Issued Patents All Time
Showing 51–75 of 91 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7651807 | Fuel cell system | Kenji Kibune, Shinichiro Imura, Hiroki Kabumoto | 2010-01-26 |
| 7586833 | Magneto-optical recording medium | Takeshi Miki | 2009-09-08 |
| 7580335 | Recording apparatus and method, and disk producing method | Naoki Ide | 2009-08-25 |
| 7433276 | Domain wall displacement detection system magneto-optical recording medium and its manufacturing method | Takeshi Miki | 2008-10-07 |
| 7423939 | Method for manufacturing magneto-optical recording medium | Takeshi Miki, Kazuhiko Fujiie, Yasuhito Tanaka, Tetsuhiro Sakamoto | 2008-09-09 |
| 7416808 | Fuel cell apparatus including manifolds therein | Hiroki Kabumoto, Masaya Yano | 2008-08-26 |
| 7257076 | Magneto-optical recording medium | Takeshi Miki | 2007-08-14 |
| 7075881 | Signal recording/playback apparatus, and recording compensation method and playback method used therefor | Tetsuhiro Sakamoto | 2006-07-11 |
| 7060373 | Magneto-optical recording medium and signal reproduction method | Tetsuhiro Sakamoto, Kazutomo Miyata, Teruyuki Ota, Makoto Watanabe, Yasuhito Tanaka +2 more | 2006-06-13 |
| 7038998 | Optical recording disk having land and groove wobbled at outer circumference side | Tetsuhiro Sakamoto | 2006-05-02 |
| 6845074 | Information readout apparatus and information readout method | — | 2005-01-18 |
| 6751166 | Phase error detection method for magnetic wall displacement type of magneto-optical recording device | Tetsuhiro Sakamoto, 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 | Tetsuhiro Sakamoto | 2004-05-04 |
| 6678223 | Frequency demodulating circuit, optical disk apparatus thereof and preformating device | Minoru Tobita, Susumu Tosaka, Yoshikatsu Niwa, Shinichi Nakao | 2004-01-13 |
| 6590844 | Disc-shaped recording medium, disc recording and/or reproducing method and apparatus and tilt detection method | Masatoshi Kanno | 2003-07-08 |
| 6526007 | Recording medium driving device for rotationally driving a disk-shaped recording medium having tilt detection means and tilt detection method | — | 2003-02-25 |
| 6459669 | Information reproducing apparatus and information reproducing method | Kensuke Fujimoto | 2002-10-01 |
| 6385257 | Frequency demodulating circuit, optical disk apparatus thereof and preformating device | Minoru Tobita, Susumu Tosaka, Yoshikatsu Niwa, Shinichi Nakao | 2002-05-07 |
| 6320839 | Optical information recording medium, optical information recording method and optical information recording apparatus | Minoru Tobita, Shingo Imanishi | 2001-11-20 |
| 6310851 | Frequency demodulating circuit, optical disk apparatus thereof and preformating device | Minoru Tobita, Susumu Tosaka, Yoshikatsu Niwa, Shinichi Nakao | 2001-10-30 |
| 6282162 | Optical disc and optical disc driving device | Minoru Tobita, Satoshi Otsuka, Tamotsu Yamagami | 2001-08-28 |
| 6215758 | Recording medium | Hideyoshi Horimai, Minoru Tobita, Susumu Tosaka | 2001-04-10 |
| 6198711 | Equalizer for optical reproducing apparatus, using partial response method | Yoshiyuki Teraoka | 2001-03-06 |
| 6177150 | Photomagnetic recording medium and film forming method | Minehiro Tonosaki | 2001-01-23 |
| 6128272 | Recording medium | Hideyoshi Horimai, Minoru Tobita, Susumu Tosaka | 2000-10-03 |