Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7995306 | Shaft, hydrodynamic bearing device, spindle motor, and recording and reproducing apparatus | Akira Ninomiya, Takahiro Kishi | 2011-08-09 |
| 7862237 | Hydrodynamic bearing and spindle motor and information recording and reproducing apparatus equipped with the same | — | 2011-01-04 |