Issued Patents 2002
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6469980 | Optical disk and a recording/reproduction apparatus using multiple address block groups shifted oppositely with multiple address blocks and non-pit data | Shigeru Furumiya, Takashi Ishida, Yoshito Aoki, Shunji Ohara, Yuichi Kamioka +1 more | 2002-10-22 |
| 6456585 | Optical disk and a recording/reproduction apparatus using multiple address block groups shifted oppositely with multiple address blocks having clock synchronization, address number and address ID | Shigeru Furumiya, Takashi Ishida, Yoshito Aoki, Shunji Ohara, Yuichi Kamioka +1 more | 2002-09-24 |
| 6438096 | Optical disk and a recording/reproduction apparatus using multiple address block groups shifted oppositely with multiple address blocks and clock synchronization | Shigeru Furumiya, Takashi Ishida, Yoshito Aoki, Shunji Ohara, Yuichi Kamioka +1 more | 2002-08-20 |
| 6418111 | Optical disk compatible with read-only disk and having read-only and rewritable areas with overlapping formats | Takashi Ishida, Shunji Ohara, Isao Satoh | 2002-07-09 |
| 6408285 | Optical disk reading device using both a decipher key and disk identification information for decryption | Mitsuaki Oshima, Yoshino Gotoh, Shinichi Tanaka, Kenji Koishi, Mitsurou Moriya | 2002-06-18 |
| 6396798 | Optical disc with a rewritable area and a read-only area | Shunji Ohara, Takashi Ishida, Isao Satoh, Kazuhiko Nakane, Masato Nagasawa +1 more | 2002-05-28 |
| 6396778 | Optical disk and a recording/reproduction apparatus thereof | Shigeru Furumiya, Takashi Ishida, Yoshito Aoki, Shunji Ohara, Yuichi Kamioka +1 more | 2002-05-28 |
| 6381588 | Optical disk recordable using both a cipher key and disk identification information for encryption | Mitsuaki Oshima, Yoshiho Gotoh, Shinichi Tanaka, Kenji Koishi, Mitsurou Moriya | 2002-04-30 |
| 6373815 | Optical disc having oscillating lands and grooves | Takashi Ishida, Shin-ichi Tanaka, Akira Mutoh, Shunji Ohara, Isao Satoh | 2002-04-16 |
| 6343282 | Optical disk reading device using both a decipher key and disk identification information | Mitsuaki Oshima, Yoshiho Gotoh, Shinichi Tanaka, Kenji Koishi, Mitsurou Moriya | 2002-01-29 |