KK

Kingo Kiyonaga

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
📍 Yonago, JP: #82 of 127 inventorsTop 65%
Overall (All Time): #4,118,059 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4218243 Fully martensitic steel for a metal mold for molding glass and the metal mold Toshio Okuno, Kenji Tokuda 1980-08-19