Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9606425 | Imaging optical system, optical apparatus and image projection apparatus | Kazuhiro Inoko | 2017-03-28 |
| 9523907 | Zoom optical system and image projection apparatus having the same | — | 2016-12-20 |