Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5448408 | Projection lens system | Takayoshi Togino | 1995-09-05 |
| 5260832 | Projection lens system | Takayoshi Togino | 1993-11-09 |
| 5170207 | Projection lens system | Keiichi Kuba | 1992-12-08 |