Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6979001 | Wheel bearing and sealing device therefor | Hisashi Ohtsuki, Takayuki Norimatsu, Koji Kametaka, Motoharu Niki, Katsumi Sugiyama +1 more | 2005-12-27 |
| 6637754 | Wheel bearing and sealing device therefor | Hisashi Ohtsuki, Takayuki Norimatsu, Koji Kametaka, Motoharu Niki, Katsumi Sugiyama | 2003-10-28 |
| 5428289 | Apparatus for detecting the rotating speed of a wheel | Koji Sahashi | 1995-06-27 |