Inventor

KUNITAKE TATSURO

2 patents

Patents

2 patents

US4102711AJul 25, 1978

Method of producing a tube of ultra-high strength steel having remarkably improved ductility and toughness

SUMITOMO METAL IND10 citations69

US4344801AAug 17, 1982

Heavy thick high-strength casting having improved weldability and impact properties

SUMITOMO METAL IND1 citations48