Issued Patents All Time
Showing 151–175 of 227 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6545973 | Optical reproduction apparatus | Harukazu Miyamoto, Hirofumi Sukeda, Motoyasu Terao, Tetsuo Andou | 2003-04-08 |
| 6545960 | Information recording medium and method and apparatus for recording and reproducing information using the same | Harukazu Miyamoto, Yoshio Suzuki, Motoyuki Suzuki, Hisataka Sugiyama, Tetsuya Fushimi +1 more | 2003-04-08 |
| 6545961 | Optical reproducing method | Harukazu Miyamoto, Yoshio Suzuki, Motoyuki Suzuki, Hisataka Sugiyama, Tetsuya Fushimi +1 more | 2003-04-08 |
| 6542458 | Information recording medium having wobbled groves | Harukazu Miyamoto, Yoshio Suzuki, Motoyuki Suzuki, Hisataka Sugiyama, Tetsuya Fushimi +1 more | 2003-04-01 |
| 6542457 | Method for reproducing information from recording medium having grooves and lands as tracks divided into units | Harukazu Miyamoto, Hisataka Sugiyama | 2003-04-01 |
| 6542456 | Optical reproducing method | Harukazu Miyamoto, Hirofumi Sukeda, Motoyasu Terao, Tetsuo Andou | 2003-04-01 |
| 6542448 | Information recording apparatus for recording information on an optical medium having a groove structure with a fixed cycle of wobble | Harukazu Miyamoto, Yoshio Suzuki, Motoyuki Suzuki, Hisataka Sugiyama, Tetsuya Fushimi +1 more | 2003-04-01 |
| 6538981 | Optical reproduction apparatus | Harukazu Miyamoto, Hirofumi Sukeda, Motoyasu Terao, Tetsuo Andou | 2003-03-25 |
| 6538980 | Optical disc | Harukazu Miyamoto, Hirofumi Sukeda, Motoyasu Terao, Tetsuo Andou | 2003-03-25 |
| 6532207 | Optical reproducing method | Harukazu Miyamoto, Hirofumi Sukeda, Motoyasu Terao, Tetsuo Andou | 2003-03-11 |
| 6529470 | Optical recording medium with aligned prepit portion | Harukazu Miyamoto, Hirofumi Sukeda, Motoyasu Terao, Tetsuo Andou | 2003-03-04 |
| 6522612 | Method for recording information, apparatus for recording information and information recording medium | Makoto Miyamoto, Nobuhiro Tokushuku, Tetsuya Ikeda, Kenji Tokumitsu, Kazuo Shigematsu +1 more | 2003-02-18 |
| 6519219 | Information recording method for recording a recording signal and a dummy signal added to a leading or/and trailing side of the recording signal | Yasushi Miyauchi, Motoyasu Terao, Akemi Hirotsune, Harukazu Miyamoto | 2003-02-11 |
| 6496461 | Information recording/reproducing apparatus | Norimoto Ichikawa, Toshimitsu Kaku, Hisataka Sugiyama | 2002-12-17 |
| 6492915 | Method for recording information, method for reproducing information, and information recording apparatus | Takeshi Maeda, Yukari Katayama | 2002-12-10 |
| 6493295 | Information recording apparatus | Harukazu Miyamoto, Yoshio Suzuki, Motoyuki Suzuki, Hisataka Sugiyama, Tetsuya Fushimi +1 more | 2002-12-10 |
| 6490233 | Optical reproducing method | Harukazu Miyamoto, Yoshio Suzuki, Motoyuki Suzuki, Hisataka Sugiyama, Tetsuya Fushimi +1 more | 2002-12-03 |
| 6487156 | Information recording apparatus for recording a recording signal and a dummy signal added to a leading and/or trailing side of the recording signal | Yasushi Miyauchi, Motoyasu Terao, Akemi Hirotsune, Harukazu Miyamoto | 2002-11-26 |
| 6483794 | Information recording method for recording a recording signal and a dummy signal added to a leading or/and trailing side of the recording signal | Yasushi Miyauchi, Motoyasu Terao, Akemi Hirotsune, Harukazu Miyamoto | 2002-11-19 |
| 6483800 | Optical reproduction apparatus for reproducing information from an optical recording medium having wobbled pits | Harukazu Miyamoto, Hirofumi Sukeda, Motoyasu Terao, Tetsuo Andou | 2002-11-19 |
| 6480452 | Information recording medium, information recording method and information recording apparatus | Yasushi Miyauchi, Motoyasu Terao, Akemi Hirotsune, Harukazu Miyamoto | 2002-11-12 |
| 6480451 | Information recording medium, information recording method and information recording apparatus | Yasushi Miyauchi, Motoyasu Terao, Akemi Hirotsune, Harukazu Miyamoto | 2002-11-12 |
| 6477131 | Head amplifier and an optical disk device using the same | Hiroyuki Tsuchinaga | 2002-11-05 |
| 6463020 | Arrangements for using detected phase differences for setting laser power levels | Tsuyoshi Toda | 2002-10-08 |
| 6456579 | Method for recording information, apparatus for recording information, and information recording medium | Makoto Miyamoto, Nobuhiro Tokushuku, Tetsuya Ikeda, Kenji Tokumitsu, Kazuo Shigematsu +1 more | 2002-09-24 |