Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6893372 | Roller bearing, transmission using the same and differential gear | Hiroki Matsuyama, Akiyuki Suzuki | 2005-05-17 |
| 6817768 | Roller bearing | Hiroki Matsuyama, Akiyuki Suzuki | 2004-11-16 |
| 6789949 | Roller bearing having streaked grinding trail on roller end face | Akiyuki Suzuki, Hiroki Matsuyama | 2004-09-14 |