Inventor
YOSHIDA SHIGETSUGU
JP2 patents
Patents
2 patentsUS7597768B2Oct 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
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