| Patent | Date |
|---|
Steel for Machine Structural Use
App 20190271065 - HASHIMURA; Masayuki ; et al. | 2019-09-05 |
Steel for Machine Structural Use
App 20190233927 - Hashimura; Masayuki ; et al. | 2019-08-01 |
Spring steel with excellent fatigue resistance and method of manufacturing the same
Grant 10,350,676 - Miyazaki , et al. July 16, 2 | 2019-07-16 |
Steel for Machine Structural Use
App 20190169723 - Hashimura; Masayuki ; et al. | 2019-06-06 |
Spring steel and method for producing the same
Grant 10,202,665 - Hashimura , et al. Feb | 2019-02-12 |
High strength spring steel and steel wire
Grant 10,131,973 - Hashimura , et al. November 20, 2 | 2018-11-20 |
Steel for induction hardening with excellent fatigue properties
Grant 9,896,749 - Hashimura , et al. February 20, 2 | 2018-02-20 |
Case hardening steel with excellent fatigue properties
Grant 9,809,875 - Hashimura , et al. November 7, 2 | 2017-11-07 |
Steel for surface hardening for machine structural use and part for machine structural use
Grant 9,777,343 - Mizuno , et al. October 3, 2 | 2017-10-03 |
Bearing steel and method for producing same
Grant 9,732,407 - Hashimura , et al. August 15, 2 | 2017-08-15 |
Forging steel
Grant 9,657,379 - Saitoh , et al. May 23, 2 | 2017-05-23 |
Spring Steel And Method For Producing The Same
App 20170044633 - HASHIMURA; Masayuki ; et al. | 2017-02-16 |
Hot forging use non-heat-treated steel and hot forged non-heat-treated steel part
Grant 9,487,848 - Teramoto , et al. November 8, 2 | 2016-11-08 |
Hot Forging Use Non-heat-treated Steel And Hot Forged Non-heat-treated Steel Part
App 20160251743 - TERAMOTO; Shinya ; et al. | 2016-09-01 |
Hot forging use non-heat-treated steel and hot forged non-heat-treated steel part
Grant 9,376,738 - Teramoto , et al. June 28, 2 | 2016-06-28 |
Spring Steel With Excellent Fatigue Resistance And Method Of Manufacturing The Same
App 20160151832 - MIYAZAKI; Masafumi ; et al. | 2016-06-02 |
Steel for machine structure use for surface hardening and steel part for machine structure use
Grant 9,156,231 - Mizuno , et al. October 13, 2 | 2015-10-13 |
Hot-working steel excellent in machinability and impact value
Grant 9,127,336 - Miyanishi , et al. September 8, 2 | 2015-09-08 |
Steel For Induction Hardening With Excellent Fatigue Properties
App 20150203943 - Hashimura; Masayuki ; et al. | 2015-07-23 |
Case Hardening Steel With Excellent Fatigue Properties
App 20150191808 - Hashimura; Masayuki ; et al. | 2015-07-09 |
Case hardening steel, carburized component, and manufacturing method of case hardening steel
Grant 8,980,022 - Miyanishi , et al. March 17, 2 | 2015-03-17 |
Steel for nitriding and nitrided part
Grant 8,876,988 - Chida , et al. November 4, 2 | 2014-11-04 |
High strength spring-use heat treated steel
Grant 8,845,825 - Hashimura , et al. September 30, 2 | 2014-09-30 |
Bearing Steel And Method For Producing Same
App 20140261906 - Hashimura; Masayuki ; et al. | 2014-09-18 |
Steel For Surface Hardening For Machine Structural Use And Part For Machine Structural Use
App 20140251507 - Mizuno; Atsushi ; et al. | 2014-09-11 |
Steel for surface hardening for machine structural use and part for machine structural use
Grant 8,802,005 - Mizuno , et al. August 12, 2 | 2014-08-12 |
High strength steel wire for spring
Grant 8,734,600 - Hashimura , et al. May 27, 2 | 2014-05-27 |
Case hardening steel and manufacturing method thereof
Grant 8,673,094 - Hashimura , et al. March 18, 2 | 2014-03-18 |
Steel For Machine Structure Use For Surface Hardening And Steel Part For Machine Structure Use
App 20130220489 - Mizuno; Atsushi ; et al. | 2013-08-29 |
Steel For Nitriding And Nitrided Part
App 20130087250 - Chida; Tetsushi ; et al. | 2013-04-11 |
Case Hardening Steel And Manufacturing Method Thereof
App 20130048156 - Hashimura; Masayuki ; et al. | 2013-02-28 |
Drawn Heat Treated Steel Wire For High Strength Spring Use And Pre-drawn Steel Wire For High Strength Spring Use
App 20120291927 - Hashimura; Masayuki ; et al. | 2012-11-22 |
High Strength Steel Wire For Spring
App 20120125489 - Hashimura; Masayuki ; et al. | 2012-05-24 |
Method of production of steel superior in machinability
Grant 8,137,484 - Hashimura , et al. March 20, 2 | 2012-03-20 |
Case-hardened Steel Superiorin Cold Workability, Machinability, And Fatigue Characteristics After Carburized Quenching And Method Of Production Of Same
App 20120018063 - Hashimura; Masayuki ; et al. | 2012-01-26 |
High strength spring steel wire and high strength spring and methods of production of the same
App 20110310924 - Kubota; Manabu ; et al. | 2011-12-22 |
Steel For Surface Hardening For Machine Structural Use And Part For Machine Structural Use
App 20110274578 - Mizuno; Atsushi ; et al. | 2011-11-10 |
Case Hardening Steel, Carburized Component, And Manufacturing Method Of Case Hardening Steel
App 20110155290 - Miyanishi; Kei ; et al. | 2011-06-30 |
Steel For Machine Structure Use For Surface Hardening And Steel Part For Machine Structure Use
App 20110041959 - Mizuno; Atsushi ; et al. | 2011-02-24 |
Steel For Induction Hardening
App 20110002807 - Saitoh; Hajime ; et al. | 2011-01-06 |
High-strength spring steel wire
Grant 7,789,974 - Hashimura , et al. September 7, 2 | 2010-09-07 |
Martensite Type Hot Forging Use Non Heat-treated Steel And Hot Forged Non Heat-treated Steel Part
App 20100183473 - Teramoto; Shinya ; et al. | 2010-07-22 |
Machine structural steel excellent in machinability and strength properties
App 20100124515 - Miyanishi; Kei ; et al. | 2010-05-20 |
Machining Steel Superior In Manufacturability
App 20100054984 - Hashimura; Masayuki ; et al. | 2010-03-04 |
Forging steel
App 20100047106 - Saitoh; Hajime ; et al. | 2010-02-25 |
High Strength Spring Steel and High Strength Heat Treated Steel Wire for Spring
App 20100028196 - Hashimura; Masayuki ; et al. | 2010-02-04 |
Hot-working Steel Excellent In Machinability And Impact Value
App 20090311125 - Miyanishi; Kei ; et al. | 2009-12-17 |
Machine Structural Steel Excellent in Machinability and Strength Properties
App 20090274573 - Miyanishi; Kei ; et al. | 2009-11-05 |
High strength spring-use heat treated steel
App 20090205753 - Hashimura; Masayuki ; et al. | 2009-08-20 |
Heat-treated steel wire for high strength spring
Grant 7,575,646 - Hashimura , et al. August 18, 2 | 2009-08-18 |
High strength spring-use heat treated steel
App 20090092516 - Hashimura; Masayuki ; et al. | 2009-04-09 |
Steel superior in machinability and method of production of same
App 20090050241 - Hashimura; Masayuki ; et al. | 2009-02-26 |
Superior in machinability and method of production of same
Grant 7,488,396 - Hashimura , et al. February 10, 2 | 2009-02-10 |
High Strength Spring Steel Wire and High Strength Spring and Methods of Production of the Same
App 20090020195 - Kubota; Manabu ; et al. | 2009-01-22 |
High Strength Spring Steel and Steel Wire
App 20080279714 - Hashimura; Masayuki ; et al. | 2008-11-13 |
Steel superior in machinability and method of production of same
App 20060013720 - Hashimura; Masayuki ; et al. | 2006-01-19 |
Steel excellent in forgeability and machinability
Grant 6,858,101 - Hashimura , et al. February 22, 2 | 2005-02-22 |
Heat-treated steel wire for high strength spring
App 20040112473 - Hashimura, Masayuki ; et al. | 2004-06-17 |
High-strength spring steel and spring steel wire
App 20030201036 - Hashimura, Masayuki ; et al. | 2003-10-30 |
Steel wire for high-strength springs and method of producing the same
Grant 6,338,763 - Hashimura , et al. January 15, 2 | 2002-01-15 |
High strength spring steel and process for producing same
Grant 5,897,717 - Hashimura , et al. April 27, 1 | 1999-04-27 |
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