Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4644316 | Positive temperature coefficient thermistor device | Michikazu Takeuchi | 1987-02-17 |
YI
Yoshiaki Ishizu
Overall (All Time): #3,968,611 of 4,157,543Top 100%
1
Patents All Time