Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5705431 | Production method for insulated semiconductor device | — | 1998-01-06 |
| 5668669 | Compact wide-angle objective lens | Motoyuki Ohtake | 1997-09-16 |
| 5528428 | Compact wide-angle objective lens | Motoyuki Ohtake | 1996-06-18 |