Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6661768 | Optical disk, and method and apparatus for reproducing information recorded in optical disk | Takashi Yumiba, Mitsuro Moriya, Mitsuaki Oshima, Akihiko Nishioka, Koichi Morioka | 2003-12-09 |
| 6526010 | Recording medium, method and apparatus for recording/reproducing information which has been scrambled using a medium identifier and a sector number | Koichi Morioka, Takashi Yumiba | 2003-02-25 |
| D469103 | Disc cartridge | Kuniko Nakata, Yoshito Saji, Hironori Okazawa | 2003-01-21 |