013-05-07 |