KF

Kazutoshi Funaba

TW The Japan Steel Works: 1 patents #307 of 643Top 50%
Overall (All Time): #3,840,154 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5271602 Vacuum gate valve 1993-12-21