Inventor
TAIRA TADAAKI
JP5 patents
Patents
5 patentsUS4152568AMay 1, 1979
Method of arc welding with reverse side cooling for obtaining highly tough large-diameter welded steel pipes
NIPPON KOKAN KK38 citations91
US4464209AAug 7, 1984
Clad steel pipe excellent in corrosion resistance and low-temperature toughness and method for manufacturing same
NIPPON KOKAN KK35 citations88
US4320277AMar 16, 1982
Thick welded steel pipe of large diameter and production thereof
NIPPON KOKAN KK21 citations78
US4339941AJul 20, 1982
Method and apparatus for producing thick welded steel pipe
NIPPON KOKAN KK14 citations69
US4373365AFeb 15, 1983
Up-set shrinker for producing thick wall steel pipe
NIPPON KOKAN KK4 citations58