SY

Sigenori Yamaoka

SC Sumitomo Bakelite Co.: 1 patents #1 of 7Top 15%
Overall (1982): #30,630 of 81,411Top 40%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4353954 Flexible printed circuit base board and method for producing the same Akinobu Kusuhara, Toshinaga Endo 1982-10-12