Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5617169 | Film detection member for a single-use camera | Tetsufumi Takaba, Masami Fujita, Masaru Yamazaki, Hiroshi Kibayashi, Kazuyoshi Sugano | 1997-04-01 |
| 5284355 | Treadle-type vehicle having a foldable front wheel shaft | — | 1994-02-08 |
| 5146251 | Camera with electronic flash unit | Masao Yokoyama | 1992-09-08 |
| 5028943 | Camera with electronic flash unit | Masao Yokoyama | 1991-07-02 |
| 4601562 | Camera | Saburo Yoneyama, Masami Fujita, Mutsuhito Kichima, Yoshiharu Takahashi, Yoshinobu Sameshima | 1986-07-22 |
| 4378965 | Sprocket wheel for photographic camera | Saburo Yoneyama | 1983-04-05 |
| 4274726 | Automatic film winder for camera | Saburo Yoneyama, Minoru Yamada, Yasutsugu Nakagawa, Masao Kamio | 1981-06-23 |