Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5003331 | Film winding system of camera | Takahisa Shimada, Hideo Kajita, Sueyoshi Okumura, Reiji Seki, Toshihiko Ishimura | 1991-03-26 |
| 4949109 | Film winding system of camera | Takahisa Shimada, Hideo Kajita, Sueyoshi Okumura, Reiji Seki, Toshihiko Ishimura | 1990-08-14 |
| 4945370 | Film rewinding system of camera | Takahisa Shimada, Hideo Kajita, Sueyoshi Okumura, Reiji Seki, Toshihiko Ishimura | 1990-07-31 |