KY

Katsunobu Yamamoto

HI Hitachi: 1 patents #17,742 of 28,497Top 65%
📍 Gyōda, JP: #357 of 565 inventorsTop 65%
Overall (All Time): #4,089,092 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4266328 Developing roll for use in electrostatic developing apparatus employing magnetic particles Hideki Harada, Keitaro Yamashita 1981-05-12