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Hiroto Narieda
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Chiyoda-ku, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Copper alloy plate and method for producing same
Patent number
12,049,690
Issue date
Jul 30, 2024
Dowa Metaltech Co., Ltd.
Kazuki Yoshida
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Composite plating material and method for producing the same
Patent number
11,926,917
Issue date
Mar 12, 2024
Dowa Metaltech Co., Ltd.
Yukiya Kato
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Composite plated product and method for producing same
Patent number
11,920,255
Issue date
Mar 5, 2024
Dowa Metaltech Co., Ltd.
Hirotaka Kotani
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Clad material and method for producing same
Patent number
11,876,030
Issue date
Jan 16, 2024
Dowa Holdings Co., Ltd.
Tomotsugu Aoyama
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Copper alloy plate and method for producing same
Patent number
11,591,673
Issue date
Feb 28, 2023
Dowa Metaltech Co., Ltd.
Naota Higami
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Sheet matertal of copper alloy and method for producing same
Patent number
11,293,084
Issue date
Apr 5, 2022
Dowa Metaltech Co., Ltd.
Naota Higami
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Heat sink plate
Patent number
11,285,701
Issue date
Mar 29, 2022
THEGOODSYSTEM CORP.
Meoung-whan Cho
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Composite plated product and method for producing same
Patent number
11,225,726
Issue date
Jan 18, 2022
Dowa Metaltech Co., Ltd.
Tsuyoshi Ito
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Composite plated product and method for producing same
Patent number
11,208,730
Issue date
Dec 28, 2021
Dowa Metaltech Co., Ltd.
Yuta Sonoda
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Tin-plated product and method for producing same
Patent number
11,078,587
Issue date
Aug 3, 2021
Dowa Metaltech Co., Ltd.
Yuta Sonoda
B32 - LAYERED PRODUCTS
Information
Patent Grant
Tin-plated product and method for producing same
Patent number
10,982,345
Issue date
Apr 20, 2021
Dowa Metaltech Co., Ltd.
Hirotaka Kotani
B32 - LAYERED PRODUCTS
Information
Patent Grant
Tin-plated product and method for producing same
Patent number
10,985,485
Issue date
Apr 20, 2021
Dowa Metaltech Co., Ltd.
Hiroto Narieda
B32 - LAYERED PRODUCTS
Information
Patent Grant
Copper alloy sheet material and current-carrying component
Patent number
10,844,468
Issue date
Nov 24, 2020
Dowa Metaltech Co., Ltd.
Kuniaki Miyagi
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Copper alloy sheet material
Patent number
10,745,787
Issue date
Aug 18, 2020
Dowa Metaltech Co., Ltd.
Tsuyoshi Ito
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Tin-plated product and method for producing same
Patent number
10,676,835
Issue date
Jun 9, 2020
Dowa Metaltech Co., Ltd.
Hirotaka Kotani
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Copper alloy plate and method for producing same
Patent number
10,174,406
Issue date
Jan 8, 2019
Dowa Metaltech Co., Ltd.
Weilin Gao
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Copper alloy sheet and method for producing same
Patent number
9,994,933
Issue date
Jun 12, 2018
DOWA METAL TECH CO., LTD.
Weilin Gao
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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
Fitting type connecting terminal and method for producing same
Patent number
9,431,737
Issue date
Aug 30, 2016
Dowa Metaltech Co., Ltd.
Akifumi Onodera
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Electrical connector and manufacturing method thereof
Patent number
9,318,818
Issue date
Apr 19, 2016
Yazaki Corporation
Masatoshi Nakamura
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
Information
Patent Grant
Cu—Ni—Si-based copper alloy sheet material and method of manufactur...
Patent number
9,034,123
Issue date
May 19, 2015
Dowa Metaltech Co., Ltd.
Weilin Gao
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Copper alloy plate and method for producing same
Patent number
8,871,041
Issue date
Oct 28, 2014
Dowa Metaltech Co., Ltd.
Weilin Gao
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method of detinning Sn plating layer on Cu-based material
Patent number
8,262,769
Issue date
Sep 11, 2012
Dowa Metaltech Co., Ltd.
Hiroto Narieda
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Cu-Ti-based copper alloy sheet material and method of manufacturing...
Patent number
8,097,102
Issue date
Jan 17, 2012
Dowa Metaltech Co., Ltd.
Weilin Gao
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Patents Applications
last 30 patents
Information
Patent Application
COMPOSITE MATERIAL, METHOD FOR MANUFACTURING COMPOSITE MATERIAL, TE...
Publication number
20240287699
Publication date
Aug 29, 2024
DOWA METALTECH CO., LTD.
Hirotaka KOTANI
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
COPPER ALLOY SHEET MATERIAL AND METHOD FOR PRODUCING THE COPPER ALL...
Publication number
20240200169
Publication date
Jun 20, 2024
DOWA METALTECH CO., LTD.
Ryosuke MIYAHARA
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
COMPOSITE MATERIAL, METHOD FOR PRODUCING COMPOSITE MATERIAL, AND TE...
Publication number
20230175160
Publication date
Jun 8, 2023
DOWA METALTECH CO., LTD.
Yukiya KATO
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
COMPOSITE PLATING MATERIAL AND METHOD FOR PRODUCING THE SAME
Publication number
20230046780
Publication date
Feb 16, 2023
DOWA METALTECH CO., LTD.
Yukiya Kato
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
COMPOSITE PLATED PRODUCT AND METHOD FOR PRODUCING SAME
Publication number
20220259753
Publication date
Aug 18, 2022
DOWA METALTECH CO., LTD.
Hirotaka Kotani
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
COPPER ALLOY PLATE AND METHOD FOR PRODUCUING SAME
Publication number
20220162734
Publication date
May 26, 2022
DOWA METALTECH CO., LTD.
Kazuki Yoshida
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
CLAD MATERIAL AND METHOD FOR PRODUCING SAME
Publication number
20210175147
Publication date
Jun 10, 2021
Dowa Holdings Co., Ltd.
Tomotsugu Aoyama
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
COMPOSITE PLATED PRODUCT AND METHOD FOR PRODUCING SAME
Publication number
20200299852
Publication date
Sep 24, 2020
DOWA METALTECH CO., LTD.
Yuta Sonoda
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
HEAT SINK PLATE
Publication number
20200290316
Publication date
Sep 17, 2020
THE GOODSYSTEM CORP.
Meoung-whan CHO
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Application
COMPOSITE PLATED PRODUCT AND METHOD FOR PRODUCING SAME
Publication number
20200232110
Publication date
Jul 23, 2020
DOWA METALTECH CO., LTD.
Tsuyoshi Ito
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
TIN-PLATED PRODUCT AND METHOD FOR PRODUCING SAME
Publication number
20200076103
Publication date
Mar 5, 2020
DOWA METALTECH CO., LTD.
Hiroto Narieda
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
SHEET MATERIAL OF COPPER ALLOY AND METHOD FOR PRODUCING SAME
Publication number
20190264313
Publication date
Aug 29, 2019
DOWA METALTECH CO., LTD.
Naota Higami
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
TIN-PLATED PRODUCT AND METHOD FOR PRODUCING SAME
Publication number
20190136398
Publication date
May 9, 2019
DOWA METALTECH CO., LTD.
Hirotaka Kotani
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
COPPER ALLOY SHEET MATERIAL AND METHOD FOR PRODUCING SAME
Publication number
20180274074
Publication date
Sep 27, 2018
DOWA METALTECH CO., LTD.
Tsuyoshi ITO
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
TIN-PLATED PRODUCT AND METHOD FOR PRODUCING SAME
Publication number
20180245230
Publication date
Aug 30, 2018
DOWA METALTECH CO., LTD.
Yuta SONODA
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
TIN-PLATED PRODUCT AND METHOD FOR PRODUCING SAME
Publication number
20180080135
Publication date
Mar 22, 2018
DOWA METALTECH CO., LTD.
Hirotaka Kotani
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
COPPER ALLOY SHEET MATERIAL AND METHOD FOR PRODUCING SAME, AND CURR...
Publication number
20160201179
Publication date
Jul 14, 2016
DOWA METALTECH CO., LTD.
Kuniaki MIYAGI
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
ELECTRICAL CONNECTOR AND MANUFACTURING METHOD THEREOF
Publication number
20140322992
Publication date
Oct 30, 2014
Masatoshi Nakamura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ELECTRICAL CONNECTOR AND MANUFACTURING METHOD THEREOF
Publication number
20140322991
Publication date
Oct 30, 2014
Masatoshi Nakamura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
FITTING TYPE CONNECTING TERMINAL AND METHOD FOR PRODUCING SAME
Publication number
20140248809
Publication date
Sep 4, 2014
Akifumi Onodera
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
COPPER ALLOY PLATE AND METHOD FOR PRODUCING SAME
Publication number
20120279618
Publication date
Nov 8, 2012
DOWA METALTECH CO., LTD.
Weilin Gao
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Method of detinning Sn plating layer on Cu-based material
Publication number
20110138966
Publication date
Jun 16, 2011
DOWA METALTECH CO., LTD.
Hiroto Narieda
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
COPPER ALLOY SHEET AND METHOD FOR PRODUCING SAME
Publication number
20100269959
Publication date
Oct 28, 2010
DOWA METALTECH CO., LTD.
Weilin Gao
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Cu-Ti-based copper alloy sheet material and method of manufacturing...
Publication number
20100139822
Publication date
Jun 10, 2010
Weilin Gao
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
COPPER ALLOY PLATE AND METHOD FOR PRODUCING SAME
Publication number
20100132851
Publication date
Jun 3, 2010
DOWA METALTECH CO., LTD.
Weilin Gao
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Cu-Ni-Si-based copper alloy sheet material and method of manufactur...
Publication number
20080190524
Publication date
Aug 14, 2008
Weilin Gao
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
Cu-Ni-Si-based copper alloy sheet material and method of manufactur...
Publication number
20080190523
Publication date
Aug 14, 2008
Weilin Gao
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...