Inventor
SUDA SUMIE
JP8 patents
⚠️ This page may combine multiple inventors who share the name “SUDA SUMIE”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KOBE STEEL LTD
7 patentsUS7615186B2Nov 10, 2009
Spring steel excellent in sag resistance and fatigue property
KOBE STEEL LTD11 citations82
US7597768B2Oct 6, 2009
Steel wire for hard drawn spring excellent in fatigue strength and resistance to settling, and hard drawn spring and method of making thereof
KOBE STEEL LTD10 citations82
US7608130B2Oct 27, 2009
Method for producing high cleanliness steel excellent in fatigue strength or cold workability
KOBE STEEL LTD6 citations71
US7429301B2Sep 30, 2008
Ultra clean spring steel
KOBE STEEL LTD6 citations61
US7763123B2Jul 27, 2010
Spring produced by a process comprising coiling a hard drawn steel wire excellent in fatigue strength and resistance to setting
KOBE STEEL LTD4 citations60
US7615099B2Nov 10, 2009
Method for producing high cleanness steel excellent in fatigue strength or cold workability
KOBE STEEL LTD2 citations60
US8007716B2Aug 30, 2011
Steel wire for high strength spring excellent in workability and high strength
KOBE STEEL LTD1 citations46