Inventor
YAMAMOTO SADAHIRO
JP3 patents
Patents
3 patentsUS5759299AJun 2, 1998
Rail having excellent resistance to rolling fatigue damage and rail having excellent toughness and wear resistance and method of manufacturing the same
NIPPON KOKAN KK38 citations90
US5676772AOct 14, 1997
High-strength, bainitic steel rail having excellent damage-resistance
NIPPON KOKAN KK18 citations81
US4528046AJul 9, 1985
Method of manufacturing austenitic stainless steel plates
NIPPON KOKAN KK14 citations71