Issued Patents All Time
Showing 1–25 of 152 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9099105 | Disk-shaped information recording medium, disk cartridge and information recording and reproducing apparatus | Yoshihiro Kawasaki, Shuji Tabuchi, Hidemi Isomura, Kazuya Hisada | 2015-08-04 |
| D734341 | Optical disk | Shuji Tabuchi, Yoshihiro Kawasaki | 2015-07-14 |
| 9015735 | Disk-shaped information recording medium, disk cartridge, and information recording/reproducing apparatus | Shuji Tabuchi, Yoshihiro Kawasaki, Hidemi Isomura | 2015-04-21 |
| 8930974 | Disk-shaped information recording medium, disk cartridge, and information recording/reproducing apparatus | Shuji Tabuchi, Yoshihiro Kawasaki, Hidemi Isomura | 2015-01-06 |
| RE44808 | Optical disc drive, optical storage medium, optical storage medium inspection apparatus, and optical storage medium inspection method | Shin-ichi Kadowaki, Atsushi Nakamura, Takashi Ishida | 2014-03-18 |
| 8565054 | Optical recording medium, optical recording medium manufacturing method, reproduction signal processing method and evaluation method | Harumitsu Miyashita, Yasumori Hino, Kiyotaka Itou | 2013-10-22 |
| 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, Yasumori Hino | 2013-03-19 |
| 8295135 | Optical disc, optical disc manufacturing method, optical disc recording device and optical disc reproduction device | Masaru Yamaoka, Keiji Nishikiori, Makoto Usui, Mitsuro Moriya | 2012-10-23 |
| 8270258 | Recording power determination method and device | Yasumori Hino, Takahiro Sato, Yuu Okada | 2012-09-18 |
| 8270285 | Optical disc, optical disc manufacturing method, optical disc recording device and optical disc reproduction device | Masaru Yamaoka, Keiji Nishikiori, Makoto Usui, Mitsuro Moriya | 2012-09-18 |
| 8233362 | Information recording medium, method for recording information on information recording medium, method for reproducing information from information recording medium and method for producing information recording medium | Kiyotaka Ito, Yasumori Hino, Atsushi Nakamura, Naoyasu Miyagawa, Motoshi Ito | 2012-07-31 |
| 8144566 | Information recording medium and information recording apparatus | Kiyotaka Ito | 2012-03-27 |
| 8125675 | Labeling method, recording method, labeling apparatus, recording apparatus and recording medium | Toyoji Gushima, Akira Muto, Takeshi Nakajima | 2012-02-28 |
| 8121002 | Multi-layered information recording medium, recording apparatus, and recording method | Motoshi Ito, Takashi Ishida, Hiroshi Ueda, Yoshikazu Yamamoto | 2012-02-21 |
| 8045445 | Information recording medium, integrated circuit, recording/playback apparatus, computer program, and information recording/playback method | Takashi Ishida, Kohei Nakata | 2011-10-25 |
| 8040785 | Optical disc, optical disc manufacturing method, optical disc recording device and optical disc reproduction device | Masaru Yamaoka, Keiji Nishikiori, Makoto Usui, Mitsuro Moriya | 2011-10-18 |
| 8023380 | Optical data recording method | Kenji Koishi, Atsushi Nakamura, Takashi Ishida, Shuichi Tasaka | 2011-09-20 |
| 8009529 | Multi-layered information recording medium, reproduction apparatus, recording apparatus, reproduction method, and recording method | Hiroshi Ueda, Motoshi Ito, Takashi Ishida, Yoshikazu Yamamoto | 2011-08-30 |
| 8000197 | Recording/reproducing device, recording condition adjusting device and recording/reproducing method | Yasumori Hino, Harumitsu Miyashita, Isao Kobayashi | 2011-08-16 |
| 7965591 | Information recording medium, integrated circuit, recording/playback apparatus, computer program, and information recording/playback method | Takashi Ishida, Kohei Nakata | 2011-06-21 |
| 7965592 | Information recording medium, integrated circuit, recording/playback apparatus, computer program, and information recording/playback method | Takashi Ishida, Kohei Nakata | 2011-06-21 |
| 7965593 | Information recording medium, integrated circuit, recording/playback apparatus, computer program, and information recording/playback method | Takashi Ishida, Kohei Nakata | 2011-06-21 |
| 7957253 | Multiple recording layers optical disc having physical position information of pre-recording marks | Masaru Yamaoka, Kenji Kondo, Keiji Nishikiori | 2011-06-07 |
| 7944786 | Optical disc apparatus and recording power determining method thereof | Shuichi Tasaka, Eiichi Igami, Kenji Koishi | 2011-05-17 |
| 7924695 | Information recording medium, recording apparatus, reproduction apparatus, recording method, and reproduction method | Takashi Ishida, Motoshi Ito, Hiroshi Ueda, Yoshikazu Yamamoto, Atsushi Nakamura | 2011-04-12 |