Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7147943 | Magnetic recording medium, the manufacturing method and magnetic recording apparatus using the same | Toshinori Ono, Yuuichi Kokaku, Hiroyuki Matsumoto, Hiroshi Tani, Mitsuhiro Shoda +4 more | 2006-12-12 |
| 7045175 | Magnetic recording medium and method for manufacturing the same | Shigehiko Fujimaki, Yuuichi Kokaku, Toshinori Ono | 2006-05-16 |
| 6740414 | Magnetic recording media and magnetic recording apparatus used thereof | — | 2004-05-25 |