Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5376983 | Lens barrel | Yasuo Yamazaki, Shigeo Hayashi | 1994-12-27 |
| RE32177 | Single lens reflex camera | Akihiko Hashimoto, Tamotsu Koiwai | 1986-06-10 |
| 4306791 | Single lens reflex camera | Akihiko Hashimoto, Tamotsu Koiwai | 1981-12-22 |
| 4294527 | Motor driven camera | Akihiko Hashimoto, Yukio Nakajima, Tamotsu Koiwai | 1981-10-13 |
| 4272171 | Single-lens reflex camera | Akihiko Hashimoto, Tamotsu Koiwai, Isao Kondo | 1981-06-09 |