KW

Kazuhisa Watanabe

Sumitomo Electric Industries: 1 patents #327 of 1,127Top 30%
📍 Machida, TN: #1 of 1 inventorsTop 100%
Overall (1989): #89,434 of 140,708Top 65%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4812154 Method for producing glass preform for optical fiber Kiminobu Yoshida, Akio Shiomi 1989-03-14