NAGAI; Kotobu

Patent Applications and Registrations

Patent applications and USPTO patent grants for NAGAI; Kotobu.The latest application filed is for "welding equipment for metallic materials and method for welding metallic materials".

Company Profile

4.13.25

NAGAI; Kotobu - Ibaraki JP
Nagai; Kotobu - Tsukuba JP
Nagai; Kotobu - Tsukuba-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
Welding Equipment For Metallic Materials And Method For Welding Metallic Materials App 20190099829 - KANAI; Takahiko ; et al.	2019-04-04
Welding equipment for metallic materials and method for welding metallic materials Grant 10,189,112 - Kanai , et al. Ja	2019-01-29
Welding structural part and welding method of the same Grant 9,498,840 - Kanai , et al. November 22, 2	2016-11-22
Welding Equipment For Metallic Materials And Method For Welding Metallic Materials App 20150306696 - KANAI; Takahiko ; et al.	2015-10-29
Welding equipment for metallic materials and method for welding metallic materials Grant 9,079,266 - Kanai , et al. July 14, 2	2015-07-14
High-strength and high-ductility die-quenched parts and method of manufacturing the same Grant 8,932,416 - Nakanishi , et al. January 13, 2	2015-01-13
Welding Structural Part And Welding Method Of The Same App 20120129006 - Kanai; Takahiko ; et al.	2012-05-24
High-strength And High-ductility Die-quenched Parts And Method Of Manufacturing The Same App 20120118440 - Nakanishi; Eizaburou ; et al.	2012-05-17
Welding Equipment For Metallic Materials And Method For Welding Metallic Materials App 20110303655 - Kanai; Takahiko ; et al.	2011-12-15
High strength formed article comprising hyperfine grain structure steel and manufacturing method of the same Grant 8,070,888 - Torizuka , et al. December 6, 2	2011-12-06
Heavy Wall Steel Material Having Superior Weldability And Method For Producing The Same App 20110083775 - Nakajima; Hiroshi ; et al.	2011-04-14
Formed Product And Method For Production Thereof App 20100173716 - Torizuka; Shiro ; et al.	2010-07-08
Controlled warm-rolling method Grant 7,727,343 - Torizuka , et al. June 1, 2	2010-06-01
Excellent Cold-workability Exhibiting High-strength Steel, Wire Or Steel Bar Or High-strength Shaped Article, And Process For Producing Them App 20100051144 - Torizuka; Shiro ; et al.	2010-03-04
Large strain-introducing working method and caliber rolling device Grant 7,647,804 - Inoue , et al. January 19, 2	2010-01-19
Steel for Warm Working, Warm Working Method Using the Steel, and Steel Material and Steel Component Obtainable Therefrom App 20090277539 - Kimura; Yuuji ; et al.	2009-11-12
Ultrahigh Strength Steel Sheet And Strength Part For Automobile Utilizing The Same App 20090236015 - Sasaoka; Hideyuki ; et al.	2009-09-24
Steel Plate And Steel Plate Coil App 20090185943 - Inoue; Tadanobu ; et al.	2009-07-23
Formed product and method for production thereof App 20080210351 - TORIZUKA; Shiro ; et al.	2008-09-04
High Strength Formed Article Comprising Hyperfine Grain Structure Steel and Manufacturing Method of the Same App 20080135140 - Torizuka; Shiro ; et al.	2008-06-12
Excellent Cold-Workability Exhibiting High-Strength Steel Wire or Steel Bar or High-Strength Shaped Article, and Process for Producing Them App 20080041503 - Torizuka; Shiro ; et al.	2008-02-21
Heavy wall steel material having superior weldability and method for producing the same App 20070119527 - Nakajima; Hiroshi ; et al.	2007-05-31
Large strain introducing working method and caliber rolling device App 20060260375 - Inoue; Tadanobu ; et al.	2006-11-23
Warm rolling method App 20060191613 - Torizuka; Shiro ; et al.	2006-08-31
Controlled warm-rolling method App 20060054255 - Torizuka; Shiro ; et al.	2006-03-16
Formed product and method for production thereof App 20050271496 - Torizuka, Shiro ; et al.	2005-12-08
Heavy wall steel material having superior weldability and method for producing the same App 20050178482 - Nakajima, Hiroshi ; et al.	2005-08-18
Heavy wall steel material having superior weldability and method for producing the same App 20030145917 - Nakajima, Hiroshi ; et al.	2003-08-07
Heavy wall steel material having superior weldability and method for producing the same App 20020026969 - Nakajima, Hiroshi ; et al.	2002-03-07
Fine Ferrite-based Structure Steel And Production Method Thereof App 20020014285 - HAYASHI, TOHRU ; et al.	2002-02-07
Ultra-fine grain steel and method for producing it Grant 6,221,178 - Torizuka , et al. April 24, 2	2001-04-24
Oxides dispersion steel and making process thereof Grant 6,129,791 - Nakajima , et al. October 10, 2	2000-10-10

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