Yasuda; Yasumichi
Patent Applications and Registrations
Patent applications and USPTO patent grants for Yasuda; Yasumichi.The latest application filed is for "power semiconductor device".
- Yasuda; Yasumichi - Hitachi JP
| Patent | Date |
|---|---|
| Power semiconductor device Grant 5,539,244 - Mori , et al. July 23, 1 | 1996-07-23 |
| Parallel circuit module including a diode and an IGBT Grant 5,274,541 - Kimura , et al. December 28, 1 | 1993-12-28 |
| Semiconductor device and manufacturing method therefor Grant 5,208,471 - Mori , et al. May 4, 1 | 1993-05-04 |
| Method for fabricating insulated gate semiconductor device Grant 5,179,034 - Mori , et al. * January 12, 1 | 1993-01-12 |
| Method for fabricating insulated gate semiconductor device Grant 5,032,532 - Mori , et al. July 16, 1 | 1991-07-16 |
| Composite semiconductor device Grant 4,935,799 - Mori , et al. June 19, 1 | 1990-06-19 |
| High withstand voltage semiconductor device with shallow grooves between semiconductor region and field limiting rings with outer mesa groove Grant 3,984,859 - Misawa , et al. October 5, 1 | 1976-10-05 |
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