Patents/Inventors

Hidehiro Arita

TokyoJP1 patent

2 Patents

US119697792024
Mandrel, Bent Tube, and Method and Apparatus for Producing Bent Tube
Nippon Steel Corporation
0 cites
US115905472023
Method of Manufacturing Variable Wall Thickness Steel Pipe and Variable Wall Thickness Steel Pipe
NIPPON STEEL CORPORATION
0 cites