Issued Patents All Time
Showing 51–59 of 59 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6502182 | Digital signal processing device | — | 2002-12-31 |
| 6005427 | Digital PLL circuit | — | 1999-12-21 |
| 5640376 | Track kick device in a disc recording and reproducing apparatus | — | 1997-06-17 |
| 5633808 | Digital signal processor | — | 1997-05-27 |
| 5598384 | Feed search system for optical disk recording device | Shinji Aoshima | 1997-01-28 |
| 5590112 | Track jump controller for correcting information read errors | — | 1996-12-31 |
| 5521952 | Pulse counter circuit and pulse signal changeover circuit therefor | — | 1996-05-28 |
| 5195068 | Track-number computing equipment for CLV disk drives | — | 1993-03-16 |
| 5025173 | EFM-signal comparator | Takashi Ubayama, Eiichi Suzuki | 1991-06-18 |