Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4744339 | Centrifugal spark-advance control device | Shigeru Nagai, Hiromitsu Sato, Hideji Ohura, Masashi Kawamata, Masayuki Kumada | 1988-05-17 |
YS
Yasuhide Sakamoto
Overall (All Time): #3,951,878 of 4,157,543Top 100%
1
Patents All Time