Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6530693 | Cylindrical roller bearing | Takashi Yamamoto | 2003-03-11 |
| 6185239 | Semiconductor laser device | Shoji Hirata, Atsushi Ogasawara | 2001-02-06 |
| 5890815 | Roller bearing | Yoshio Shoda, Tetsu Takehara, Katsuhiro Konno | 1999-04-06 |
| 5399027 | Rolling bearing for a high speed rotation | Yoshio Shoda | 1995-03-21 |