Issued Patents All Time
Showing 1–25 of 69 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7283671 | Communications terminal | Kazushige Hiroi, Tsutomu Hara, Seishi Hanaoka, Masaya Umemura | 2007-10-16 |
| 7227818 | Magneto-optical data recording/reproducing method | Tsuyoshi Toda, Takeshi Maeda, Fumio Kugiya, Hiroshi Ide, Hiroyuki Tsuchinaga +2 more | 2007-06-05 |
| 7209416 | Method and apparatus for optical head and optical information reproducing | Kouji Arikawa, Shigeru Nakamura | 2007-04-24 |
| 7148807 | Information transmission system and information transmission apparatus | Eiji Moro, Shigehisa Rokuta | 2006-12-12 |
| 7106681 | Optical head arrangements with single substrate lasers | Shigeru Nakamura, Takeshi Shimano | 2006-09-12 |
| RE39013 | Method and apparatus for optical recording and reproducing with tracking servo reducing track offset | Toshimitsu Kaku, Hisataka Sugiyama, Takeshi Maeda, Masahiro Takasago | 2006-03-14 |
| 6985424 | Laser module and optical head | Shigeru Nakamura, Toshimasa Kamisada | 2006-01-10 |
| 6967919 | Method and apparatus for optical head and optical information reproducing | Kouji Arikawa, Shigeru Nakamura | 2005-11-22 |
| 6836454 | Method and apparatus for reading and writing information onto and from information recording disks | Manabu Sasaki, Yasushi Fukuda, Masahiko Takahashi | 2004-12-28 |
| 6791934 | Objective lens optical system, optical head and optical information reproduction apparatus | Takeshi Shimano, Tetsuo Ariyoshi, Koichi Maruyama, Shuichi Takeuchi | 2004-09-14 |
| 6785203 | Optical lens for optical disc drive with aberration suppression for recording/reproducing for a plurality of optical disc types | Koichi Maruyama, Takeshi Shimano, Shigeru Nakamura, Akira Arimoto | 2004-08-31 |
| 6778486 | Laser module, optical head and optical information recording and reproducing apparatus | Kouji Arikawa, Susumu Tachibana, Hideo Taguchi, Shigeru Nakamura, Tetsuya Tomobe | 2004-08-17 |
| 6714506 | Method and apparatus for optical head and optical information reproducing | Kouji Arikawa, Shigeru Nakamura | 2004-03-30 |
| 6552986 | Apparatus for recording and reproducing data | Yasushi Fukuda, Masahiko Takahashi | 2003-04-22 |
| 6522612 | Method for recording information, apparatus for recording information and information recording medium | Makoto Miyamoto, Nobuhiro Tokushuku, Hiroyuki Minemura, Tetsuya Ikeda, Kenji Tokumitsu +1 more | 2003-02-18 |
| 6477129 | Optical disc drive | Koichi Maruyama, Takeshi Shimano, Shigeru Nakamura, Akira Arimoto | 2002-11-05 |
| 6456579 | Method for recording information, apparatus for recording information, and information recording medium | Makoto Miyamoto, Nobuhiro Tokushuku, Hiroyuki Minemura, Tetsuya Ikeda, Kenji Tokumitsu +1 more | 2002-09-24 |
| 6396790 | Optical head and information recording and reproducing apparatus using it | Kouji Arikawa, Shigeru Nakamura | 2002-05-28 |
| 6298028 | Optical head and information recording and reproducing apparatus using it | Kouji Arikawa, Shigeru Nakamura | 2001-10-02 |
| 6088307 | Wobble signal detecting circuit, wobble abnormality detecting circuit, information processing apparatus using these circuits and method and recording medium used in the apparatus or method | Tetsuya Fushimi, Toshimitsu Kaku, Tetsuya Ikeda, Toshiaki Ishibashi | 2000-07-11 |
| 5953513 | Recording and reproducing device for recording and reproducing information from different kinds of storage media having different sector formats | Eisaku Saiki, Takashi Oeda, Shoichi Miyazawa, Yasunori Kaneda | 1999-09-14 |
| 5854778 | Information recording and reproducing method and system for disc-shaped recording mediums | Kikuo Shimizu | 1998-12-29 |
| 5848045 | Method for recording and reading an optical disk | Fumiyoshi Kirino, Tsuyoshi Toda, Hiroshi Ide, Hisataka Sugiyama, Atsushi Saito +6 more | 1998-12-08 |
| 5732061 | Recording method using trial write test pattern | Fumiyoshi Kirino, Takeshi Maeda, Hiroshi Ide, Toshimitsu Kaku, Seiichi Mita +1 more | 1998-03-24 |
| 5703855 | Optical disk apparatus and recording and reading method for an optical disk using the same | Fumiyoshi Kirino, Tsuyoshi Toda, Horishi Ide, Hisataka Sugiyama, Atsushi Saito +6 more | 1997-12-30 |