Issued Patents 2016
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9261758 | Projection optical system and projection-type image display apparatus | — | 2016-02-16 |
| 9261765 | Light converging optical system and projection-type image display apparatus | Masashige Suwa, Kuniko Kojima | 2016-02-16 |