Issued Patents All Time
Showing 51–75 of 96 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6314075 | Optical recording/reproducing apparatus | Harukazu Miyamoto, Hiroyuki Minemura | 2001-11-06 |
| 6301210 | Optical disc apparatus and method thereof | Shigeki Yamazaki, Hiroyuki Minamura, Tetsuya Fushimi, Makoto Itagaki | 2001-10-09 |
| 6301211 | Information recording/reproducing apparatus | Norimoto Ichikawa, Hiroyuki Minemura, Toshimitsu Kaku | 2001-10-09 |
| 6295258 | Method for recording and reproducing information by pre-pits detection | Toshimitsu Kaku, Toru Kawashima, Takehiko Sekine, Yosiho Suzuki, Tetsuya Fushimi | 2001-09-25 |
| 6229786 | Optical recording medium using land/groove recording | Harukazu Miyamoto, Hiroyuki Minemura | 2001-05-08 |
| 6219331 | Information recording medium with tracks having a groove structure having a fixed cycle of wobble | Harukazu Miyamoto, Yoshio Suzuki, Motoyuki Suzuki, Hiroyuki Minemura, Tetsuya Fushimi +1 more | 2001-04-17 |
| 6195316 | Optical recording medium using land/groove recording | Harukazu Miyamoto, Hiroyuki Minemura | 2001-02-27 |
| 6188654 | Method and apparatus for recording/reproducing by pre-pits detection | Toshimitsu Kaku, Toru Kawashima, Takehiko Sekine, Yosiho Suzuki, Tetsuya Fushimi | 2001-02-13 |
| 6134203 | Optical disk signal processing apparatus | Takeshi Maeda | 2000-10-17 |
| 6091678 | Method and apparatus for detecting position of alternated land and groove of information recording medium | Tetsuya Fushimi, Toru Kawashima, Hiroyuki Minamura, Yoshio Suzuki, Hisamitsu Tanaka | 2000-07-18 |
| 6054199 | Optical recording medium | Toshinori Sugiyama, Masashi Suenaga, Hitoshi Watanabe, Shinitsu Kinoshita, Hirofumi Sukeda | 2000-04-25 |
| 6028833 | Optical disk signal processing apparatus using modulated light source in a playback operation | Takeshi Maeda | 2000-02-22 |
| 5953310 | Optical recording medium using land/groove recording | Harukazu Miyamoto, Hiroyuki Minemura | 1999-09-14 |
| 5936933 | Information recording medium and method and apparatus for recording and reproducing information using the same | Harukazu Miyamoto, Yoshio Suzuki, Motoyuki Suzuki, Hiroyuki Minemura, Tetsuya Fushimi +1 more | 1999-08-10 |
| 5930228 | Method and apparatus for recording and reproducing information using pseudo identification signal | Harukazu Miyamoto, Yoshio Suzuki, Motoyuki Suzuki, Hiroyuki Minemura, Tetsuya Fushimi +1 more | 1999-07-27 |
| 5886969 | High-density information recording/reproducing method | Takeshi Maeda, Hiroyuki Awano, Harukazu Miyamoto, Keikichi Andoo, Kouichirou Wakabayashi +5 more | 1999-03-23 |
| 5878008 | Optical recording/reproducing method and apparatus for controlling irradiation position of an optical spot | Harukazu Miyamoto, Hiroyuki Minemura | 1999-03-02 |
| 5848045 | Method for recording and reading an optical disk | Fumiyoshi Kirino, Tsuyoshi Toda, Hiroshi Ide, Atsushi Saito, Hiroyuki Tsuchinaga +6 more | 1998-12-08 |
| 5835469 | High-density information recording/reproducing method | Takeshi Maeda, Hiroyuki Awano, Harukazu Miyamoto, Keikichi Andoo, Kouichirou Wakabayashi +5 more | 1998-11-10 |
| 5808988 | Reproduction of optical information by one-beam optics with reduced crosstalk as recorded in multi-phases and multi-levels at staggered lattice points, and apparatus and recording medium therefor | Takeshi Maeda, Kouichirou Wakabayashi | 1998-09-15 |
| 5805565 | Optical disk having wobbled information shared between tracks | Harukazu Miyamoto, Hiroyuki Minemura | 1998-09-08 |
| 5784347 | Optical disk device having optical phase compensator | Harukazu Miyamoto, Takeshi Shimano, Mariko Umeda | 1998-07-21 |
| 5774444 | Split photo detector for detecting a central portion and a peripheral portion of a reflected light beam | Takeshi Shimano, Kimio Tatsuno, Kouichirou Wakabayashi, Takeshi Maeda | 1998-06-30 |
| 5761172 | Method of optical reproduction using pulsed light | Hiroyuki Minemura, Tetsuya Fushimi, Harukazu Miyamoto | 1998-06-02 |
| 5737301 | "Laser control for setting average recording power of ""1"" equal to average recording power of ""0""" | Harukazu Miyamoto, Kiyoshi Matsumoto | 1998-04-07 |