Issued Patents 2023
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11698576 | Projection device having rotation lock mechanism and projection lens having rotation lock mechanism | Hitoshi Shimizu, Yasuyuki Miyata | 2023-07-11 |
| 11669007 | Projection lens and projector | — | 2023-06-06 |
| 11592731 | Projection lens and projection device | Tetsuo Kamigaki, Hitoshi Shimizu, Hironobu Kayano | 2023-02-28 |