SY

Shouzo Yanagisawa

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
📍 Ibaraki, JP: #4,343 of 6,779 inventorsTop 65%
Overall (All Time): #3,993,679 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4581891 Exhaust emission control device for diesel engine Toshifumi Usui, Kazumi Iwai 1986-04-15