Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8240920 | Fluid dynamic bearing, motor, and recording disk drive apparatus | Yoichi Sekii, Kazuyoshi Saito | 2012-08-14 |
| 8164850 | Fluid dynamic bearing device, spindle motor, and disk drive apparatus including nickel coated bearing housing | Masato Gomyo | 2012-04-24 |
| 7435002 | Bearing unit | Michiaki Takizawa, Toru Nakanishi, Takeshi Kaneko | 2008-10-14 |
| 6805489 | Dynamic pressure bearing device | Yasushi Mizusaki, Tomoko Nogawa | 2004-10-19 |
| 6402385 | Dynamic pressure bearing apparatus | Masamichi Hayakawa, Michiaki Takizawa | 2002-06-11 |
| 6244749 | Dynamic pressure bearing device and method for manufacturing same | Michiaki Takizawa, Masamichi Hayakawa | 2001-06-12 |
| 5980819 | Sintered oil-impregnated bearing, manufacturing method thereof, and motor comprising same | Toru Nakanishi, Michiaki Takizawa, Takehiko Yazawa | 1999-11-09 |
| 5631211 | Lubricating oil composition for use with sintered porous bearings | Michiaki Takizawa, Teruhiko Ohtaki, Katsumi Nagano, Masuhiro Onoyama, Tetsuo Ichimaru | 1997-05-20 |
| 5372433 | Bearing device for an electric motor | Toru Nakanishi | 1994-12-13 |
| 5129738 | Bearing device | — | 1992-07-14 |
| 5120091 | Oil impregnated sintered bearing | — | 1992-06-09 |
| 5120140 | Sintered oil-impregnated bearing | Toru Nakanishi | 1992-06-09 |