Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5136313 | Film initial-advance apparatus for camera | Katsuji Muramatsu, Yasuhiko Tanaka, Hiroshi Nakamura | 1992-08-04 |
| 5099264 | Film initial-advance apparatus for camera | Katsuji Muramatsu, Yasuhiko Tanaka, Hiroshi Nakamura | 1992-03-24 |