Issued Patents All Time
Showing 25 most recent of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9536543 | Information processing device, storage medium, and method | Kimu Higashimoto, Junko Saito | 2017-01-03 |
| 8634287 | Method for manufacturing read-only optical disc medium and read-only optical disc medium | Jun Nakano, Takayuki Asahina, Etsuo Shibasaki, Hideo Kawachi | 2014-01-21 |
| 8565057 | Multilayer optical recording medium | Hirotaka Miyamoto, Jun Nakano, Kouichi Yasuda | 2013-10-22 |
| 8526284 | Multilayer optical recording medium with interfacial surfaces | — | 2013-09-03 |
| 8462608 | Read-only optical recording medium | Jun Nakano, Takehide Endo, Naoki Okawa | 2013-06-11 |
| 8379503 | Optical information recording reproduction apparatus and optical information recording reproduction method | Hisayuki Yamatsu | 2013-02-19 |
| 8305870 | Optical information recording method, optical information reproducing method, optical information recording apparatus, and optical information recording and reproducing apparatus | Hisayuki Yamatsu | 2012-11-06 |
| 8187689 | Optical recording medium having write once metal reflective film | Jun Nakano, Naoki Okawa, Junichi Nakai, Yuki Tauchi | 2012-05-29 |
| 7972673 | Optical recording medium | Takashi Shimouma, Shigeki Takagawa, Jun Nakano, Goro Fujita | 2011-07-05 |
| 7911929 | Optical disk read only memory | Jun Nakano, Takayuki Asahina, Hideo Kawachi, Yoshitake Yanagisawa, Makoto Tsukahara +1 more | 2011-03-22 |
| 7843796 | Optical information recording medium and method of marking BCA (burst cutting area) into the same | Jun Nakano, Yuki Tauchi, Junichi Nakai | 2010-11-30 |
| 7790263 | Ag alloy reflective film for optical information recording medium, optical information recording medium and Ag alloy sputtering target for forming Ag alloy reflective film for optical information recording medium | Jun Nakano, Junichi Nakai, Yuki Tauchi | 2010-09-07 |
| 7720766 | Digital data selling and buying transaction system, auxiliary digital data selling and buying system, digital data selling and buying transaction method, auxiliary digital data selling and buying method, and digital data selling and buying transaction apparatus | — | 2010-05-18 |
| 7517436 | Magneto-optical recording medium and manufacturing method thereof | Kazutomo Miyata | 2009-04-14 |
| 7423939 | Method for manufacturing magneto-optical recording medium | Takeshi Miki, Kazuhiko Fujiie, Yasuhito Tanaka, Goro Fujita | 2008-09-09 |
| 7138164 | Optical recording medium | Toshitsugu Ono, Hirofumi Kondo | 2006-11-21 |
| 7075881 | Signal recording/playback apparatus, and recording compensation method and playback method used therefor | Goro Fujita | 2006-07-11 |
| 7060373 | Magneto-optical recording medium and signal reproduction method | Kazutomo Miyata, Teruyuki Ota, Makoto Watanabe, Yasuhito Tanaka, Goro Fujita +2 more | 2006-06-13 |
| 7038998 | Optical recording disk having land and groove wobbled at outer circumference side | Goro Fujita | 2006-05-02 |
| 6944100 | Method for reproducing information data from a magneto-optical storage medium in reverse direction with recording | Yasuhito Tanaka, Kazuhiko Fujiie | 2005-09-13 |
| 6869655 | Optical recording medium | Toshitsugu Ono, Hirofumi Kondo | 2005-03-22 |
| 6751166 | Phase error detection method for magnetic wall displacement type of magneto-optical recording device | Goro Fujita, Minoru Tobita | 2004-06-15 |
| 6731589 | Substrate for optical recording media, optical recording medium, manufacturing process for optical recording media, and optical recording/reproducing method | Goro Fujita | 2004-05-04 |
| 6613396 | Optical disc and method for manufacturing same | Masato Nishida, Toshiyuki Kashiwagi, Motohiro Furuki | 2003-09-02 |
| 6353592 | Optical recording medium and optical disk device | Toshiyuki Kashiwagi, Kiyoshi Ohsato | 2002-03-05 |