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Yasuhiro Yasaka

HI Hitachi: 1 patents #814 of 2,935Top 30%
KC Kansai Electric Power Co.: 1 patents #5 of 24Top 25%
Overall (1989): #41,609 of 140,708Top 30%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4870339 Variable-speed power generating system Yosio Furukawa, Osamu Nagura, Eiji Haraguchi, Hiroto Nakagawa, Yasuteru Oono 1989-09-26