Issued Patents All Time
Showing 1–25 of 66 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10665260 | Optical disc recording device and optical disc recording method | Naohiro Kimura | 2020-05-26 |
| 10643650 | Information recording device and data erasing method | Naohiro Kimura | 2020-05-05 |
| 10068604 | Information recording device and data erasing method | Naohiro Kimura, Kohei Nakata | 2018-09-04 |
| 10008236 | Optical disk, optical disk recording device, and optical disk playback device | Kohei Nakata | 2018-06-26 |
| 10002633 | Optical disk, optical disk recording method, optical disk recording device, and integrated circuit | Kohei Nakata, Naohiro Kimura | 2018-06-19 |
| 9959901 | Inspection method for optical disc | Yasumori Hino, Junichi Minamino, Tsutomu Kai | 2018-05-01 |
| 9899051 | Information recording and playback device | Akihito YOSHIMI, Yoshihisa Takahashi | 2018-02-20 |
| 9741383 | Optical disk recording method, optical disk apparatus, and optical disk medium | Kohei Nakata, Yasumori Hino, Junichi Minamino, Yoshihisa Takahashi | 2017-08-22 |
| 9691426 | Optical device and optical disc recording or reproducing method for optical disc including BCA having zone format identifier | Kohei Nakata | 2017-06-27 |
| 9495994 | Optical disc capable of recording address information with the same modulation on sides of adjacent grooves | Junichi Minamino, Kohei Nakata | 2016-11-15 |
| 9454985 | Optical disc medium and optical disc device | Junichi Minamino, Kohei Nakata | 2016-09-27 |
| 9401172 | Optical disc medium and optical disc device | Junichi Minamino, Kohei Nakata | 2016-07-26 |
| 8953426 | Information reproducing apparatus and information reproducing method | Kohei Nakata, Yasumori Hino | 2015-02-10 |
| 8848500 | Optical read/write apparatus | Emi Kitano, Ryoji Hirose | 2014-09-30 |
| 8817583 | Optical read/write apparatus | Ryoji Hirose | 2014-08-26 |
| 8565054 | Optical recording medium, optical recording medium manufacturing method, reproduction signal processing method and evaluation method | Yasumori Hino, Mamoru Shoji, Kiyotaka Itou | 2013-10-22 |
| 8514682 | Reproduction signal evaluation method, reproduction signal evaluation unit, and optical disk device adopting the same | Yasumori Hino, Junya Shiraishi, Shoei Kobayashi | 2013-08-20 |
| 8400894 | Method for writing data on multilayer optical disc and optical disc drive | Hiroaki Shigematsu, Yoshiyasu Nakayama | 2013-03-19 |
| 8363530 | Information reproduction method, information recording method, and information recording medium | Isao Kobayashi | 2013-01-29 |
| 8305859 | Information recording medium and information recording medium evaluation method | Kohei Nakata | 2012-11-06 |
| 8270542 | Method for evaluating quality of read signal and apparatus for reading information | Takeshi Nakajima, Hiromichi Ishibashi, Shigeru Furumiya | 2012-09-18 |
| 8254234 | Information recording medium evaluation method, information recording medium, method for manufacturing information recording medium, signal processing method and access control apparatus | Kohei Nakata | 2012-08-28 |
| 8248902 | Reproduction signal evaluation method, reproduction signal evaluation unit, and optical disk device adopting the same | Yasumori Hino, Junya Shiraishi, Shoei Kobayashi | 2012-08-21 |
| 8243571 | Reproduced signal evaluating method, information recording medium, reproducing device, and recording device | Kiyotaka Ito, Yasumori Hino, Isao Kobayashi | 2012-08-14 |
| 8184515 | Phase error detecting device, waveform shaping device and optical disc device | Kohei Nakata | 2012-05-22 |