Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7706222 | Demodulator, disk drive device, and demodulation method | Mariko Fukuyama | 2010-04-27 |
| 7333408 | Demodulator, disk drive device, and phase adjustment method | Tatsushi Sano, Mitsuru Okabe | 2008-02-19 |
| 7057985 | Recording/reproducing apparatus and recording/reproducing method | Shoei Kobayashi | 2006-06-06 |
| 6147957 | Information recording/reproducing apparatus and method | Toru Nagara, Akio Terada, Masamichi Kondo | 2000-11-14 |
| 6018507 | Method of and apparatus for recording data on land/groove track on optical recording medium | Toru Takeda, Akira Shimazu, Tamotsu Yamagami | 2000-01-25 |
| 5991257 | Disk with zones of tracks segmented into data frames, with tracks closer to the disk edge having more frames, and a data recording/reproducing method and apparatus using such disk | Shoei Kobayashi, Shuji Uehara | 1999-11-23 |
| 5754522 | Method for forming disk, disk forming apparatus, data recording/reproducing method, data recording/reproducing apparatus, and disk capable of recording/reproducing data in high density | Shoei Kobayashi, Shuji Uehara | 1998-05-19 |
| 5689479 | Magneto-optical recording apparatus | — | 1997-11-18 |