YW

Yoshikazu Wakashima

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #4,003,743 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4618406 Graphite-coated tube and process for producing the same Sachio Shimada 1986-10-21