Chijiiwa; Rikio

Patent Applications and Registrations

Patent applications and USPTO patent grants for Chijiiwa; Rikio.The latest application filed is for "steel for welding".

Company Profile

0.12.8

Chijiiwa; Rikio - Futtsu JP
Chijiiwa; Rikio - Kawasaki N/A JP
Chijiiwa; Rikio - Chiba JP
CHIJIIWA; Rikio - Tokyo JP
Chijiiwa; Rikio - Kawasaki-shi JP
Chijiiwa; Rikio - Kimitsu JP
Chijiiwa; Rikio - Kanagawa 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 for welding Grant 9,403,242 - Fukunaga , et al. August 2, 2	2016-08-02
Steel for welded structure and producing method thereof Grant 8,920,713 - Watanabe , et al. December 30, 2	2014-12-30
Steel For Welding App 20140328716 - Fukunaga; Kazuhiro ; et al.	2014-11-06
Steel for welded structure and producing method thereof Grant 8,668,784 - Watanabe , et al. March 11, 2	2014-03-11
Steel For Welded Structure And Producing Method Thereof App 20140065008 - WATANABE; Yoshiyuki ; et al.	2014-03-06
Steel superior in CTOD properties of weld heat-affected zone and method of production of same Grant 8,361,248 - Chijiiwa , et al. January 29, 2	2013-01-29
Steel For Welded Structure And Producing Method Thereof App 20120027637 - Watanabe; Yoshiyuki ; et al.	2012-02-02
Method of production of 780 MPa class high strength steel plate excellent in low temperature toughness Grant 7,918,948 - Fukunaga , et al. April 5, 2	2011-04-05
Method of production of steel for welded structures excellent in low temperature toughness of weld heat affected zone Grant 7,857,917 - Fukunaga , et al. December 28, 2	2010-12-28
Method Of Production Of 780 Mpa Class High Strength Steel Plate Excellent In Low Temperature Toughness App 20100206440 - Fukunaga; Kazuhiro ; et al.	2010-08-19
Steel Superior In Ctod Properties Of Weld Heat-affected Zone And Method Of Production Of Same App 20100008815 - Chijiiwa; Rikio ; et al.	2010-01-14
Steel For Welded Structures Excellent In Low Temperature Toughness Of Weld Heat Affected Zone And Method Of Production Of Same App 20070193664 - Fukunaga; Kazuhiro ; et al.	2007-08-23
Line pipe metal arc welded with wire alloy Grant 5,723,089 - Chijiiwa , et al. March 3, 1	1998-03-03
Method for producing steel materials for large heat-input welding Grant 3,904,447 - Gondo , et al. September 9, 1	1975-09-09

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