YI

Yoshitaka Ishikawa

SI Sumitomo Heavy Industries: 1 patents #4 of 49Top 9%
Overall (1989): #41,120 of 140,708Top 30%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4805695 Counterflow heat exchanger with floating plate Takeo Matsumoto 1989-02-21