Issued Patents All Time
Showing 76–85 of 85 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5148422 | Optical recording medium having a data recording track with offset data storing regions | Yoichiro Sako | 1992-09-15 |
| 5138598 | Optical disk having relatively wide RAM tracks and relatively narrow ROM tracks | Yoichiro Sako | 1992-08-11 |
| 4829497 | Optical disc recording method and apparatus for digital data having a plurality of transmission rates | Yoichiro Sako, Shinichi Yamamura | 1989-05-09 |
| 4819236 | Data transmission method suitable for a disc | Yoichiro Sako, Shinichi Yamamura | 1989-04-04 |
| 4800549 | Method and apparatus for seeking target address with error check code | Yoichiro Sako | 1989-01-24 |
| 4788685 | Apparatus for recording and reproducing data | Yoichiro Sako, Shinichi Yamamura | 1988-11-29 |
| 4774698 | Optical disc recording and reproducing apparatus with improved servo control | Fumiaki Henmi | 1988-09-27 |
| 4733385 | Signal recording and reproducing apparatus for an opto-magnetic disk | Fumiaki Henmi, Kiyoshi Ohsato | 1988-03-22 |
| 4539691 | Method and apparatus for encoding a binary digital information signal | Hiroshi Ogawa | 1985-09-03 |
| 4409526 | Brushless DC motor | Hiroyuki Yamauchi | 1983-10-11 |