Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9453832 | Biological sample measurement device | Tadashi Okada | 2016-09-27 |
| 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 |
| 7513688 | Hydrodynamic bearing device and inspection method of amount of working fluid | Yosei Yoshikawa | 2009-04-07 |
| 7478951 | Hydrodynamic bearing device, spindle motor including the same, and recording and reproducing apparatus | — | 2009-01-20 |
| 7371010 | Hydrodynamic bearing device and compact motor including hydrodynamic bearing device | Yosei Yoshikawa | 2008-05-13 |
| 7350975 | Hydrodynamic bearing device and spindle motor | Yosei Yoshikawa | 2008-04-01 |
| 7241050 | Hydrodynamic bearing device | Yosei Yoshikawa, Akira Sakata, Takafumi Asada | 2007-07-10 |
| 7092203 | Method of manufacturing a fluid dynamic bearing applicable to a disk drive that includes welding a cover member to a cylindrical wall of a shaft base | Kiyofumi Inoue, Katsutoshi Hamada | 2006-08-15 |
| 6914358 | Spindle motor and disk drive furnished therewith | Shinya Tokunaga, Hideki Nishimura, Yoshito Oku | 2005-07-05 |
| 6768236 | Spindle motor and disk drive furnished therewith | Shinya Tokunaga | 2004-07-27 |