Inventor
OKUI TATSUYA
JP7 patents
⚠️ This page may combine multiple inventors who share the name “OKUI TATSUYA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO METAL IND
3 patentsUS7788957B2Sep 7, 2010
Apparatus for pipe end sizing and method for pipe end sizing
SUMITOMO METAL IND9 citations82
US7401486B2Jul 22, 2008
Die, method of manufacturing stepped metal pipe or tube, and stepped metal pipe or tube
SUMITOMO METAL IND3 citations61
US7765850B2Aug 3, 2010
Mechanical pipe-end expander and a method of manufacturing seamless steel pipe
SUMITOMO METAL IND4 citations59
OKUI TATSUYA
3 patentsUS8074482B2Dec 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