Inventor

OHKITA SHIGERU

JP4 patents

Patents

4 patents

US6532995B1Mar 18, 2003

Super-high-strength line pipe excellent in low temperature toughness and production method thereof

NIPPON STEEL CORP28 citations91

US6159310ADec 12, 2000

Wire for welding high-chromium steel

NIPPON STEEL CORP14 citations71

US6428633B1Aug 6, 2002

Steel for welded structures and welding wire

NIPPON STEEL CORP11 citations70

US5514332AMay 7, 1996

Titanium for conductor conduit in superconducting coil

NIPPON STEEL CORP3 citations58