Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6157603 | Disk reproduction apparatus capable of continuously varying a reproduction speed | Hiroshi Shimada | 2000-12-05 |
| 6064271 | Voltage controlled oscillator circuit and disc reproducing apparatus | Hiroshi Shimada | 2000-05-16 |