Issued Patents 2011
Showing 1–2 of 2 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, Hisaaki Yano | 2011-09-06 |
| 8007175 | Hydrodynamic bearing device, and spindle motor and information apparatus equipped with same | Hiroyuki Kiriyama | 2011-08-30 |