Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4281837 | Water tight seal structure for camera | — | 1981-08-04 |
| 4272171 | Single-lens reflex camera | Tamotsu Koiwai, Isao Kondo, Toyohiko Kimura | 1981-06-09 |
| 4232956 | Data recordable camera | Tamotsu Koiwai | 1980-11-11 |