Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6612748 | Ball bearing | Masayuki Funatsu, Shinji Abe | 2003-09-02 |
| 6217221 | Rolling bearing and rolling bearing device | Shinji Abe | 2001-04-17 |
| 5733120 | Dental handpiece capable of stable supporting turbine | Atsushi Yao | 1998-03-31 |