Issued Patents All Time
Showing 25 most recent of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9508378 | Optical disk and optical disk reproduction device for reproducing same | Jae-Hyun Kim, Shuichi Tasaka, Sang-yeal Park, Chang-hoon Son, Yukihiro Yamasaki +2 more | 2016-11-29 |
| 8526292 | Manufacturing method for optical recording medium, optical recording medium, optical information device, and information reproducing method | Yoshiaki Komma, Masahiko Tsukuda, Yasumori Hino | 2013-09-03 |
| 8526286 | Optical pick-up apparatus with diffractive optical element and optical recording/reproducing apparatus having the same | Seong Su Park, Yong-han Yoon, Jong Uk Kim, Ichiro Morishita | 2013-09-03 |
| 8451708 | Manufacturing method for optical recording medium, optical recording medium, optical information device, and information reproducing method | Yoshiaki Komma, Masahiko Tsukuda, Yasumori Hino | 2013-05-28 |
| 8409686 | Optical recording medium and method for manufacturing the same | Hiroyasu Inoue, Takashi Kikukawa, Koji Mishima, Yoshiaki Komma, Jun Nakano +2 more | 2013-04-02 |
| 8395980 | Optical head device, optical information device, and information processing device | Yoshiaki Komma, Yasumori Hino, Kousei Sano, Hideki Nakata, Keisuke Fujimoto +2 more | 2013-03-12 |
| 8369200 | Optical recording medium, and optical information device | Yoshiaki Komma, Masahiko Tsukuda, Yasumori Hino | 2013-02-05 |
| 8302119 | Optical information recording medium | Masahiko Tsukuda, Morio Tomiyama, Kenji Narumi, Yuuko Tomekawa, Haruhiko Habuta | 2012-10-30 |
| 8264944 | Manufacturing method for optical recording medium, optical recording medium, optical information device, and information reproducing method | Yoshiaki Komma, Masahiko Tsukuda, Yasumori Hino | 2012-09-11 |
| 8259551 | Optical recording medium, manufacturing method for optical recording medium, information recording/reproducing method and information recording/reproducing device | Yoshiaki Komma | 2012-09-04 |
| 8243111 | Optical disc label printer, thermosensitive recording printer and thermosensitive recording method | Fumitomo Yamasaki, Naohiro Kimura, Takashi Nishihara | 2012-08-14 |
| 8206805 | Optical recording medium, and method for producing optical recording medium | Yoshiaki Komma, Hiroyasu Inoue, Takashi Kikukawa, Koji Mishima, Jun Nakano +2 more | 2012-06-26 |
| 8208359 | Optical head, optical information recording and reproducing device, and optical information system device | Hideki Aikoh, Makoto Takashima, Eishin Mori, Kousei Sano, Kenichi Shinotani | 2012-06-26 |
| 8189452 | Manufacturing method for optical recording medium, optical recording medium, optical information device, and information reproducing method | Yoshiaki Komma, Masahiko Tsukuda, Yasumori Hino | 2012-05-29 |
| 8156515 | Optical recording medium and reproducing device | Takayuki Nagata, Hideki Aikoh | 2012-04-10 |
| 8130628 | Manufacturing method for optical recording medium, optical recording medium, optical information device, and information reproducing method | Yoshiaki Komma, Masahiko Tsukuda, Yasumori Hino | 2012-03-06 |
| 8081551 | Optical recording medium, and optical information device | Yoshiaki Komma, Masahiko Tsukuda, Yasumori Hino | 2011-12-20 |
| 8068403 | Optical head | Takayuki Nagata, Hideki Aikoh, Eishin Mori, Kousei Sano, Yoshiaki Komma +1 more | 2011-11-29 |
| 8054729 | Optical recording medium, and optical information device | Yoshiaki Komma, Masahiko Tsukuda, Yasumori Hino | 2011-11-08 |
| 8045426 | Optical head device, and recording and/or reproducing device | Eishin Mori, Kousei Sano, Hideki Aikoh | 2011-10-25 |
| 7965612 | Optical head, and information recording-and-regeneration apparatus | Eishin Mori, Akihiro Arai, Fumitomo Yamasaki | 2011-06-21 |
| 7952978 | Optical control device, optical information recording/reproducing device, optical information recording medium and optical head control method | Hideki Aikoh, Eishin Mori, Takayuki Nagata | 2011-05-31 |
| 7872952 | Optical disc drive | Akira Kurozuka, Shin-ichi Kadowaki, Osamu Kajino | 2011-01-18 |
| 7869331 | Optical head, control method for optical head, and optical information processing apparatus | Eishin Mori, Akihiro Arai, Hideki Aikoh | 2011-01-11 |
| 7848208 | Optical head device, aberration correction method and optical information processing apparatus | Eishin Mori, Hideki Aikoh, Kousei Sano | 2010-12-07 |