Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6984919 | Control system for ultrasonic motor | Akihiro Iino, Masao Kasuga | 2006-01-10 |
| 6384503 | Motor | Tadao Iwaki, Naoki Kawawada, Atsushi Ohta | 2002-05-07 |
| 6371650 | Hydraulic dynamic bearing and spindle motor and rotary assembly provided | Hiromitsu Goto, Isamu Takehara, Yukihiro Nakayama, Ryouji Yoneyama, Takafumi Suzuki +4 more | 2002-04-16 |
| 6371649 | Method for lubricating a fluid dynamic pressure bearing | Naoki Kawawada, Tadao Iwaki, Atsushi Ota, Toshiharu Kogure, Hiromitsu Goto +4 more | 2002-04-16 |
| 6354742 | Hydraulic dynamic bearing and spindle motor | Tadao Iwaki, Shigeru Ohki, Naoki Kawawada, Atsushi Ohta, Isamu Takehara +2 more | 2002-03-12 |
| 6307291 | Hydraulic dynamic bearing and spindle motor and rotary assembly provided | Tadao Iwaki, Isamu Takehara, Yukihiro Nakayama, Ryouji Yoneyama, Takafumi Suzuki +4 more | 2001-10-23 |
| 6247848 | Hydraulic dynamic bearing and spindle motor utilizing hydraulic dynamic bearing | Tadao Iwaki, Shigeru Ohki, Naoki Kawawada, Atsushi Ohta, Isamu Takehara +2 more | 2001-06-19 |