Ibaraki; Nobuhiko

Patent Applications and Registrations

Patent applications and USPTO patent grants for Ibaraki; Nobuhiko.The latest application filed is for "steel wire for hard drawn spring excellent in fatigue strength and resistance to settling, and hard drawn spring".

Company Profile

0.10.8

Ibaraki; Nobuhiko - Kobe JP
Ibaraki; Nobuhiko - Hyogo JP
Ibaraki; Nobuhiko - Kobe-shi JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Steel wire for high strength spring excellent in workability and high strength Grant 8,007,716 - Suda , et al. August 30, 2	2011-08-30
Spring produced by a process comprising coiling a hard drawn steel wire excellent in fatigue strength and resistance to setting Grant 7,763,123 - Suda , et al. July 27, 2	2010-07-27
Steel Wire For Hard Drawn Spring Excellent In Fatigue Strength And Resistance To Settling, And Hard Drawn Spring App 20090283181 - SUDA; Sumie ; et al.	2009-11-19
Spring steel excellent in sag resistance and fatigue property Grant 7,615,186 - Suda , et al. November 10, 2	2009-11-10
Steel wire for hard drawn spring excellent in fatigue strength and resistance to settling, and hard drawn spring and method of making thereof Grant 7,597,768 - Suda , et al. October 6, 2	2009-10-06
High-strength bolt superior in delayed fracture and resistance and relaxation resistance App 20070187003 - Takashima; Mitsuo ; et al.	2007-08-16
Steel for spring being excellent in resistance to setting and fatigue characteristics App 20070163680 - Suda; Sumie ; et al.	2007-07-19
Steel wire for high strength spring excellent in workability and high strength spring App 20060201588 - Suda; Sumie ; et al.	2006-09-14
Steel wire rod for hard drawn spring, drawn wire rod for hard drawn spring and hard drawn spring, and method for producing hard drawn spring Grant 7,074,282 - Ibaraki , et al. July 11, 2	2006-07-11
Steel wire for hard drawn spring excellent in fatigue strength and resistance to settling, and hard drawn spring App 20050173028 - Suda, Sumie ; et al.	2005-08-11
High-strength steel wire excelling in resistance to strain aging embrittlement and longitudinal cracking, and method for production thereof Grant 6,800,147 - Nagao , et al. October 5, 2	2004-10-05
Wire rod for drawing superior in twisting characteristics and method for production thereof Grant 6,645,319 - Nagao , et al. November 11, 2	2003-11-11
Method for manufacturing high strength bolt excellent in resistance to delayed fracture and to relaxation Grant 6,605,166 - Koike , et al. August 12, 2	2003-08-12
High-strength steel wire excelling in resistance to strain aging embrittlement and longitudinal cracking, and method for production thereof App 20030066575 - Nagao, Mamoru ; et al.	2003-04-10
Method for manufacturing high strength bolt excellent in resistance to delayed fracture and to relaxation App 20020179207 - Koike, Seiichi ; et al.	2002-12-05
Wire rod for drawing superior in twisting characteristics and method for production thereof App 20020084003 - Nagao, Mamoru ; et al.	2002-07-04
Spring steel superior in workability Grant 6,372,056 - Kuroda , et al. April 16, 2	2002-04-16
Spring steel with excellent resistance to hydrogen embrittlement and fatigue Grant 5,776,267 - Nanba , et al. July 7, 1	1998-07-07

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