Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5278610 | Rotary camera having data recording device | Morio Ishiwatari, Youichi Yamato, Shinichi Shidara | 1994-01-11 |
| 4975733 | Rotary camera | Hirohumi Kumagaya, Morio Ishiwatari, Tatsuya Emoto | 1990-12-04 |
| 4909622 | Microfilm retrieval device | — | 1990-03-20 |
| 4511098 | Film storage device | — | 1985-04-16 |