Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6455174 | Magnetic recording medium, recording and reproducing head, and magnetic recording and reproducing method | Hiroki Takao, Yuji Yamazaki, Hiroyuki Awano, Katsusuke Shimazaki | 2002-09-24 |
| 6434088 | Recording and reproducing apparatus having a magneto-optical head with an objective lens and laser-beam-permeable member | Osamu Ishizaki, Katsusuke Shimazaki, Toshinori Sugiyama, Masafumi Yoshihiro | 2002-08-13 |