Issued Patents All Time
Showing 51–54 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4341953 | Focus detecting system | Shinji Sakai, Nobuhiko Shinoda, Takao Kinoshita, Takashi Kawabata, Kazuya Hosoe +1 more | 1982-07-27 |
| 4310231 | Close-up copy photography apparatus | Yuichiro Konishi, Akiyasu Sumi | 1982-01-12 |
| 4241983 | Telephoto lens | — | 1980-12-30 |
| 4206976 | Compact telephoto lens | — | 1980-06-10 |