Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5765065 | Single-use camera with reduced winding noise | Koujiro Yoshida, Shuri Mizoguchi, Masayoshi Era, Ken Ishida, Hiroshi Kibayashi | 1998-06-09 |
| 5557356 | Lens-fitted photographic film unit | Ken Ishida | 1996-09-17 |
| 4217043 | Camera having an automatic focus control apparatus | Haruhiko Momose, Masashi Yamada | 1980-08-12 |