Issued Patents 2002
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6501729 | Cartridge for information-recording media having deformable elastic pressing member urged by projection on shutter | Hitoshi Watanabe, Yoshitane Tsuburaya, Satoru Ohnuki, Norio Ohta | 2002-12-31 |
| 6455174 | Magnetic recording medium, recording and reproducing head, and magnetic recording and reproducing method | Hiroki Takao, Yuji Yamazaki, Susumu Imai, Hiroyuki Awano | 2002-09-24 |
| 6438073 | Magnetic lens, magnetic reproducing element, reproducing apparatus and reproducing method | Yoshitane Tsuburaya | 2002-08-20 |
| 6434088 | Recording and reproducing apparatus having a magneto-optical head with an objective lens and laser-beam-permeable member | Osamu Ishizaki, Toshinori Sugiyama, Masafumi Yoshihiro, Susumu Imai | 2002-08-13 |
| 6424601 | Magneto-optical recording media having an auxiliary magnetic layer | Satoru Oonuki, Masafumi Yoshihiro, Nobuyuki Nagai, Hiroyuki Awano, Hiroshi Shirai +3 more | 2002-07-23 |
| 6388954 | Magneto-optical recording medium having clock-marks on recording layer and apparatus for recording and reproducing same | Hiroyuki Awano, Hiroki Takao, Norio Ohta, 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, Norio Ohta, 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, Satoru Ohnuki, Norio Ohta | 2002-01-15 |