Inventor
SAKAMOTO AKIHIRO
JP30 patents
⚠️ This page may combine multiple inventors who share the name “SAKAMOTO AKIHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIPPON STEEL & SUMITOMO METAL CORP
4 patentsUS10407758B2Sep 10, 2019
Steel for oil country tubular goods and method of producing the same
NIPPON STEEL & SUMITOMO METAL CORP2 citations71
US10626475B2Apr 21, 2020
Heat treatment apparatus, heat treatment method for steel workpiece, and hot bending method for steel workpiece
NIPPON STEEL & SUMITOMO METAL CORP0 citations42
US9909198B2Mar 6, 2018
Method for producing a low alloy steel for oil country tubular goods having excellent sulfide stress cracking resistance
NIPPON STEEL & SUMITOMO METAL CORP0 citations42
US10625321B2Apr 21, 2020
Cooling apparatus and cooling method for steel material
NIPPON STEEL & SUMITOMO METAL CORP0 citations40
NIPPON STEEL CORP
3 patentsUS11471923B2Oct 18, 2022
Production method of seamless steel pipe
NIPPON STEEL CORP0 citations47
US11511326B2Nov 29, 2022
Piercing machine, and method for producing seamless metal pipe using the same
NIPPON STEEL CORP0 citations42
US11344935B2May 31, 2022
Piercing machine, mandrel bar, and method for producing seamless metal pipe using the same
NIPPON STEEL CORP0 citations42
HITACHI LTD
2 patentsUS5717848AFeb 10, 1998
Method and apparatus for generating object motion path, method of setting object display attribute, and computer graphics system
HITACHI LTD170 citations97
US5680525AOct 21, 1997
Three-dimensional graphic system with an editor for generating a textrue mapping image
HITACHI LTD87 citations95