Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6977786 | Information recording method using a vertical magnetic system | Kazuyuki Usuki, Masakazu Nishikawa | 2005-12-20 |
| 6906875 | Magnetic transfer device | Akito Kamatani, Masakazu Nishikawa, Kazunori Komatsu, Tsuneo Inui, Kazuhiro Niitsuma | 2005-06-14 |
| 6865038 | Magnetic transferring method, and method and apparatus for cleaning magnetic transfer master medium | Masakazu Nishikawa | 2005-03-08 |