Akiyama; Hirosi
Patent Applications and Registrations
Patent applications and USPTO patent grants for Akiyama; Hirosi.The latest application filed is for "semiconductor device having thermal stress resistance structure".
- Akiyama; Hirosi - Hitachi JP
| Patent | Date |
|---|---|
| Semiconductor device having thermal stress resistance structure Grant 5,621,243 - Baba , et al. April 15, 1 | 1997-04-15 |
| Production method of thin film magnetic head Grant 4,685,014 - Hanazono , et al. August 4, 1 | 1987-08-04 |
| Ceramic composite article Grant 4,636,434 - Okamura , et al. January 13, 1 | 1987-01-13 |
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