DOWA THERMOTECH CO., LTD.

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Heat treatment apparatus
- Patent number 12,077,869
- Issue date Sep 3, 2024
- Dowa Thermotech Co., Ltd.
- Takahiro Fujita
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Vanadium nitride film, and member coated with vanadium nitride film...
- Patent number 11,613,463
- Issue date Mar 28, 2023
- Dowa Thermotech Co., Ltd.
- Satoru Habuka
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Nitriding treatment method of steel member
- Patent number 11,359,271
- Issue date Jun 14, 2022
- Dowa Thermotech Co., Ltd.
- Yuichiro Shimizu
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Continuous nitriding treatment furnace and continuous nitriding tre...
- Patent number 11,242,592
- Issue date Feb 8, 2022
- Dowa Thermotech Co., Ltd.
- Katsushige Shimizu
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Vanadium silicon carbonitride film, vanadium silicon carbonitride f...
- Patent number 11,091,367
- Issue date Aug 17, 2021
- Dowa Thermotech Co., Ltd.
- Satoru Habuka
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Vanadium silicon nitride film, member coated with vanadium silicon...
- Patent number 11,072,857
- Issue date Jul 27, 2021
- Dowa Thermotech Co., Ltd.
- Satoru Habuka
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Vanadium nitride film, and member coated with vanadium nitride film...
- Patent number 11,014,814
- Issue date May 25, 2021
- Dowa Thermotech Co., Ltd.
- Satoru Habuka
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Door structure of heat treatment furnace
- Patent number 10,883,764
- Issue date Jan 5, 2021
- Dowa Thermotech Co., Ltd.
- Kazuya Sasaki
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
Heat treatment facility
- Patent number 10,870,909
- Issue date Dec 22, 2020
- Dowa Thermotech Co., Ltd.
- Takahiro Fujita
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Grant
Intermediate layer formed between base material and DLC layer and f...
- Patent number 10,731,243
- Issue date Aug 4, 2020
- Dowa Thermotech Co., Ltd.
- Hiroki Tashiro
- B32 - LAYERED PRODUCTS
Information Patent Grant
Heater unit and carburizing furnace
- Patent number 10,499,460
- Issue date Dec 3, 2019
- Dowa Thermotech Co., Ltd.
- Tsunetaka Yamada
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Nitriding process method of steel member
- Patent number 10,385,439
- Issue date Aug 20, 2019
- Dowa Thermotech Co., Ltd.
- Yuichiro Shimizu
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
DLC film film-forming method
- Patent number 10,145,007
- Issue date Dec 4, 2018
- Dowa Thermotech Co., Ltd.
- Hiroki Tashiro
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Forming method of intermediate layer formed between base material a...
- Patent number 10,006,116
- Issue date Jun 26, 2018
- Dowa Thermotech Co., Ltd.
- Motohiro Watanabe
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Manufacturing method of nitrided steel member
- Patent number 9,988,704
- Issue date Jun 5, 2018
- Dowa Thermotech Co., Ltd.
- Yuichiro Shimizu
- C21 - METALLURGY OF IRON
Information Patent Grant
Nitrided steel member and manufacturing method thereof
- Patent number 9,783,879
- Issue date Oct 10, 2017
- Dowa Thermotech Co., Ltd.
- Yuichiro Shimizu
- C21 - METALLURGY OF IRON
Information Patent Grant
Electrical connector and manufacturing method thereof
- Patent number 9,614,300
- Issue date Apr 4, 2017
- Yazaki Corporation
- Masatoshi Nakamura
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Nitrided steel member and manufacturing method thereof
- Patent number 9,598,760
- Issue date Mar 21, 2017
- Dowa Thermotech Co., Ltd.
- Yuichiro Shimizu
- C21 - METALLURGY OF IRON
Information Patent Grant
Atmosphere heat treatment apparatus and method of operating the same
- Patent number 8,262,387
- Issue date Sep 11, 2012
- Dowa Thermotech Co., Ltd.
- Tomihiko Nishiyama
- C21 - METALLURGY OF IRON
Information Patent Grant
Carburization treatment method and carburization treatment apparatus
- Patent number 7,276,204
- Issue date Oct 2, 2007
- Dowa Thermotech Co., Ltd.
- Hisashi Ebihara
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

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Patents Applicationslast 30 patents

Information Patent Application
CARBON NANOTUBE COLLECTION APPARATUS, CARBON NANOTUBE MANUFACTURING...
- Publication number 20240246790
- Publication date Jul 25, 2024
- DOWA THERMOTECH CO., LTD.
- Shinya CHOU
- C01 - INORGANIC CHEMISTRY
Information Patent Application
VANADIUM SILICON CARBIDE FILM, VANADIUM SILICON CARBIDE FILM COATED...
- Publication number 20220411271
- Publication date Dec 29, 2022
- DOWA THERMOTECH CO., LTD.
- Satoru HABUKA
- C01 - INORGANIC CHEMISTRY
Information Patent Application
VANADIUM NITRIDE FILM, AND MEMBER COATED WITH VANADIUM NITRIDE FILM...
- Publication number 20210246023
- Publication date Aug 12, 2021
- DOWA THERMOTECH CO., LTD.
- Satoru HABUKA
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
HEAT TREATMENT APPARATUS
- Publication number 20210246539
- Publication date Aug 12, 2021
- DOWA THERMOTECH CO., LTD.
- Takahiro FUJITA
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Application
VANADIUM SILICON CARBONITRIDE FILM, VANADIUM SILICON CARBONITRIDE F...
- Publication number 20200346928
- Publication date Nov 5, 2020
- DOWA THERMOTECH CO., LTD.
- Satoru HABUKA
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
VANADIUM NITRIDE FILM, AND MEMBER COATED WITH VANADIUM NITRIDE FILM...
- Publication number 20200198967
- Publication date Jun 25, 2020
- DOWA THERMOTECH CO., LTD.
- Satoru HABUKA
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
VANADIUM SILICON NITRIDE FILM, MEMBER COATED WITH VANADIUM SILICON...
- Publication number 20190390331
- Publication date Dec 26, 2019
- DOWA THERMOTECH CO., LTD.
- Satoru HABUKA
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
CONTINUOUS NITRIDING TREATMENT FURNACE AND CONTINUOUS NITRIDING TRE...
- Publication number 20190177829
- Publication date Jun 13, 2019
- DOWA THERMOTECH CO., LTD.
- Katsushige SHIMIZU
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
HEAT TREATMENT FACILITY
- Publication number 20190127836
- Publication date May 2, 2019
- DOWA THERMOTECH CO., LTD.
- Takahiro FUJITA
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
DOOR STRUCTURE OF HEAT TREATMENT FURNACE
- Publication number 20190024979
- Publication date Jan 24, 2019
- DOWA THERMOTECH CO., LTD.
- Kazuya SASAKI
- F27 - FURNACES KILNS OVENS RETORTS
Information Patent Application
INTERMEDIATE LAYER FORMED BETWEEN BASE MATERIAL AND DLC LAYER AND F...
- Publication number 20180363128
- Publication date Dec 20, 2018
- DOWA THERMOTECH CO., LTD.
- Hiroki TASHIRO
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
NITRIDING TREATMENT METHOD OF STEEL MEMBER
- Publication number 20180127863
- Publication date May 10, 2018
- DOWA THERMOTECH CO., LTD.
- Yuichiro SHIMIZU
- C21 - METALLURGY OF IRON
Information Patent Application
HEATER UNIT AND CARBURIZING FURNACE
- Publication number 20170353995
- Publication date Dec 7, 2017
- DOWA THERMOTECH CO., LTD.
- Tsunetaka Yamada
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
MANUFACTURING METHOD OF NITRIDED STEEL MEMBER
- Publication number 20170152591
- Publication date Jun 1, 2017
- DOWA THERMOTECH CO., LTD.
- Yuichiro Shimizu
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Application
DLC FILM FILM-FORMING METHOD
- Publication number 20160281219
- Publication date Sep 29, 2016
- DOWA THERMOTECH CO., LTD.
- Hiroki TASHIRO
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
FORMING METHOD OF INTERMEDIATE LAYER FORMED BETWEEN BASE MATERIAL A...
- Publication number 20160265099
- Publication date Sep 15, 2016
- DOWA THERMOTECH CO., LTD.
- Motohiro Watanabe
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
NITRIDING PROCESS METHOD OF STEEL MEMBER
- Publication number 20160244869
- Publication date Aug 25, 2016
- DOWA THERMOTECH CO., LTD.
- Yuichiro Shimizu
- C21 - METALLURGY OF IRON
Information Patent Application
HEAT TREATMENT APPARATUS
- Publication number 20150275346
- Publication date Oct 1, 2015
- DOWA THERMOTECH CO., LTD.
- Hokuto Hatanaka
- C21 - METALLURGY OF IRON
Information Patent Application
NITRIDED STEEL MEMBER AND MANUFACTURING METHOD THEREOF
- Publication number 20150053311
- Publication date Feb 26, 2015
- DOWA THERMOTECH CO., LTD.
- Yuichiro Shimizu
- C21 - METALLURGY OF IRON
Information Patent Application
NITRIDED STEEL MEMBER AND MANUFACTURING METHOD THEREOF
- Publication number 20130333808
- Publication date Dec 19, 2013
- Honda Motor Co., Ltd.
- Yuichiro Shimizu
- C21 - METALLURGY OF IRON
Information Patent Application
Atmosphere Heat Treatment Apparatus and Method of Operating the Same
- Publication number 20090142721
- Publication date Jun 4, 2009
- Dowa Thermotech Co., Ltd.
- Tomihiko Nishiyama
- C21 - METALLURGY OF IRON
Information Patent Application
Carburization treatment method and carburization treatment apparatus
- Publication number 20080073002
- Publication date Mar 27, 2008
- DOWA THERMOTECH CO., LTD.
- Fumitaka Abukawa
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

DOWA THERMOTECH CO., LTD.

Organization

Patents Grantslast 30 patents

Heat treatment apparatus

Vanadium nitride film, and member coated with vanadium nitride film...

Nitriding treatment method of steel member

Continuous nitriding treatment furnace and continuous nitriding tre...

Vanadium silicon carbonitride film, vanadium silicon carbonitride f...

Vanadium silicon nitride film, member coated with vanadium silicon...

Vanadium nitride film, and member coated with vanadium nitride film...

Door structure of heat treatment furnace

Heat treatment facility

Intermediate layer formed between base material and DLC layer and f...

Heater unit and carburizing furnace

Nitriding process method of steel member

DLC film film-forming method

Forming method of intermediate layer formed between base material a...

Manufacturing method of nitrided steel member

Nitrided steel member and manufacturing method thereof

Electrical connector and manufacturing method thereof

Nitrided steel member and manufacturing method thereof

Atmosphere heat treatment apparatus and method of operating the same

Carburization treatment method and carburization treatment apparatus

Patents Applicationslast 30 patents

CARBON NANOTUBE COLLECTION APPARATUS, CARBON NANOTUBE MANUFACTURING...

VANADIUM SILICON CARBIDE FILM, VANADIUM SILICON CARBIDE FILM COATED...

VANADIUM NITRIDE FILM, AND MEMBER COATED WITH VANADIUM NITRIDE FILM...

HEAT TREATMENT APPARATUS

VANADIUM SILICON CARBONITRIDE FILM, VANADIUM SILICON CARBONITRIDE F...

VANADIUM NITRIDE FILM, AND MEMBER COATED WITH VANADIUM NITRIDE FILM...

VANADIUM SILICON NITRIDE FILM, MEMBER COATED WITH VANADIUM SILICON...

CONTINUOUS NITRIDING TREATMENT FURNACE AND CONTINUOUS NITRIDING TRE...

HEAT TREATMENT FACILITY

DOOR STRUCTURE OF HEAT TREATMENT FURNACE

INTERMEDIATE LAYER FORMED BETWEEN BASE MATERIAL AND DLC LAYER AND F...

NITRIDING TREATMENT METHOD OF STEEL MEMBER

HEATER UNIT AND CARBURIZING FURNACE

MANUFACTURING METHOD OF NITRIDED STEEL MEMBER

DLC FILM FILM-FORMING METHOD

FORMING METHOD OF INTERMEDIATE LAYER FORMED BETWEEN BASE MATERIAL A...

NITRIDING PROCESS METHOD OF STEEL MEMBER

HEAT TREATMENT APPARATUS

NITRIDED STEEL MEMBER AND MANUFACTURING METHOD THEREOF

NITRIDED STEEL MEMBER AND MANUFACTURING METHOD THEREOF

Atmosphere Heat Treatment Apparatus and Method of Operating the Same

Carburization treatment method and carburization treatment apparatus