| 7921547 |
Method of magnetizing permanent magnet for a motor |
Shinji Kinoshita, Hiromitsu Gotoh |
2011-04-12 |
| 7796357 |
Information recording and playback apparatus and method of manufacturing the same |
Shinji Kinoshita, Hiromitsu Gotoh |
2010-09-14 |
| 7307364 |
Motor and recording medium drive device |
Shinji Kinoshita |
2007-12-11 |
| 6598288 |
Armature of motor, manufacturing method of the same and motor using the same and motor having the same |
— |
2003-07-29 |
| 6371649 |
Method for lubricating a fluid dynamic pressure bearing |
Naoki Kawawada, Tadao Iwaki, Atsushi Ota, Koji Nitadori, Toshiharu Kogure +4 more |
2002-04-16 |
| 6371650 |
Hydraulic dynamic bearing and spindle motor and rotary assembly provided |
Hiromitsu Goto, Yukihiro Nakayama, Ryouji Yoneyama, Takafumi Suzuki, Toshiharu Kogure +4 more |
2002-04-16 |
| 6354742 |
Hydraulic dynamic bearing and spindle motor |
Tadao Iwaki, Shigeru Ohki, Naoki Kawawada, Atsushi Ohta, Koji Nitadori +2 more |
2002-03-12 |
| 6307291 |
Hydraulic dynamic bearing and spindle motor and rotary assembly provided |
Tadao Iwaki, Yukihiro Nakayama, Ryouji Yoneyama, Takafumi Suzuki, Toshiharu Kogure +4 more |
2001-10-23 |
| 6247848 |
Hydraulic dynamic bearing and spindle motor utilizing hydraulic dynamic bearing |
Tadao Iwaki, Shigeru Ohki, Naoki Kawawada, Atsushi Ohta, Koji Nitadori +2 more |
2001-06-19 |
| 6176618 |
Dynamic pressure bearing, spindle motor using dynamic pressure bearing, and rotary device having the spindle motor as driving source |
Naoki Kawawada |
2001-01-23 |
| 6163952 |
Method of manufacturing armature of motor using hoop member |
— |
2000-12-26 |
| 6040648 |
Spindle motor and rotator device |
Naoki Kawawada, Hiroaki Namiki, Tadao Iwaki, Takashi Ishida, Shinichi Hayashizaki +2 more |
2000-03-21 |
| 6036368 |
Dynamic pressure bearing device |
Tomohiko Hayashi |
2000-03-14 |
| 5821647 |
Spindle motor |
Hirotada Shimaguchi, Masashi Ogawa |
1998-10-13 |
| 5804896 |
High speed spindle motor and apparatus equipped with high speed spindle motor |
Masashi Ogawa, Hirotada Shimaguchi |
1998-09-08 |
| 5394045 |
Brushless motor |
— |
1995-02-28 |
| 5391954 |
Direct current motor |
Masaya Kawamura |
1995-02-21 |
| 5374867 |
Coreless motor |
— |
1994-12-20 |
| 5270602 |
Corless motor |
— |
1993-12-14 |
| 4847526 |
Variant-pole electric motor |
Akira Yamamura, Tsutomu Osawa, Shigaru Oki |
1989-07-11 |
| 4496887 |
Direct-current brushless motor |
Noboru Ichihara |
1985-01-29 |