Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6119347 | Method for manufacturing balls for bearing and products thereby | Kiyoshi Hirakawa, Akira Suzuki, Katsunori Yanase, Minoru Kohari, Eiichi Takahashi +1 more | 2000-09-19 |
| 5640769 | Method for producing a cage of the ball bearing | Akira Suzuki, Magozou Hamamoto, Kazuo Akagami, Michiharu Naka, Masahiro Takahashi +4 more | 1997-06-24 |
| 5603576 | Method for manufacturing balls for bearing and products thereby | Kiyoshi Hirakawa, Akira Suzuki, Katsunori Yanase, Minoru Kohari, Eiichi Takahashi +1 more | 1997-02-18 |
| 5401105 | Ball bearing and method for producing a cage of the ball bearing | Akira Suzuki, Magozou Hamamoto, Kazuo Akagami, Michiharu Naka, Masahiro Takahashi +4 more | 1995-03-28 |