Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5702821 | Magnetic recording medium comprising ferromagnetic powder and a specified polyurethane resin | Yuichiro Murayama, Masaki Satake, Hiroshi Hashimoto | 1997-12-30 |
| 5700541 | Magnetic recording medium | Toshio Ishida | 1997-12-23 |
| 5612134 | Magnetic recording medium having a carbon protective layer and a fluoro-lubricant supplied from a backcoat layer | Hideomi Watanabe, Toshio Ishida, Masaki Satake, Hiroshi Hashimoto | 1997-03-18 |
| 5607782 | Magnetic recording medium | Toshio Ishida, Masaki Satake | 1997-03-04 |