Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8007175 | Hydrodynamic bearing device, and spindle motor and information apparatus equipped with same | Yoshihito Watanabe | 2011-08-30 |
| 7940492 | Hydrodynamic bearing device, spindle motor, and recording and reproducing apparatus | Koji Hirata, Hiroaki Saito, Takao Yoshitsugu | 2011-05-10 |
| 7883270 | Hydrodynamic bearing type rotary device and recording and reproducing apparatus including the same | Takafumi Asada, Hiroaki Saito, Daisuke Ito | 2011-02-08 |
| 7862238 | Hydrodynamic bearing rotary device and information apparatus | Takafumi Asada, Hiroaki Saito, Daisuke Itou, Keigo Kusaka | 2011-01-04 |
| 7830637 | Hydrodynamic bearing device and disk rotation apparatus | Takafumi Asada, Hiroaki Saito, Takao Yoshitsugu, Keigo Kusaka, Daisuke Ito | 2010-11-09 |
| 7674043 | Hydrodynamic bearing rotary device | Takafumi Asada, Hiroaki Saito, Daisuke Itou, Tomoharu Takeda | 2010-03-09 |
| 7604409 | Hydrodynamic bearing member and manufacturing method thereof | Hiroshi Nishiyama, Makoto Hasegawa | 2009-10-20 |
| 7589934 | Hydrodynamic bearing device and disk rotating apparatus | Takafumi Asada, Hiroaki Saito, Takao Yoshitsugu, Keigo Kusaka, Daisuke Ito | 2009-09-15 |
| 7492548 | Hydrodynamic bearing device and disk rotating apparatus | Takafumi Asada, Hiroaki Saito, Takao Yoshitsugu, Keigo Kusaka, Daisuke Ito | 2009-02-17 |
| 7473034 | Hydrodynamic bearing device, motor, and disk driving apparatus | Hiroaki Saito, Takao Yoshitsugu, Koji Hirata | 2009-01-06 |
| 6583531 | Motor with permanent magnet | Yoshinari Asano, Takao Sawahata, Yukio Honda, Takahisa Kurahayashi, Toshiyuki Tamamura | 2003-06-24 |
| 6300703 | Rotor core for reluctance motor | Shinichiro Kawano, Yukio Honda, Hiroshi Sawada, Noriyoshi Nishiyama | 2001-10-09 |
| 6259181 | Rotor core for reluctance motor | Shinichiro Kawano, Yukio Honda, Hiroshi Sawada, Noriyoshi Nishiyama | 2001-07-10 |