KH

Kenichi Hayama

KS Kobe Steel: 1 patents #857 of 2,031Top 45%
Overall (All Time): #3,976,517 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4673164 Sealing mechanism for a ball valve Sadayuki Nakanishi 1987-06-16