Inventor
KUMON HIROSHI
3 patents
Patents
3 patentsUS4023613AMay 17, 1977
Method of making a composite metal casting
TOYO KOGYO CO111 citations91
US4005991AFeb 1, 1977
Metal made of steel plate and aluminum material
TOYO KOGYO CO42 citations87
US4042385AAug 16, 1977
Sintering method for making a high carbon ferrous sliding element
TOYO KOGYO CO4 citations53