JU

Jyoji Umeda

RY Ryobi: 1 patents #160 of 309Top 55%
📍 Fuchu, JP: #592 of 926 inventorsTop 65%
Overall (All Time): #3,881,282 of 4,157,543Top 95%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5033530 High pressure casting sand core and method of manufacturing the same Yoshiaki Egoshi, Yasuhiro Sugioka 1991-07-23