Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6031801 | Apparatus and method for reproducing data recorded at a predetermined linear velocity on a disc-like recording medium | Hideki Ishikawa, Mitsuru Okabe | 2000-02-29 |
| 6018506 | Disc reproducing apparatus and method | Mitsuru Okabe, Hidekazu Nakai | 2000-01-25 |
| 4638239 | Reference voltage generating circuit | — | 1987-01-20 |