Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5357162 | Spindle motor using dynamic pressure bearings | Shunichi Aiyoshizawa, Kazuto Hirokawa, Tohru Maruyama | 1994-10-18 |
| 5224782 | Hydrodynamic bearing | Sachihiko Miwa, Manabu Toshimitsu, Yoshikazu Suganuma, Yumiko Noda | 1993-07-06 |
| 5223758 | Spindle motor | Takashi Kataoka, Yuji Shirao, Daisuke Konno, Yoshio Sato, Yoichi Kanemitsu +2 more | 1993-06-29 |
| 5142173 | Bearing structure | Daisuke Konno, Sachihiko Miwa, Shunichi Aiyoshizawa, Yoshio Sato, Kazuto Hirokawa +1 more | 1992-08-25 |
| 5089732 | Spindle motor | Daisuke Konno, Sachihiko Miwa, Shunichi Aiyoshizawa, Yoshio Sato, Kazuto Hirokawa | 1992-02-18 |
| 4998033 | Gas dynamic bearing for spindle motor | Yasushi Hisabe, Noriyuki Osada, Toshihiro Ohtani, Masahiko Kishi, Yoshio Sato +6 more | 1991-03-05 |
| 4575264 | Thrust bearing | Shotaro Mizobuchi, Katsumi Sasaki, Yoshikazu Kimura | 1986-03-11 |