Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8013487 | Hydrodynamic bearing device, and spindle motor and information apparatus equipped with same | Koji Hirata, Keigo Kusaka, Takao Yoshitsugu, Yoshihito Watanabe | 2011-09-06 |