Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4364649 | Film winding and lens control mechanism for automatically focusing camera | Toshiharu Mamiya, Tateo Yamada, Michio Hirohata, Hiroyuki Kimura | 1982-12-21 |
| 4324471 | Electromagnetic drive device for camera | Michio Hirohata | 1982-04-13 |
| 4322145 | Shutter device for camera | Tateo Yamada, Isao Harigaya, Michio Hirohata | 1982-03-30 |