Umehara; Teruo
Patent Applications and Registrations
Patent applications and USPTO patent grants for Umehara; Teruo.The latest application filed is for "arm assembly and voice coil motor".
- Umehara; Teruo - Hanyu JP
| Patent | Date |
|---|---|
| Arm assembly and voice coil motor Grant 5,691,581 - Umehara , et al. November 25, 1 | 1997-11-25 |
| Actuator with moveable coil and recording apparatus Grant 5,581,422 - Umehara December 3, 1 | 1996-12-03 |
| Swing-type actuator Grant 5,576,583 - Umehara November 19, 1 | 1996-11-19 |
| Swing-type actuator Grant 5,459,359 - Umehara October 17, 1 | 1995-10-17 |
| Swing-type actuator Grant 5,168,185 - Umehara , et al. December 1, 1 | 1992-12-01 |
| Swing-type actuator Grant 5,165,090 - Takahashi , et al. November 17, 1 | 1992-11-17 |
| Focus magnet with separate static and dynamic control coils Grant 5,113,162 - Umehara , et al. May 12, 1 | 1992-05-12 |
| Linear motor Grant 5,057,723 - Umehara , et al. October 15, 1 | 1991-10-15 |
| Linear motor of moving-coil type Grant 4,758,750 - Itagaki , et al. July 19, 1 | 1988-07-19 |
| D.C. Electromagnetic actuator Grant 4,422,060 - Matsumoto , et al. December 20, 1 | 1983-12-20 |
| Multi-pole permanent magnet rotor Grant 4,260,920 - Nakamura , et al. April 7, 1 | 1981-04-07 |
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