Assignee
OKUI TATSUYA
JP3 patents
Top patents by PatentIndex Score
US8074482B2Dec 13, 2011
Plug for cold drawing and method for manufacturing of metal pipe
OKUI TATSUYA7 citations80
US8166789B2May 1, 2012
Pipe or tube reducing mill and roll for reducing mill
OKUI TATSUYA1 citations48
US8079243B2Dec 20, 2011
Plug, method of expanding inside diameter of metal pipe or tube using such plug, method of manufacturing metal pipe or tube, and metal pipe or tube
OKUI TATSUYA0 citations48