Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7012760 | Lens barrel | Teruaki Matsushima | 2006-03-14 |
| 6915063 | Rod integrator manufacturing method and rod integrator | Satoru Kawaai | 2005-07-05 |
| 4810086 | Portable microfilm reader | Hajime Tachibana, Eichi Saito, Hiroshi Fukuda, Tetsuo Udagawa, Shigeru Kojima | 1989-03-07 |
| 4810087 | Portable microfilm reader | Hajime Tachibana, Eichi Saito, Hiroshi Fukuda, Tetsuo Udagawa, Shigeru Kojima | 1989-03-07 |