Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5307218 | Magnetic disk apparatus using both servo-surface servo and data-surface servo | Tomihisa Ogawa | 1994-04-26 |
| 5208711 | Data recording/reproducing apparatus having recording head position detection and control | Katsuhiko Kaida | 1993-05-04 |
| 4697213 | Index servo type magnetic head positioning control apparatus and method thereof | — | 1987-09-29 |
| 4564870 | Signal detector of magnetic disk apparatus | — | 1986-01-14 |