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Induction Heating Device, Induction Heating Equipment, Induction Heating Method, And Heat Treatment Method App 20210120637 - Nakatsu; Hitoshi ;   et al. | 2021-04-22 |
Induction heating device, induction heating equipment, induction heating method, and heat treatment method Grant 10,952,288 - Nakatsu , et al. March 16, 2 | 2021-03-16 |
Induction heating device, induction heating equipment, induction heating method, and heat treatment method Grant 10,912,159 - Nakatsu , et al. February 2, 2 | 2021-02-02 |
Induction hardening apparatus, induction hardening method, induction heating coil, heat treatment apparatus, and heat treatment method Grant 10,648,052 - Tanaka , et al. | 2020-05-12 |
Surface nitriding treatment method of titanium material Grant 10,487,387 - Komotori , et al. Nov | 2019-11-26 |
Hardened layer depth measuring apparatus Grant 10,458,775 - Misaka , et al. Oc | 2019-10-29 |
Welding Method And Weld Structure App 20190218635 - TERAJIMA; Akira ;   et al. | 2019-07-18 |
Welding method and weld structure Grant 10,301,692 - Terajima , et al. | 2019-05-28 |
Induction Heating Device, Induction Heating Equipment, Induction Heating Method, And Heat Treatment Method App 20180332672 - Nakatsu; Hitoshi ;   et al. | 2018-11-15 |
Induction heating device, induction heating equipment, induction heating method, and heat treatment method Grant 10,057,945 - Nakatsu , et al. August 21, 2 | 2018-08-21 |
Surface Nitriding Treatment Method Of Titanium Material App 20180155816 - KOMOTORI; Jun ;   et al. | 2018-06-07 |
Hardened Layer Depth Measuring Apparatus App 20180051975 - MISAKA; Yoshitaka ;   et al. | 2018-02-22 |
Induction Hardening Apparatus, Induction Hardening Method, Induction Heating Coil, Heat Treatment Apparatus, and Heat Treatment Method App 20170067130 - Tanaka; Yoshimasa ;   et al. | 2017-03-09 |
Induction hardening apparatus, induction hardening method, induction heating coil, heat treatment apparatus, and heat treatment method Grant 9,534,267 - Tanaka , et al. January 3, 2 | 2017-01-03 |
Quenching depth measurement method and quenching depth measurement apparatus Grant 9,304,108 - Gotoh , et al. April 5, 2 | 2016-04-05 |
Welding Method And Weld Structure App 20160076117 - TERAJIMA; Akira ;   et al. | 2016-03-17 |
Induction Heating Device, Induction Heating Equipment, Induction Heating Method, And Heat Treatment Method App 20140144904 - Nakatsu; Hitoshi ;   et al. | 2014-05-29 |
Quenching Depth Measurement Method And Quenching Depth Measurement Apparatus App 20130300405 - Gotoh; Yuji ;   et al. | 2013-11-14 |
Iron and steel material having quenched surface layer part, method for producing the iron and steel material, and quenched component Grant 8,545,642 - Fukazawa , et al. October 1, 2 | 2013-10-01 |
Induction Hardening Apparatus, Induction Hardening Method, Induction Heating Coil, Heat Treatment Apparatus, And Heat Treatment Method App 20120125919 - Tanaka; Yoshimasa ;   et al. | 2012-05-24 |
Iron And Steel Material Having Quenched Surface Layer Part, Method For Producing The Iron And Steel Material, And Quenched Component App 20110186186 - Fukazawa; Kengo ;   et al. | 2011-08-04 |