Nippon Densan Corporation
Patent Applications and Registrations
Patent applications and USPTO patent grants for Nippon Densan Corporation.The latest application filed is for "heat sink fan".
- Nippon Densan Corporation - Kyoto JP
- Nippon Densan Corporation - JP JP
| Patent | Date |
|---|---|
| Heat sink fan Grant 5,484,013 - Morikawa , et al. January 16, 1 | 1996-01-16 |
| Low airflow hard disk apparatus Grant 5,453,890 - Takegami , et al. September 26, 1 | 1995-09-26 |
| Fan motor Grant 5,436,519 - Takahashi , et al. July 25, 1 | 1995-07-25 |
| Method of and circuit for starting sensorless motor Grant 5,428,284 - Kaneda , et al. June 27, 1 | 1995-06-27 |
| Disk clamping assembly for a low profile disk drive apparatus Grant 5,426,548 - Fujii , et al. June 20, 1 | 1995-06-20 |
| Spindle motor and magnetic fluid seal apparatus used therefor Grant 5,402,023 - Nakanishi , et al. March 28, 1 | 1995-03-28 |
| Motor eccentricity measuring apparatus Grant 5,365,458 - Tamura , et al. November 15, 1 | 1994-11-15 |
| Circuit and method of driving a DC motor Grant 5,363,028 - Mori November 8, 1 | 1994-11-08 |
| Motor and circuitry for protecting same Grant 5,363,003 - Harada , et al. November 8, 1 | 1994-11-08 |
| Spindle motor with labyrinth sealed bearing Grant 5,347,189 - Chuta , et al. September 13, 1 | 1994-09-13 |
| Fan motor Grant 5,343,104 - Takahashi , et al. August 30, 1 | 1994-08-30 |
| Micropump with liquid-absorptive polymer gel actuator Grant 5,336,057 - Fukuda , et al. August 9, 1 | 1994-08-09 |
| Low profile hard disk apparatus Grant 5,333,079 - Takegami , et al. July 26, 1 | 1994-07-26 |
| Micropump Grant 5,288,214 - Fukuda , et al. February 22, 1 | 1994-02-22 |
| Magnetic disk drive device and spindle motor for use in the same Grant 5,281,886 - Ohta January 25, 1 | 1994-01-25 |
| Spindle motor Grant 5,256,922 - Tanaka , et al. October 26, 1 | 1993-10-26 |
| Torque transducer Grant 5,255,567 - Miyake , et al. October 26, 1 | 1993-10-26 |
| Motor drive control apparatus Grant 5,250,883 - Okada October 5, 1 | 1993-10-05 |
| Motor Grant 5,245,234 - Okada , et al. September 14, 1 | 1993-09-14 |
| Method of and circuit for starting sensorless motor Grant 5,235,264 - Kaneda , et al. August 10, 1 | 1993-08-10 |
| Method and apparatus for charging a nickel-cadmium battery Grant 5,229,705 - Kato July 20, 1 | 1993-07-20 |
| Spindle motor with magnetic shield for magnetic fluid seal Grant 5,214,326 - Yonei May 25, 1 | 1993-05-25 |
| Lead holder for a spindle motor Grant 5,214,331 - Nishimura , et al. May 25, 1 | 1993-05-25 |
| Battery charger and charge controller therefor Grant 5,206,579 - Kawate , et al. April 27, 1 | 1993-04-27 |
| Spindle motor Grant 5,138,209 - Chuta , et al. August 11, 1 | 1992-08-11 |
| Spindle motor Grant 5,061,868 - Iwazaki , et al. October 29, 1 | 1991-10-29 |
| Magnetic fluid seal assembly Grant 5,009,436 - Endo , et al. April 23, 1 | 1991-04-23 |
| Spindle motor with non-contact seal Grant 4,996,613 - Hishida February 26, 1 | 1991-02-26 |
| Spindle motor with precision bearings Grant 4,980,587 - Yonei , et al. December 25, 1 | 1990-12-25 |
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