Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7654742 | Hydrodynamic bearing device, motor, recording disc driving apparatus and assembly jig | Naoshi Kainoh, Tsuyoshi Matsumoto | 2010-02-02 |
| 7435001 | Hydrodynamic bearing device, method for manufacturing the same, spindle motor and recording and reproduction apparatus | Naoshi Kainoh, Akihito Shirai, Shigeo Obata, Junichi Nakamura, Tomohiro Haga | 2008-10-14 |