Issued Patents All Time
Showing 25 most recent of 93 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7352658 | Method for recording information data to a recording medium by irradiation with a light beam and application of a magnetic field | Katsusuke Shimazaki, Fumiyoshi Kirino | 2008-04-01 |
| 7113453 | Method for recording and reproduction on a magneto-optical recording medium | Katsusuke Shimazaki, Akiyoshi Ito, Katsuji Nakagawa, Kazuko Inoue | 2006-09-26 |
| 6904002 | Magneto-optical reproducing method using a plurality of different reproducing beams | Hiroyuki Awano, Katsusuke Shimazaki, Hiroki Takao, Akiyoshi Itou, Katsuji Nakagawa | 2005-06-07 |
| 6893746 | Magnetic recording medium with high thermal stability, method for producing the same, and magnetic recording apparatus | Fumiyoshi Kirino, Kouichirou Wakabayashi, Teruaki Takeuchi, Harumi Hieida, Masaki Sekine +5 more | 2005-05-17 |
| 6847590 | Magneto-optical recording medium including a calibration magnetic domain recorded in a predetermined pattern in a recording layer | Atsushi Yamaguchi, Naoyuki Takagi, Yoshiharu Uchihara, Satoshi Sumi, Hiroyuki Awano +2 more | 2005-01-25 |
| 6693854 | Reproducing method and reproducing apparatus for magneto-optical recording medium | Katsusuke Shimazaki, Susumu Imai, Hiroyuki Awano, Masafumi Yoshihiro, Hitoshi Watanabe +1 more | 2004-02-17 |
| 6671233 | Magneto-optical recording medium and reproduction method therefor | Katsusuke Shimazaki, Yoshitane Tsuburaya, Hitoshi Watanabe, Hiroki Takao | 2003-12-30 |
| 6633514 | Magneto-optical reproducing method using a plural of different reproducing beams | Hiroyuki Awano, Katsusuke Shimazaki, Hiroki Takao, Akiyoshi Itou, Katsuji Nakagawa | 2003-10-14 |
| 6628574 | Reproducing method and reproducing apparatus using plural light beam powers for transferring a magnetic domain | Katsusuke Shimazaki, Hitoshi Watanabe, Hiroyuki Awano, Masahumi Yoshihiro | 2003-09-30 |
| 6556516 | Reproducing method and reproducing apparatus for magneto-optical recording medium using different radiation patterns | Katsusuke Shimazaki, Susumu Imai, Hiroyuki Awano, Masafumi Yoshihiro, Hitoshi Watanabe +1 more | 2003-04-29 |
| 6501729 | Cartridge for information-recording media having deformable elastic pressing member urged by projection on shutter | Hitoshi Watanabe, Yoshitane Tsuburaya, Katsusuke Shimazaki, Satoru Ohnuki | 2002-12-31 |
| 6424601 | Magneto-optical recording media having an auxiliary magnetic layer | Satoru Oonuki, Masafumi Yoshihiro, Nobuyuki Nagai, Katsusuke Shimazaki, Hiroyuki Awano +3 more | 2002-07-23 |
| 6404705 | Magneto-optical disk apparatus having an adjustment mechanism for setting the position of magnetic heads | Hitoshi Watanabe, Masashi Suenaga | 2002-06-11 |
| 6388954 | Magneto-optical recording medium having clock-marks on recording layer and apparatus for recording and reproducing same | Hiroyuki Awano, Katsusuke Shimazaki, Hiroki Takao, Akiyoshi Itou, Katsuji Nakagawa +3 more | 2002-05-14 |
| 6385140 | Magneto-optical recording medium and reproducing method for reproducing magnetic domain in enlarged form on a reproducing layer | Satoru Ohnuki, Katsusuke Shimazaki, Masafumi Yoshihiro, Hiroki Takao, Hitoshi Watanabe | 2002-05-07 |
| 6339583 | Cartridge for information-recording media having deformable elastic member on shutter | Hitoshi Watanabe, Yoshitane Tsuburaya, Katsusuke Shimazaki, Satoru Ohnuki | 2002-01-15 |
| 6301199 | Magneto-optical recording medium and recording/reproducing apparatus therefor in which recorded magnetic domains are transferred from the recording layer to the reproducing layer | Atsushi Yamaguchi, Naoyuki Takagi, Yoshiharu Uchihara, Satoshi Sumi, Hiroyuki Awano +2 more | 2001-10-09 |
| 6246640 | Magneto-optical recording medium capable of recording multiple value signals | Katsusuke Shimazaki, Masafumi Yoshihiro, Akito Sakemoto, Osamu Ishizaki, Satoru Ohnuki +2 more | 2001-06-12 |
| 6226234 | Magneto-optic recording medium and reproducing method for reproducing magnetic domain in enlarged form on a reproducing layer | Satoru Ohnuki, Katsusuke Shimazaki, Masafumi Yoshihiro, Hiroki Takao, Hitoshi Watanabe | 2001-05-01 |
| 6200673 | Magneto-optical recording medium | Harukazu Miyamoto, Toshio Niihara, Motoyasu Terao, Masaaki Kurebayashi | 2001-03-13 |
| 6122228 | Magneto-optical recording medium and reproduction method therefor | Katsusuke Shimazaki, Yoshitane Tsuburaya, Hitoshi Watanabe, Hiroki Takao | 2000-09-19 |
| 6101153 | Magnetic head capable of generating multi-stepped external magnetic fields for magneto-optical recording device | Katsusuke Shimazaki, Masafumi Yoshihiro, Akito Sakemoto, Osamu Ishizaki, Satoru Ohnuki +2 more | 2000-08-08 |
| 6061307 | Magneto-optical recording medium having a plurality of magnetic layers | Katsusuke Shimazaki, Masafumi Yoshihiro, Akito Sakemoto, Osamu Ishizaki, Satoru Ohnuki +2 more | 2000-05-09 |
| 6030707 | Display substrate, conductor, and insulator | Toshihiro Katoh, Takao Kuriyama, Tatsuya Takei, Takashi Kawai, Hiroshi Murakami +2 more | 2000-02-29 |
| 5965286 | Magneto-optical recording medium | Satoru Ohnuki, Katsusuke Shimazaki, Hideo Fujiwara, Masafumi Yoshihiro, Noriyuki Ogihara +1 more | 1999-10-12 |