Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4348084 | Tele-photographic lens of large aperture ratio | Kazuo Fujibayashi | 1982-09-07 |
| 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 |