YI

Yuji Ishihara

CL C.I. Kasei Company, Limited: 1 patents #17 of 42Top 45%
📍 Maebashi, JP: #271 of 470 inventorsTop 60%
Overall (All Time): #3,950,803 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4740404 Waterstop Shozo Otsugu, Michiyoshi Terauchi, Hiroharu Sasayama, Takashi Kushida 1988-04-26