Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9091338 | Free-form surface gear | Mitsushige O-Oka, Yoshiki Kawasaki | 2015-07-28 |
| 8196488 | Gear | Mitsushige O-Oka, Yoshiki Kawasaki | 2012-06-12 |
| 7337647 | Gear and method and device for manufacturing the gear | Junichi Ooka | 2008-03-04 |
| 6761621 | Gear and method of manufacturing gear | — | 2004-07-13 |
| 6432017 | Sprocket with dog gear | — | 2002-08-13 |