Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5532080 | Cylindrical type dry battery and battery chamber | Shuri Mizoguchi, Ken Ishida, Kiyoaki Hazama, Koujiro Yoshida | 1996-07-02 |
| 5329330 | Film unit with a photographic lens | Zeniti Sakai, Takao Tsuda, Hiroshi Kibayashi | 1994-07-12 |
| 5223871 | Camera unit | Masaru Iwagaki, Atsuo Ezaki | 1993-06-29 |