Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4735853 | Magnetic recording medium having an amorphous, nonmagnetic nickel-tungston-phosphorus underlayer | Hiroaki Okudaira, Hitoshi Oka, Yoshio Gobara, Nobuo Nakagawa | 1988-04-05 |