| Patent | Date |
|---|
Steel for mechanical structure for cold working, and method for producing same
Grant 10,570,478 - Sasaki , et al. Feb | 2020-02-25 |
Method for manufacturing steel for high-strength hollow spring
Grant 10,526,675 - Kochi , et al. J | 2020-01-07 |
Hollow Seamless Steel Pipe For Spring
App 20180265952 - KOCHI; Takuya ; et al. | 2018-09-20 |
Mechanical Structure Steel For Cold-working And Manufacturing Method Therefor
App 20180251876 - SASAKI; Yuki ; et al. | 2018-09-06 |
Weld metal having excellent resistance to hydrogen embrittlement
Grant 9,956,650 - Nako , et al. May 1, 2 | 2018-05-01 |
Steel Wire For Mechanical Structural Parts
App 20180105894 - SASAKI; Yuki ; et al. | 2018-04-19 |
Method For Manufacturing Steel For High-strength Hollow Spring
App 20170306432 - KOCHI; Takuya ; et al. | 2017-10-26 |
Flux-cored Wire For Gas-shielded Arc Welding
App 20170274482 - HAN; Peng ; et al. | 2017-09-28 |
Weld metal excellent in hydrogen embrittlement resistance
Grant 9,718,150 - Nako , et al. August 1, 2 | 2017-08-01 |
Seamless steel pipe for hollow spring
Grant 9,650,704 - Kochi , et al. May 16, 2 | 2017-05-16 |
Steel For Mechanical Structure For Cold Working, And Method For Producing Same
App 20170130295 - SASAKI; Yuki ; et al. | 2017-05-11 |
Weld metal having excellent resistance to hydrogen embrittlement susceptibility
Grant 9,592,575 - Nako , et al. March 14, 2 | 2017-03-14 |
Hollow seamless pipe for high-strength spring
Grant 9,429,255 - Kochi , et al. August 30, 2 | 2016-08-30 |
Hot-rolled Steel Sheet Having Excellent Cold Workability And Excellent Surface Properties And Hardness After Working
App 20160201172 - KAJIHARA; Katsura ; et al. | 2016-07-14 |
Wire with excellent suitability for drawing and process for producing the same
Grant 9,267,183 - Kochi , et al. February 23, 2 | 2016-02-23 |
Weld Metal And Welded Structure Provided With Same
App 20160008931 - NAKO; Hidenori ; et al. | 2016-01-14 |
Weld Metal With Excellent Resistance To Hydrogen Embrittlement, And Solid Wire For Submerged Arc Welding
App 20150314400 - NAKO; Hidenori ; et al. | 2015-11-05 |
Hollow Seamless Pipe For High-strength Spring
App 20150285410 - Kochi; Takuya ; et al. | 2015-10-08 |
Seamless Steel Pipe For Hollow Spring
App 20150159245 - Kochi; Takuya ; et al. | 2015-06-11 |
Steel for heat treatment
Grant 9,023,159 - Hatano , et al. May 5, 2 | 2015-05-05 |
Spring steel wire rod excellent in decarburization resistance and wire drawing workability and method for producing same
Grant 9,005,378 - Kochi , et al. April 14, 2 | 2015-04-14 |
Weld Metal Having Excellent Resistance To Hydrogen Embrittlement
App 20140377123 - Nako; Hidenori ; et al. | 2014-12-25 |
Weld Metal Having Excellent Resistance To Hydrogen Embrittlement Susceptibility
App 20140086786 - Nako; Hidenori ; et al. | 2014-03-27 |
Weld Metal Excellent In Hydrogen Embrittlement Resistance
App 20130315777 - Nako; Hidenori ; et al. | 2013-11-28 |
Process for manufacturing a high carbon steel wire material having excellent wire drawability
Grant 8,470,105 - Kochi , et al. June 25, 2 | 2013-06-25 |
Method for production of steel product with outstanding descalability; and steel wire with outstanding descalability
Grant 8,382,916 - Kuroda , et al. February 26, 2 | 2013-02-26 |
Seamless Steel Pipe For High-strength Hollow Spring
App 20120325364 - Kochi; Takuya ; et al. | 2012-12-27 |
Method for production of steel product with outstanding descalability; and steel wire with outstanding descalability
Grant 8,216,394 - Kuroda , et al. July 10, 2 | 2012-07-10 |
High-strength spring steel excellent in brittle fracture resistance and method for producing same
Grant 8,038,934 - Kochi , et al. October 18, 2 | 2011-10-18 |
Steel For Heat Treatment
App 20110091348 - Hatano; Hitoshi ; et al. | 2011-04-21 |
Method For Production Of Steel Product With Outstanding Descalability; And Steel Wire With Outstanding Descalability
App 20100236667 - Kuroda; Takeshi ; et al. | 2010-09-23 |
High-strength Spring Steel Excellent In Brittle Fracture Resistance And Method For Producing Same
App 20100224287 - Kochi; Takuya ; et al. | 2010-09-09 |
Steels for high-strength springs excellent in cold workability and quality stability
Grant 7,618,498 - Kochi , et al. November 17, 2 | 2009-11-17 |
Method For Production Of Steel Material Having Excellent Scale Detachment Property, And Steel Wire Material Having Excellent Scale Detachment Property
App 20090229710 - Kuroda; Takeshi ; et al. | 2009-09-17 |
High Carbon Steel Wire Material Having Excellent Wire Drawability And Manufacturing Process Thereof
App 20090223610 - KOCHI; Takuya ; et al. | 2009-09-10 |
Spring Steel Wire Rod Excellent In Decarburization Resistance And Wire Drawing Workability And Method For Producing Same
App 20090065105 - Kochi; Takuya ; et al. | 2009-03-12 |
Wire With Excellent Suitability For Drawing And Process For Producing The Same
App 20090007998 - Kochi; Takuya ; et al. | 2009-01-08 |
Steel For High-speed Cold Working And Method For Production Thereof, And Part Formed By High-speed Cold Working And Method For Production Thereof
App 20080156403 - MASUDA; Tomokazu ; et al. | 2008-07-03 |
Wire Rod Excellent In Wire-drawing Workability And Method For Producing Same
App 20070277913 - Kochi; Takuya ; et al. | 2007-12-06 |
High Strength Spring Steel Wire With Excellent Coiling Properties And Hydrogen Embrittlement Resistance
App 20070125456 - Kochi; Takuya ; et al. | 2007-06-07 |
Steels for high-strength springs excellent in cold workability and quality stability
App 20060196584 - Kochi; Takuya ; et al. | 2006-09-07 |
High Carbon steel wire material having excellent wire drawability and manufacturing process thereof
App 20060130946 - Minamida; Takaaki ; et al. | 2006-06-22 |
Steel wire excellent in descalability in mechanical descaling and method for production thereof
Grant 7,037,387 - Nagao , et al. May 2, 2 | 2006-05-02 |
Steel wire excellent in descalability in mechanical descaling and method for production thereof
App 20040129354 - Nagao, Mamoru ; et al. | 2004-07-08 |
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