| 6501729 |
Cartridge for information-recording media having deformable elastic pressing member urged by projection on shutter |
Hitoshi Watanabe, Yoshitane Tsuburaya, Katsusuke Shimazaki, Norio Ohta |
2002-12-31 |
| 6385140 |
Magneto-optical recording medium and reproducing method for reproducing magnetic domain in enlarged form on a reproducing layer |
Norio Ohta, Katsusuke Shimazaki, Masafumi Yoshihiro, Hiroki Takao, Hitoshi Watanabe |
2002-05-07 |
| 6366541 |
Optical recording medium with solid protective layer having self-lubricating property |
Toshinori Sugiyama, Masafumi Yoshihiro, Tsuyoshi Maro |
2002-04-02 |
| 6339583 |
Cartridge for information-recording media having deformable elastic member on shutter |
Hitoshi Watanabe, Yoshitane Tsuburaya, Katsusuke Shimazaki, Norio Ohta |
2002-01-15 |
| 6246640 |
Magneto-optical recording medium capable of recording multiple value signals |
Katsusuke Shimazaki, Masafumi Yoshihiro, Akito Sakemoto, Norio Ohta, Osamu Ishizaki +2 more |
2001-06-12 |
| 6226234 |
Magneto-optic recording medium and reproducing method for reproducing magnetic domain in enlarged form on a reproducing layer |
Norio Ohta, Katsusuke Shimazaki, Masafumi Yoshihiro, Hiroki Takao, Hitoshi Watanabe |
2001-05-01 |
| 6160769 |
Optical recording medium and optical recording device |
Toshinori Sugiyama, Masafumi Yoshihiro, Tsuyoshi Maro |
2000-12-12 |
| 6101153 |
Magnetic head capable of generating multi-stepped external magnetic fields for magneto-optical recording device |
Katsusuke Shimazaki, Masafumi Yoshihiro, Akito Sakemoto, Norio Ohta, Osamu Ishizaki +2 more |
2000-08-08 |
| 6061307 |
Magneto-optical recording medium having a plurality of magnetic layers |
Katsusuke Shimazaki, Masafumi Yoshihiro, Akito Sakemoto, Norio Ohta, Osamu Ishizaki +2 more |
2000-05-09 |
| 5965286 |
Magneto-optical recording medium |
Katsusuke Shimazaki, Norio Ohta, Hideo Fujiwara, Masafumi Yoshihiro, Noriyuki Ogihara +1 more |
1999-10-12 |
| 5783320 |
Magneto-optical recording medium and process for producing the same |
Katsusuke Shimazaki, Masatoshi Hashimoto, Yoshinori Shirai, Norio Ohta, Hideo Fujiwara +4 more |
1998-07-21 |
| 5639563 |
Magneto-optical recording medium |
Katsusuke Shimazaki, Norio Ohta, Hideo Fujiwara, Masafumi Yoshihiro, Noriyuki Ogihara +1 more |
1997-06-17 |
| 5637411 |
Magneto-optical recording medium and process for producing the same |
Katsusuke Shimazaki, Masatoshi Hashimoto, Yoshinori Shirai, Norio Ohta, Hideo Fujiwara +4 more |
1997-06-10 |