Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4975733 | Rotary camera | Hirohumi Kumagaya, Yoshikazu Konaya, Morio Ishiwatari | 1990-12-04 |
| 4910546 | Film processing device | Osamu Nonaka, Hiroshi Matsuoka, Mutsumi Ashizawa, Akinobu Agatsuma | 1990-03-20 |