Issued Patents 2002
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6493306 | Optical disk, optical disk drive apparatus, and optical disk tracking method | Kazuhiko Nakane, Hiroyuki Oohata, Kenji Gotoh, Yoshinobu Ishida | 2002-12-10 |
| 6466530 | Optical disk, optical disk drive apparatus, and optical disk tracking method | Kazuhiko Nakane, Hiroyuki Oohata, Kenji Gotoh, Yoshinobu Ishida | 2002-10-15 |
| 6438079 | Optical disk, optical disk drive apparatus, and optical disk tracking method | Kazuhiko Nakane, Hiroyuki Oohata, Kenji Gotoh, Yoshinobu Ishida | 2002-08-20 |
| 6396798 | Optical disc with a rewritable area and a read-only area | Yoshinari Takemura, Shunji Ohara, Takashi Ishida, Isao Satoh, Kazuhiko Nakane +1 more | 2002-05-28 |
| 6396799 | Optical disk drive device using an optical disk having a continuous information track formed of alternating land/groove revolutions | Kazuhiko Nakane, Tsuyoshi Katayama, Kouichi Komawaki | 2002-05-28 |
| 6337845 | Optical disk format having a continuous recording area formed of alternating land and groove revolutions, optical disk drive apparatus, and optical disk tracking method | Kazuhiko Nakane, Hiroyuki Oohata, Kenji Gotoh, Yoshinobu Ishida | 2002-01-08 |