Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7073630 | Fluid injection apparatus for fluid dynamic pressure bearing | Tetsuya Nagata | 2006-07-11 |
| 6575633 | Hydraulic bearing motor | Hiromitsu Goto, Shinji Kinoshita, Toru Kumagai, Yukihiro Nakayama, Chihiro Tazawa +1 more | 2003-06-10 |
| 6552456 | Hydraulic dynamic pressure bearing motor | Hiromitsu Goto, Shinji Kinoshita, Toru Kumagai, Yukihiro Nakayama, Chihiro Tazawa +1 more | 2003-04-22 |
| 6246139 | Spindle motor and method of formation | Tadao Iwaki, Hiromitsu Goto, Naoki Kawawada, Takafumi Suzuki | 2001-06-12 |
| 6125862 | Cleaning apparatus | Masayuki Ishikawa, Shin-ichi Niwa | 2000-10-03 |