KF

Kiyotake Fukui

Sumitomo Electric Industries: 1 patents #327 of 1,127Top 30%
Overall (1989): #87,302 of 140,708Top 65%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4806876 High frequency amplifier circuit Akira Usui, Seiji Sakashita, Hiroyuki Nagai 1989-02-21