Shir; Ching-Cheng
Patent Applications and Registrations
Patent applications and USPTO patent grants for Shir; Ching-Cheng.The latest application filed is for "method for manufacturing a thin film magnetic recording medium".
- Shir; Ching-Cheng - San Jose CA
| Patent | Date |
|---|---|
| Method for manufacturing a thin film magnetic recording medium Grant 4,988,578 - Yamashita , et al. January 29, 1 | 1991-01-29 |
| Corrosion resistant magnetic disk Grant 4,929,500 - Yamashita , et al. May 29, 1 | 1990-05-29 |
| Corrosion and wear resistant magnetic disk Grant 4,898,774 - Yamashita , et al. February 6, 1 | 1990-02-06 |
| Method for manufacturing a thin film magnetic recording medium Grant 4,749,459 - Yamashita , et al. June 7, 1 | 1988-06-07 |
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