KF

Katsuhisa Fujikawa

NS Nippon Soken: 1 patents #783 of 1,540Top 55%
Overall (All Time): #4,048,131 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4371835 RPM Detection system for internal combustion engine Yoshiyuki Kago, Sigeyuki Akita 1983-02-01