Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4635019 | Coil apparatus with divided windings | Yoshiaki Akachi | 1987-01-06 |
| 4617543 | Coil bobbin | Yoshiaki Akachi, Yasuo Kyoso | 1986-10-14 |
TM
Takeo Matsumaru
Overall (All Time): #2,340,189 of 4,157,543Top 60%
2
Patents All Time