Issued Patents All Time
Showing 26–38 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6456579 | Method for recording information, apparatus for recording information, and information recording medium | Makoto Miyamoto, Hiroyuki Minemura, Tetsuya Ikeda, Kenji Tokumitsu, Kazuo Shigematsu +1 more | 2002-09-24 |
| 6388987 | Information recording medium having wobbled groove structure and plural zones | Harukazu Miyamoto, Yoshio Suzuki, Motoyuki Suzuki, Hisataka Sugiyama, Hiroyuki Minemura +1 more | 2002-05-14 |
| 6388986 | Information recording medium having wobbled groove structure | Harukazu Miyamoto, Yoshio Suzuki, Motoyuki Suzuki, Hisataka Sugiyama, Hiroyuki Minemura +1 more | 2002-05-14 |
| 6383595 | Information recording medium | Akemi Hirotsune, Motoyasu Terao, Makoto Miyamoto, Yasushi Miyauchi, Tetsuya Nishida +5 more | 2002-05-07 |
| 6340555 | Information recording medium and information recording and reproducing apparatus using the same | Makoto Miyamoto, Motoyasu Terao, Yukio Fukui, Keikichi Andoo, Tetsuya Nishida +3 more | 2002-01-22 |
| 6219331 | Information recording medium with tracks having a groove structure having a fixed cycle of wobble | Harukazu Miyamoto, Yoshio Suzuki, Motoyuki Suzuki, Hisataka Sugiyama, Hiroyuki Minemura +1 more | 2001-04-17 |
| 6132932 | Information recording medium and information recording and reproducing apparatus using the same | Makoto Miyamoto, Motoyasu Terao, Yukio Fukui, Keikichi Andoo, Tetsuya Nishida +3 more | 2000-10-17 |
| 5936933 | Information recording medium and method and apparatus for recording and reproducing information using the same | Harukazu Miyamoto, Yoshio Suzuki, Motoyuki Suzuki, Hisataka Sugiyama, Hiroyuki Minemura +1 more | 1999-08-10 |
| 5930228 | Method and apparatus for recording and reproducing information using pseudo identification signal | Harukazu Miyamoto, Yoshio Suzuki, Motoyuki Suzuki, Hisataka Sugiyama, Hiroyuki Minemura +1 more | 1999-07-27 |
| 5642345 | Recording/reproducing apparatus including frequency modulator for frequency-modulating digital-modulated signal and frequency demodulator for frequency-demodulating signal to obtain digital-modulated signal | Masaaki Kurebayashi, Makoto Miyamoto, Naomi Suzuki, Yoshihiko Noro | 1997-06-24 |
| 5539710 | Video optical disk system compatible with both read only and writable optical disks having the same recording format | Masaaki Kurebayashi, Kouichi Moritani, Hitoshi Yanagihara, Katsuo Konishi, Katsuyuki Tanaka +2 more | 1996-07-23 |
| 4996682 | Optical information medium having paired wobble pitts with continuous groove therebetween | Hitoshi Yanagihara | 1991-02-26 |
| 4991163 | Optical information medium with sample mark area and multiple transcription prevention | Hitoshi Yanagihara, Katashi Hazama, Masaki Yoshii, Naotake Ebinuma | 1991-02-05 |