Inventor
YOSHIDA ATSUHIKO
JP9 patents
⚠️ This page may combine multiple inventors who share the name “YOSHIDA ATSUHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KOBE STEEL LTD
5 patentsUS7608130B2Oct 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
US9441695B2Sep 13, 2016
High cleanliness spring steel and high cleanliness spring excellent in fatigue properties
KOBE STEEL LTD2 citations60
US7615099B2Nov 10, 2009
Method for producing high cleanness steel excellent in fatigue strength or cold workability
KOBE STEEL LTD2 citations60
US8052925B2Nov 8, 2011
Low carbon resulfurized free-machining steel having high machinability
KOBE STEEL LTD0 citations34
SUGIMURA TOMOKO
3 patentsUS8613809B2Dec 24, 2013
High cleanliness spring steel and high cleanliness spring excellent in fatigue properties
SUGIMURA TOMOKO0 citations48
US8187530B2May 29, 2012
Steel for high-cleanliness spring with excellent fatigue characteristics and high-cleanliness spring
SUGIMURA TOMOKO0 citations48
US8900381B2Dec 2, 2014
Spring steel and spring superior in fatigue properties
SUGIMURA TOMOKO0 citations46