Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5066967 | Single-lens reflex camera with built-in flash | Masato Yamamoto, Toshimasa Yamanaka, Koji Sato, Akihiro Arai, Masahiro Koinuma | 1991-11-19 |
| 4922280 | Infrared filter cover plate for autofocus camera | Yuji Ogawa | 1990-05-01 |
| 4910542 | Single-lens reflex camera with built-in flash | Masato Yamamoto, Toshimasa Yamanaka, Koji Sato, Akihiro Arai, Masahiro Koinuma | 1990-03-20 |
| 4893140 | Single-lens reflex camera with built-in flash | Masato Yamamoto, Toshimasa Yamanaka, Koji Sato, Akihiro Arai, Masahiro Kionuma | 1990-01-09 |
| D304934 | Image scanner | — | 1989-12-05 |
| D304836 | 35 mm camera | — | 1989-11-28 |