Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4572638 | Intermediate accessory for a camera | Masaaki Nakai, Toshihiko Ishimura | 1986-02-25 |
| 4548488 | Conversion lens assembly for an automatic focusing system in a lens exchangeable camera | Makoto Ando | 1985-10-22 |