Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5687027 | Zoom lens for optical apparatus such as camera | — | 1997-11-11 |
| 5630770 | Toothed belt | Toru Fujiwara, Tatsuo Arai | 1997-05-20 |
| 5599246 | Toothed belt | Toru Fujiwara, Masato Tomobuchi | 1997-02-04 |