Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6959493 | Brake rotor and wheel bearing assembly having maximum acceptable runout variation | Eiji Tajima, Shigeaki Fukushima, Akira Torii, Kazuhiro Azuma, Hisashi Ohtsuki +3 more | 2005-11-01 |
| 6626580 | Wheel bearing assembly | Eiji Tajima, Kazuhiro Azuma | 2003-09-30 |
| 6575637 | Brake rotor and wheel bearing assembly | Eiji Tajima, Shigeaki Fukushima, Akira Torii, Kazuhiro Azuma, Hisashi Ohtsuki +3 more | 2003-06-10 |