Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4596971 | Magnetic circuit device | Yasuyuki Hirabayashi | 1986-06-24 |
HS
Hiroyuki Sono
Overall (All Time): #3,997,707 of 4,157,543Top 100%
1
Patents All Time