Issued Patents All Time
Showing 1–25 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9239028 | Crankcase structure of internal combustion engine | Koji Mori, Shuichi Imanari, Kohei Kato | 2016-01-19 |
| 8576764 | Communication apparatus and communication control method | Nami Takaoka, Yasutoyo Shimao, Masaaki KITAGAWA, Shinichirou Adachi | 2013-11-05 |
| 7982984 | Magnetic transfer master carrier, magnetic transfer method, and magnetic recording medium | Yoichi Nishida, Hideyuki Kubota, Masakazu Nishikawa, Ryuji Sugita, Takashi Komine | 2011-07-19 |
| 7974028 | Magnetic transfer master carrier and magnetic transfer method | Yoichi Nishida, Hideyuki Kubota, Ryuji Sugita, Takashi Komine | 2011-07-05 |
| 7965535 | Electrode master for ferroelectric recording and method for recording on ferroelectric recording medium | — | 2011-06-21 |
| 7667908 | Magnetic transfer method for perpendicular magnetic recording medium, perpendicular magnetic recording medium, and magnetic recording apparatus | Toshihide Ishioka | 2010-02-23 |
| 7663827 | Method of initializing perpendicular magnetic recording medium, perpendicular magnetic recording medium and magnetic recording apparatus | Satoshi Wakamatsu, Toshihide Ishioka, Atsushi Morooka | 2010-02-16 |
| 7593175 | Magnetic transfer method, magnetic transfer apparatus, magnetic recording medium and magnetic record reproduction system | Naoto Fujiwara | 2009-09-22 |
| 7532420 | Master disk for magnetic transfer, magnetic recording medium and magnetic recording apparatus | Minoru Araki, Satoshi Wakamatsu, Kenji Ichikawa | 2009-05-12 |
| 7522362 | Amplitude servo pattern, magnetic recording medium and the manufacturing method, patterned magnetic transfer master substrate used in the manufacturing method, and magnetic recording/reproducing apparatus | Takashi Komine, Ryuji Sugita, Tadashi Yasunaga | 2009-04-21 |
| 7440207 | Magnetic-transfer method, magnetic recording medium, and magnetic recording device | Satoshi Wakamatsu, Minoru Araki, Kazunori Komatsu | 2008-10-21 |
| 7385774 | Master information carrier for magnetic transfer, magnetic transfer method, and magnetic recording medium | Masakazu Nishikawa | 2008-06-10 |
| 7365926 | Signal processing method of magnetic recording medium and magnetic record reproduction apparatus | Tadashi Yasunaga | 2008-04-29 |
| 6977786 | Information recording method using a vertical magnetic system | Kazuyuki Usuki, Masakazu Nishikawa | 2005-12-20 |
| 6906875 | Magnetic transfer device | Akito Kamatani, Masakazu Nishikawa, Kazunori Komatsu, Tsuneo Inui, Kazuhiro Niitsuma | 2005-06-14 |
| 6865038 | Magnetic transferring method, and method and apparatus for cleaning magnetic transfer master medium | Masakazu Nishikawa | 2005-03-08 |
| 6833173 | Floppy disk including a seed layer and a primer layer with specified relative properties | Masakazu Nishikawa | 2004-12-21 |
| 6829201 | Magnetic information recording medium having regions magnetized in different directions, a method for recording and reproducing for the same, and a method of manufacturing the same | Masakazu Nishikawa, Kazuyuki Usuki, Yoshihisa Usami | 2004-12-07 |
| 6794062 | Magnetic transfer master medium | Hisashi Tsubata | 2004-09-21 |
| 6759183 | Master medium for magnetic transfer including metal disk with relief or recess pattern | Seiichi Watanabe, Masakazu Nishikawa | 2004-07-06 |
| 6735026 | Method of magnetically transferring information signal from master medium to slave medium | Masakazu Nishikawa | 2004-05-11 |
| 6731440 | Method and apparatus for magnetic transfer | Kazunori Komatsu, Masakazu Nishikawa | 2004-05-04 |
| 6643079 | Method and apparatus for magnetic transfer | Kazunori Komatsu, Masakazu Nishikawa | 2003-11-04 |
| 6636371 | Magnetic transfer method and system | Kazunori Komatsu, Masakazu Nishikawa | 2003-10-21 |
| 6602301 | Method and apparatus for magnetic transfer | Kazunori Komatsu, Masakazu Nishikawa | 2003-08-05 |