Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4999220 | Method for manufacturing perpendicular magnetic recording medium | Kazuyoshi Honda, Ryuji Sugita, Kiyokazu Tohma, Yoshiki Murakami | 1991-03-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4999220 | Method for manufacturing perpendicular magnetic recording medium | Kazuyoshi Honda, Ryuji Sugita, Kiyokazu Tohma, Yoshiki Murakami | 1991-03-12 |