Issued Patents 1989
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855781 | Camera with battery check circuit | — | 1989-08-08 |
| 4841323 | Automatic focusing method and camera provided with automatic focusing apparatus | Minoru Yamada, Eiji Ito, Kenji Miyama, Masataka Sawamura, Masamori Makino | 1989-06-20 |
| 4839677 | Focal length switching type camera | Masamori Makino | 1989-06-13 |
| 4823157 | Camera with automatic focusing apparatus | Masataka Sawamura | 1989-04-18 |
| 4821059 | Electric camera | Kazuhiro Nakanishi | 1989-04-11 |