Inventor
SUGIMURA TOMOKO
JP16 patents
⚠️ This page may combine multiple inventors who share the name “SUGIMURA TOMOKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KOBE STEEL LTD
10 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
US11691227B2Jul 4, 2023
Solid wire for electroslag welding, and welding joint
KOBE STEEL LTD0 citations59
US7666350B2Feb 23, 2010
Low carbon composite free-cutting steel product excellent in roughness of finished surface and method for production thereof
KOBE STEEL LTD5 citations59
US9725779B2Aug 8, 2017
Si-killed steel wire rod and spring
KOBE STEEL LTD0 citations51
US12558745B2Feb 24, 2026
Flux for electroslag welding and electroslag welding method
KOBE STEEL LTD0 citations50
US11577346B2Feb 14, 2023
Wire for electroslag welding, flux for electroslag welding and welded joint
KOBE STEEL LTD0 citations47
US9359661B2Jun 7, 2016
Bearing steel material with excellent rolling fatigue property and bearing part
KOBE STEEL LTD0 citations45
SUGIMURA TOMOKO
5 patentsUS9290822B2Mar 22, 2016
Si-killed steel wire rod and spring
SUGIMURA TOMOKO0 citations49
US9062361B2Jun 23, 2015
Si-killed steel wire rod and spring excellent in fatigue properties
SUGIMURA TOMOKO0 citations49
US8613809B2Dec 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