Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6771460 | Spindle motor and magnetic disc device using thereof having radial and thrust bearings | Katsutoshi Nii, Masaru Muranishi, Shozo Saegusa, Tsuyoshi Takahashi, Kenji Tomida +5 more | 2004-08-03 |
| 6680814 | Spindle motor and magnetic disc device with hydrodynamic bearings | Katsutoshi Nii, Masaru Muranishi, Shozo Saegusa, Tsuyoshi Takahashi, Kenji Tomida +5 more | 2004-01-20 |
| 6469866 | Spindle motor and magnetic disc device with hydrodynamic bearing | Katsutoshi Nii, Masaru Muranishi, Shozo Saegusa, Tsuyoshi Takahashi, Kenji Tomida +5 more | 2002-10-22 |