Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9851631 | Light source optical system and projection display apparatus employing the same | Kazuhiro Inoko | 2017-12-26 |
| 9638992 | Illumination optical system and image projection apparatus | — | 2017-05-02 |