Patents per Year
Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5596443 | Polygon mirror rotor and polygon mirror scanner motor having such rotor | Hideo Furukawa, Isami Nitta, Kimio Komata | 1997-01-21 |
| 5471104 | Drum motor for VCR | Manabu Toshimitsu, Shunichi Aiyoshizawa, Yoshikazu Suganuma | 1995-11-28 |
| 5358339 | Hydrodynamic fluid bearing with liquid-radial bearing and gas-thrust bearing | Yumiko Noda | 1994-10-25 |
| 5223758 | Spindle motor | Takashi Kataoka, Yuji Shirao, Yoshio Sato, Yoichi Kanemitsu, Hideo Tsuboi +2 more | 1993-06-29 |
| 5142173 | Bearing structure | Sachihiko Miwa, Shunichi Aiyoshizawa, Kazuyuki Kasahara, Yoshio Sato, Kazuto Hirokawa +1 more | 1992-08-25 |
| 5089732 | Spindle motor | Sachihiko Miwa, 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 |