Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5224782 | Hydrodynamic bearing | Manabu Toshimitsu, Kazuyuki Kasahara, Yoshikazu Suganuma, Yumiko Noda | 1993-07-06 |
| 5142173 | Bearing structure | Daisuke Konno, Shunichi Aiyoshizawa, Kazuyuki Kasahara, Yoshio Sato, Kazuto Hirokawa +1 more | 1992-08-25 |
| 5089732 | Spindle motor | Daisuke Konno, Shunichi Aiyoshizawa, Kazuyuki Kasahara, 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 |
| 4755491 | Manufacturing method for an aluminum nitride sintered body | — | 1988-07-05 |