Issued Patents All Time
Showing 1–25 of 113 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11475918 | Recording state evaluation method, recording compensation method, and information recording/playback device | Yasushi Kobayashi, Kohei Nakata | 2022-10-18 |
| 10783923 | Data coding method and data coding device | Tsuyoshi Nakasendo, Kohei Nakata | 2020-09-22 |
| 10049697 | Write-once storage medium capable of recording data blocks on both land and groove of spiral track | Yoshihisa Takahashi, Akihito YOSHIMI, Kenji Takauchi, Motoshi Ito | 2018-08-14 |
| 9966097 | Optical recording medium having condition management area for managing the recording condition of management information | Yoshihisa Takahashi, Akihito YOSHIMI, Kenji Takauchi, Motoshi Ito | 2018-05-08 |
| 9959901 | Inspection method for optical disc | Harumitsu Miyashita, Junichi Minamino, Tsutomu Kai | 2018-05-01 |
| 9934815 | Optical disc apparatus and optical disc reproduction method | Kohei Nakata | 2018-04-03 |
| 9741383 | Optical disk recording method, optical disk apparatus, and optical disk medium | Kohei Nakata, Harumitsu Miyashita, Junichi Minamino, Yoshihisa Takahashi | 2017-08-22 |
| 9570102 | Information recording and reproducing apparatus and information recording and reproducing method | Isao Kobayashi, Kohei Nakata | 2017-02-14 |
| 9496985 | Decoding system and decoding method | Tsuyoshi Nakasendo, Kohei Nakata, Yuji Takagi | 2016-11-15 |
| 9244760 | Decoding apparatus and decoding method | Keisuke Fujimoto | 2016-01-26 |
| 9177596 | Decoding device and decoding method | Kohei Nakata, Yuji Takagi, Tsuyoshi Nakasendo | 2015-11-03 |
| RE45695 | Optical disc | Mitsuaki Oshima | 2015-09-29 |
| 9063871 | Decoding device and decoding method | Tsuyoshi Nakasendo, Kohei Nakata, Yuji Takagi | 2015-06-23 |
| 9042002 | Modulated signal detecting apparatus and modulated signal detecting method | Kiyotaka Ito | 2015-05-26 |
| 8953426 | Information reproducing apparatus and information reproducing method | Harumitsu Miyashita, Kohei Nakata | 2015-02-10 |
| 8879375 | Optical pickup and optical disk device | Kiyotaka Ito | 2014-11-04 |
| 8811140 | Recordable optical disc, recording device, and recording method | Yoshihiro Akimoto, Shoei Kobayashi, Motoshi Ito, Hiroyasu Inoue, Harukazu Miyamoto +3 more | 2014-08-19 |
| 8565054 | Optical recording medium, optical recording medium manufacturing method, reproduction signal processing method and evaluation method | Harumitsu Miyashita, Mamoru Shoji, Kiyotaka Itou | 2013-10-22 |
| 8526292 | Manufacturing method for optical recording medium, optical recording medium, optical information device, and information reproducing method | Yoshiaki Komma, Joji Anzai, Masahiko Tsukuda | 2013-09-03 |
| 8514682 | Reproduction signal evaluation method, reproduction signal evaluation unit, and optical disk device adopting the same | Harumitsu Miyashita, Junya Shiraishi, Shoei Kobayashi | 2013-08-20 |
| 8509044 | Recording medium and recording or reproducing apparatus therefor for recording or reproducing control information | Junya Shiraishi, Hiroyasu Inoue, Koichi Watanabe | 2013-08-13 |
| 8488433 | Modulated signal detecting apparatus and modulated signal detecting method | Kiyotaka Ito | 2013-07-16 |
| 8451708 | Manufacturing method for optical recording medium, optical recording medium, optical information device, and information reproducing method | Yoshiaki Komma, Joji Anzai, Masahiko Tsukuda | 2013-05-28 |
| 8446810 | Information recording medium having recording condition for adjusting the position of cooling pulse | Isao Kobayashi, Atsushi Nakamura | 2013-05-21 |
| 8400890 | Optical information recording medium, information recording apparatus, information reproducing apparatus, information recording method, information reproducing method and method for producing optical information recording medium | Atsushi Nakamura, Naoyasu Miyagawa, Kiyotaka Ito, Mamoru Shoji | 2013-03-19 |