Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6527018 | Method and system for optimizing batch process of preparing solution | Shingo Yamauchi | 2003-03-04 |
| 5101390 | Track-jump device for a disc drive apparatus | — | 1992-03-31 |
| 5079756 | Track-jump device for a disc drive apparatus | — | 1992-01-07 |
| 5079757 | Servo circuit for an optical disk information recording and reproducing apparatus with improved stability for tracking and focusing control | Shigeaki Wachi | 1992-01-07 |
| 4709417 | Optical modulation system | — | 1987-11-24 |
| 4593386 | Optical disc player with improved tracking control | Kiyoshi Ohsato, Mikio Sugiki | 1986-06-03 |