Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4425400 | Magnetic recording medium | Nobutaka Yamaguchi, Nobuo Tsuji, Norio Nasu | 1984-01-10 |
MF
Masaaki Fujiyana
Overall (All Time): #4,027,825 of 4,157,543Top 100%
1
Patents All Time