Hirata, Seiichi
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hirata, Seiichi.The latest application filed is for "microwave semiconductor device and the manufacturing method thereof for improve heat discharge and electric property".
- Hirata, Seiichi - Kanagawa-ken JP
- Hirata; Seiichi - Yokosuka JP
| Patent | Date |
|---|---|
| Microwave semiconductor device and the manufacturing method thereof for improve heat discharge and electric property App 20020089068 - Hirata, Seiichi ; et al. | 2002-07-11 |
| Microwave semiconductor device and the manufacturing method thereof for improve heat discharge and electric property App 20020031859 - Hirata, Seiichi ; et al. | 2002-03-14 |
| Semiconductor device Grant 5,371,406 - Kojima , et al. December 6, 1 | 1994-12-06 |
| Semiconductor device Grant 5,329,068 - Hirata , et al. July 12, 1 | 1994-07-12 |
| Semiconductor device having an opening and method of manufacturing the same Grant 5,291,374 - Hirata , et al. March 1, 1 | 1994-03-01 |
| Semiconductor device Grant 4,855,807 - Yamaji , et al. August 8, 1 | 1989-08-08 |
| Semiconductor device of resin-seal type Grant 4,654,692 - Sakurai , et al. March 31, 1 | 1987-03-31 |
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