Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4521323 | Polycrystalline ferrite and a magnetic head using the same | Ken Hirota, Yoshiaki Fujimoto, Kouichi Watanabe | 1985-06-04 |
MS
Minoru Sugimura
Overall (All Time): #4,016,137 of 4,157,543Top 100%
1
Patents All Time