Issued Patents All Time
Showing 26–36 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4786564 | Method for manufacturing a magnetic disk having reduced bit shift, minimized noise, increased resolution and uniform magnetic characteristics, and the resulting disk | Tsutomu Yamashita | 1988-11-22 |
| 4749459 | Method for manufacturing a thin film magnetic recording medium | Tsutomu Yamashita, Ching-Cheng Shir | 1988-06-07 |
| 4735701 | Disk carrier | Ronald Allen | 1988-04-05 |
| 4735540 | Robotic disk handler system | Ronald Allen | 1988-04-05 |
| 4634512 | Disk and plug | Ronald Allen | 1987-01-06 |
| 4595481 | Disk carrier | Ronald Allen | 1986-06-17 |
| 4556291 | Magneto-optic storage media | — | 1985-12-03 |
| 4405677 | Post treatment of perpendicular magnetic recording media | — | 1983-09-20 |
| 4388367 | Perpendicular magnetic recording medium and fabrication | Pietro Luigi Cavallotti | 1983-06-14 |
| 4374009 | Electrochemical post treatment of perpendicular magnetic recording media | Pietro Luigi Cavallotti | 1983-02-15 |
| 4202932 | Magnetic recording medium | George B. Charlan | 1980-05-13 |