Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7599891 | Method and system for administering storage medium | Yoriaki Kanada, Tatsuya Inokuchi, Shunsuke Furukawa, Takashi Yamanishi, Yoichiro Sako +2 more | 2009-10-06 |
| 7480942 | Method for controlling access to disc data and method for indentifying disc | Tatsuya Inokuchi, Yoriaki Kanada, Shunsuke Furukawa, Takashi Yamanishi, Yoichiro Sako | 2009-01-20 |
| 7216228 | Recording medium recording and/or reproduction apparatus, recording and/or reproduction method | Yoichiro Sako, Takashi Sato | 2007-05-08 |
| 7095694 | Information recording medium, storage medium, information reproduction apparatus and method, and information recording and reproduction apparatus and method as well as providing medium | Yoichiro Sako, Takashi Sato, Shunsuke Furukawa, Kazunobu Saito, Mitsuru Toriyama | 2006-08-22 |
| 7072260 | Data recording medium, data reproducing method and reproducing device, and data processing system | Yoichiro Sako, Masanobu Yamamoto, Tatsuya Inokuchi, Kaoru Kijima | 2006-07-04 |
| 6947362 | Information recording medium, storage medium, information reproduction apparatus and method, and information recording and reproduction apparatus and method as well as providing medium | Yoichiro Sako, Takashi Sato, Shunsuke Furukawa, Kazunobu Saito, Mitsuru Toriyama | 2005-09-20 |
| 6700845 | Multi-layer optical recording medium and method and apparatus for reproducing optical data | Yoichiro Sako, Tatsuya Inokuchi, Hiroshi Ogawa, Masanobu Yamamoto | 2004-03-02 |
| 5265083 | Portable disc player | Toshiyuki Ishii, Yoshisuke Kuroda, Hitoshi Nozaki | 1993-11-23 |
| 4310912 | Servo system for recording and/or reproducing apparatus using a rotatable recording carrier | Masahiro Kikuchi, Hitoshi Okada, Takeo Kaji | 1982-01-12 |