Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5796490 | Document reader system | Shinichi Shidara, Yutaka Takahashi, Hajime Tachibana, Ushio Anayama, Noriyasu Ishiwata | 1998-08-18 |
| 5767946 | Microfilm camera with marking device | Hiroyuki Okabayashi, Mutsumi Ashizawa, Ushio Anayama, Shinichi Shidara, Hajime Tachibana | 1998-06-16 |
| 5751402 | Microfilm cassette and microfilm camera | Hiroyuki Okabayashi, Mutsumi Ashizawa, Shinichi Shidara, Hajime Tachibana | 1998-05-12 |
| 4864359 | Scanning exposure device | Teiichi Yamasaki | 1989-09-05 |
| 4591239 | Optical lens holder | — | 1986-05-27 |