Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7952985 | Recording medium, its manufacturing method, mother disc for recording medium, and its manufacturing method | Masatsugu Suwabe | 2011-05-31 |
| 7924694 | Write-once type optical recording medium and fabrication method thereof | Yuichi Sabi, Etsuro Ikeda | 2011-04-12 |
| 7787353 | Optical recording medium and method for manufacturing same | Toru Abiko, Etsuro Ikeda, Nobuaki Furuichi | 2010-08-31 |
| 6551681 | Optical recording medium | Toru Abiko, Hitoshi Shimomuki | 2003-04-22 |
| 6551680 | Optical recording medium | Toru Abiko, Hitoshi Shimomuki | 2003-04-22 |
| 6269070 | Optical disc having specified track pitch, push-pull signal, and cross-track signal | Minoru Kikuchi, Yoshihiro Akimoto, Masaki Kagawa, Nobuhiro Saito | 2001-07-31 |
| 6245404 | Optical Disc | Nobuhiro Saito, Minoru Kikuchi, Yoshihiro Akimoto | 2001-06-12 |
| 6210770 | Optical recording medium and method of manufacturing the same | Minoru Kikuchi, Yoshihiro Akimoto, Nobuhiro Saito, Noriko Kikuchi | 2001-04-03 |