Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7992462 | Resin double-helical gear | — | 2011-08-09 |
| 7921745 | Resin gear | — | 2011-04-12 |
| 7406892 | Plastic molded gear, and intermittent rotation transmission device and gear train using same | Yoichi Takeuchi, Toru Hagihara | 2008-08-05 |
| 7093702 | Electrically opening and closing mechanism | — | 2006-08-22 |