Issued Patents 2004
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6799893 | Special type bearing device | Kazuo Hokkirigawa | 2004-10-05 |
| 6794774 | Spindle motor | Hiroshi Yoshikawa | 2004-09-21 |
| 6787075 | Method of making synthetic resin composition with lubricative underwater properties containing RBC or CRBC fine powder | Kazuo Hokkirigawa | 2004-09-07 |
| 6777360 | Ceramic material, method of producing same, and formed product thereof | Kazuo Hokkirigawa, Motoharu Akiyama | 2004-08-17 |
| 6734591 | Spindle motor | Hiroshi Yoshikawa | 2004-05-11 |
| 6734590 | Motor | Akio Okamiya | 2004-05-11 |
| 6712517 | Sleeve bearing arrangement | Kazuo Hokkirigawa, Motoharu Akiyama | 2004-03-30 |
| 6683264 | Low profile key switch structure | Masamitsu Osada, Masayuki Yoneyama | 2004-01-27 |