Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10525812 | Active vibration damping device | Takashi Tooyama, Takashi Yamaguchi | 2020-01-07 |
| 10421348 | Active vibration damping device | Takashi Yamaguchi | 2019-09-24 |
| 10406905 | Active vibration damping device | Takashi Yamaguchi | 2019-09-10 |
| 9352643 | Control apparatus for controlling active vibroisolating support device | Takashi Yamaguchi, Atsushi Mitsui, Kentaro Yamanaka | 2016-05-31 |
| 9145836 | Engine mounted controller, and vehicle | Hideyuki Okamoto | 2015-09-29 |
| 9108641 | Control apparatus for vehicles | Hideyuki Okamoto, Takashi Yamaguchi | 2015-08-18 |
| 8474801 | Solenoid driving device and active vibration isolating support device equipped with the same | Tetsuya Ishiguro | 2013-07-02 |
| 8444124 | Engine natural vibration frequency detection method, active vibration isolation support device control method, engine natural vibration frequency detection apparatus, active vibration isolation support device control apparatus, active vibration isolation support device, and vibration frequency detection apparatus for vibrating body | Shungo Fueki, Tetsuya Ishiguro, Hiroaki Ue, Hirotomi Nemoto | 2013-05-21 |
| 7903514 | Information reproduction device | Eisaku Kawano, Masahiro Kato, Masahiro Miura, Tohru Kanegae, Kyusho Omori | 2011-03-08 |
| 7889604 | Information recording medium, apparatus, and method, using dummy data in dummy data recording area | Masahiro Kato, Tohru Kanegae, Kyusho Omori, Masahiro Miura, Eisaku Kawano | 2011-02-15 |
| 7336589 | Information recording apparatus and information recording method | Masahiro Kato | 2008-02-26 |
| 7260052 | Information recording medium | Masahiro Kato, Atsushi Yamaguchi, Eiji Muramatsu, Shoji Taniguchi, Toshihiko Takishita +2 more | 2007-08-21 |
| 7187636 | Method and apparatus for correcting tilt of light beam to optical recording medium | Masahiro Kato, Shigeru Yoshida, Kanji Ishihara | 2007-03-06 |
| 7099255 | Error counting apparatus for counting an error number of a pre-pit signal in an optical disc and method therefor | Masahiro Kato, Naoharu Yanagawa, Yuko Muramatsu, Shinji Suzuki | 2006-08-29 |
| 6956802 | Aperture ratio measuring apparatus for optical recording medium with pre-pits | Masahiro Kato, Naoharu Yanagawa, Yuko Muramatsu, Shinji Suzuki | 2005-10-18 |
| 6954418 | APPARATUS FOR ADJUSTING SIGNAL LEVELS DERIVED FROM AN OPTICAL DISC TO BECOME EQUAL TO A REFERENCE LEVEL DETERMINED FROM AT LEAST ONE OF THE SIGNAL LEVELS OF THE SIGNALS AND FOR SYNTHESIZING THE SIGNALS | Naoharu Yanagawa, Masahiro Kato, Yuko Muramatsu, Shinji Suzuki | 2005-10-11 |
| 6928041 | Pre-pit detecting apparatus for optical recording medium | Masahiro Kato, Naoharu Yanagawa, Yuko Muramatsu, Shinji Suzuki | 2005-08-09 |
| 6865143 | Optical device including a calibrating unit for calibrating a level adjusting unit | Naoharu Yanagawa, Masahiro Kato, Yuko Muramatsu, Shinji Suzuki | 2005-03-08 |
| 6801488 | Pre-pit detecting apparatus for optical recording medium | Masahiro Kato, Naoharu Yanagawa, Yuko Muramatsu, Shinji Suzuki | 2004-10-05 |
| 6687214 | Recording medium and apparatus and method for manufacturing the same | Masahiro Kato, Eiji Muramatsu, Atsushi Yamaguchi, Shoji Taniguchi, Seiro Oshima +3 more | 2004-02-03 |