Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10143120 | Component mounter | Takaki Fukami | 2018-11-27 |
| 7947635 | Hydrodynamic bearing device and spindle motor using the same | Katsushi Hirata, Takanori Shiraishi | 2011-05-24 |
| 7781383 | Lubricant for fluid dynamic bearing, spindle motor equipped therewith and magnetic disk unit | Takanori Shiraishi, Katsushi Hirata | 2010-08-24 |
| 7776802 | Hydrodynamic bearing device, and spindle motor and information device using the same | Katsushi Hirata, Takanori Shiraishi | 2010-08-17 |
| 7737095 | Hydrodynamic bearing device, and spindle motor and information device using the same | Takanori Shiraishi, Katsushi Hirata | 2010-06-15 |
| 7726881 | Hydrodynamic bearing device | Tsutomu Hamada, Takafumi Asada | 2010-06-01 |
| 7513689 | Hydrodynamic bearing device | Tsutomu Hamada, Takafumi Asada | 2009-04-07 |
| 7495863 | Hydrodynamic bearing device, and spindle motor and information device using the same | Katsushi Hirata, Takanori Shiraishi | 2009-02-24 |
| 7186028 | Hydrodynamic bearing device | Takafumi Asada, Tsutomu Hamada, Yasunori Tokunou | 2007-03-06 |
| 7014366 | Fluid dynamic bearing and magnetic disk apparatus | — | 2006-03-21 |
| 6760187 | Hydrodynamic bearing and disk apparatus | Takafumi Asada, Hiroaki Saito | 2004-07-06 |
| 5022492 | Fluid-bearing apparatus | Takao Yoshitugu, Chuuryoh Yoshida, Hideo Matsumoto | 1991-06-11 |
| 4573807 | Fluid bearing device | Takafumi Asada, Churyo Yoshida, Minoru Koda | 1986-03-04 |
| 4512642 | Automatic focusing apparatus in optical drawing machine | Tokuhisa Ito, Izumi Kurata, Takashi Okuyama | 1985-04-23 |