Issued Patents All Time
Showing 26–50 of 227 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8154973 | Method of evaluating reproduce signal and optical disc drive | Soichiro Eto, Takahiro Kurokawa, Shuichi Kusaba | 2012-04-10 |
| 8144559 | Multiple pulse recording method with 3-valued power levels | Tsuyoshi Toda, Toshimitsu Kaku | 2012-03-27 |
| 8121226 | Method of evaluating a readout signal, and optical disc apparatus | — | 2012-02-21 |
| 8121014 | Method and apparatus for determining the reading power of an optical reproducing device | Takahiro Kurokawa | 2012-02-21 |
| 8107339 | Method of evaluating reproduce signal and optical disc drive | Soichiro Eto, Takahiro Kurokawa, Shuichi Kusaba | 2012-01-31 |
| 8102750 | Super resolution producing apparatus capable of adjusting reproduction power | Soichiro Eto, Toshimichi Shintani | 2012-01-24 |
| 8095844 | Digital information reproduction method | Toshimichi Shintani, Yumiko Anzai, Soichiro Eto | 2012-01-10 |
| 8094535 | Optical disk device | — | 2012-01-10 |
| 8089841 | Reproducing signal measuring method, signal reproducing apparatus, and optical recording medium | Akemi Hirotsune, Junko Ushiyama, Takahiro Kurokawa, Harukazu Miyamoto | 2012-01-03 |
| 8085641 | Reproduced signal evaluation method and write adjustment method | Takahiro Kurokawa, Junya Shiraishi, Shoei Kobayashi, Harumitsu Miyashita, Yasumori Hino | 2011-12-27 |
| 8085638 | Test-write method, information recording method, and information recording apparatus | Junko Ushiyama, Toshimichi Shintani | 2011-12-27 |
| 8085640 | Adjusting method for recording condition and optical disc device | Takahiro Kurokawa | 2011-12-27 |
| RE43018 | Optical disk apparatus and tracking method | Mariko Umeda, Motoyuki Suzuki | 2011-12-13 |
| 8040777 | Information recording method, information recording medium and information recording apparatus | Takeshi Maeda, Hirofumi Sukeda, Hidehiko Kando, Makoto Miyamoto | 2011-10-18 |
| 7990817 | Optical disk medium and tracking method | Toshimichi Shintani, Yumiko Anzai, Soichiro Eto | 2011-08-02 |
| 7957240 | Test writing method and information recording device | Junko Ushiyama | 2011-06-07 |
| 7945002 | Information read device and read signal processing circuit | Atsushi Kikugawa | 2011-05-17 |
| 7944791 | PRML (Partial Response Maximum Likelihood) information reproducing method and information reproducing apparatus for implementing the same | Masaki Mukoh | 2011-05-17 |
| 7933179 | Optical information reproducing method, optical information reproducing device, and optical information recording medium | Toshimichi Shintani, Soichiro Eto | 2011-04-26 |
| 7889607 | Optical disk device and integrated circuit used therein | Atsushi Kikugawa | 2011-02-15 |
| 7852722 | Optical disk apparatus and playback signal processing method | Atsushi Kikugawa | 2010-12-14 |
| 7852729 | Optical disc apparatus with adjustable constraint length PRML | Atsushi Kikugawa | 2010-12-14 |
| 7813258 | Optical information recording medium and optical information reproducing method | Toshimichi Shintani, Yumiko Anzai, Soichiro Eto | 2010-10-12 |
| 7773481 | Recording method and optical disc apparatus | — | 2010-08-10 |
| 7767148 | Staining/covering system | Tomio Takahashi | 2010-08-03 |