KK

Kiyomasa Koukami

SI Sumitomo Heavy Industries: 2 patents #252 of 917Top 30%
Overall (All Time): #1,764,530 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11998969 Forming system Noboru ITAGAKI, Kei Yamauchi 2024-06-04
11752536 Expansion forming apparatus Kei Yamauchi, Eiji Kouyama 2023-09-12