KM

Kousaku Murata

Sumitomo Electric Industries: 1 patents #327 of 1,127Top 30%
Overall (1989): #86,127 of 140,708Top 65%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4803242 Diaphragm for loudspeakers Satoshi Takayama, Hiroyuki Takewa, Shuji Saiki, Tsuneo Tanaka 1989-02-07