Issued Patents All Time
Showing 51–54 of 54 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4275953 | Exposure parameter information generating circuit in a single lens reflex camera | Sakuji Watanabe, Yoshiaki Ohtsubo | 1981-06-30 |
| 4236804 | Lens information introducing device having corrected extraneous light | Jun Shimomura | 1980-12-02 |
| 4204755 | Display device in an automatic exposure control camera | Yoshitaka Araki, Sakuji Watanabe | 1980-05-27 |
| 4196989 | TTL Metering system automatic exposure control camera | Sakuji Watanabe, Yoshitaka Araki | 1980-04-08 |