Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5353182 | Magnetic disk unit having magnetic disks and a magnetic head with a head slider which is in contact with surfaces of the magnetic disk | Takao Nakamura, Nobuya Sekiyama, Yoshiki Kato, Noriaki Okamoto, Masami Masuda | 1994-10-04 |
| 5285343 | Magnetic disk with surface protective layer having convex portions and magnetic disk apparatus including such a magnetic disk | Hideaki Tanaka, Kenichi Gomi, Shoichi Sawahata, Maki Kondo, Norikazu Tsumita +6 more | 1994-02-08 |
| 5280401 | Magnetic recording medium, method for producing same and magnetic recording apparatus | Youichi Inomata, Yoshiki Kato | 1994-01-18 |