Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6623165 | Bearing apparatus of sealing type | Tomoyuki Aizawa | 2003-09-23 |
| 6457870 | Sealed rolling bearing | Tomoyuki Aizawa, Eiichi Kawamura | 2002-10-01 |
| 5640769 | Method for producing a cage of the ball bearing | Akira Suzuki, Jiami Pu, Magozou Hamamoto, Michiharu Naka, Masahiro Takahashi +4 more | 1997-06-24 |
| 5401105 | Ball bearing and method for producing a cage of the ball bearing | Akira Suzuki, Jiami Pu, Magozou Hamamoto, Michiharu Naka, Masahiro Takahashi +4 more | 1995-03-28 |