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Patent applications and USPTO patent grants for Zhang; Qide.The latest application filed is for "data storage device".
Patent | Date |
---|---|
Data storage device Grant 9,202,512 - Bi , et al. December 1, 2 | 2015-12-01 |
Data Storage Device App 20150146322 - Bi; Chao ;   et al. | 2015-05-28 |
Electric spindle motor and method having magnetic starting/stopping device Grant 6,717,308 - Chen , et al. April 6, 2 | 2004-04-06 |
Spindle motor with an aerodynamic and hydrodynamic bearing assembly Grant 6,674,201 - Liu , et al. January 6, 2 | 2004-01-06 |
Electric Spindle Motor And Method Having Magnetic Starting/stopping Device App 20030201683 - Chen, Shixin ;   et al. | 2003-10-30 |
Electric spindle motor with magnetic bearing and hydrodynamic bearing Grant 6,545,378 - Chen , et al. April 8, 2 | 2003-04-08 |
Spindle motor with an aerodynamic and hydrodynamic bearing assembly App 20030025409 - Liu, Zhejie ;   et al. | 2003-02-06 |
Electric spindle motor with magnetic bearing and hydrodynamic bearing App 20020089245 - Chen, Shixin ;   et al. | 2002-07-11 |
Electric spindle motor Grant 6,020,664 - Liu , et al. February 1, 2 | 2000-02-01 |
Electric spindle motor Grant 5,969,448 - Liu , et al. October 19, 1 | 1999-10-19 |
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