YF

Yasushi Fukumura

Sumitomo Electric Industries: 1 patents #611 of 1,892Top 35%
Overall (1994): #50,240 of 165,921Top 35%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5346750 Porous substrate and conductive ink filled vias for printed circuits Akihito Hatakeyama, Hiroshi Sogo, Tamao Kojima, Yasuhiko Horio, Masahide Tsukamoto 1994-09-13