Assignee profile:

Dowa Metaltech Co., LTD.

City:

Tokyo

Country:

Japan

Published Applications:

99

Last publication date:

2026-04-30

Patent Grants:

76

Last grant date:

2025-12-16

Top Inventors for applications by Dowa Metaltech Co., LTD.

These are the the leading inventors for applications assigned to Dowa Metaltech Co., LTD.:

Recent patent applications by Dowa Metaltech Co., LTD.

Dowa Metaltech Co., LTD. based in Tokyo, JP has been assigned the rights to these inventions. The list includes both Pending Applications and Patent Grants:

#1 | 2026-04-30
US20260116829A1
Chemistry; metallurgy

ALUMINUM/CERAMIC BONDING SUBSTRATE AND METHOD FOR PRODUCING SAME

#2 | 2026-04-09
US20260098354A1
Chemistry; metallurgy

COMPOSITE MATERIAL, TERMINAL AND METHOD FOR MANUFACTURING TERMINAL

#3 | 2026-02-26
US20260055528A1
Chemistry; metallurgy

SILVER-PLATED PRODUCT AND METHOD FOR PRODUCING SAME

#4 | 2025-12-18
US20250382720A1
Chemistry; metallurgy

COMPOSITE MATERIAL, METHOD FOR PRODUCING THE COMPOSITE MATERIAL, AND TERMINAL

#5 | 2025-09-04
US20250277324A1
Chemistry; metallurgy

COMPOSITE MATERIAL, METHOD FOR PRODUCING THE COMPOSITE MATERIAL, AND TERMINAL

#6 | 2025-07-17
US20250230566A1
Chemistry; metallurgy

SILVER-PLATED PRODUCT AND METHOD FOR PRODUCING SAME

#7 | 2025-06-05
US20250185158A1
Electricity

COPPER-CERAMIC BONDED SUBSTRATE AND METHOD FOR MANUFACTURING THE SAME

#8 | 2025-06-05
US20250179677A1
Chemistry; metallurgy

COMPOSITE MATERIAL, METHOD FOR PRODUCING THE COMPOSITE MATERIAL, AND TERMINAL

#9 | 2025-05-29
US20250171369A1
Chemistry; metallurgy

COPPER-CERAMIC BONDED SUBSTRATE AND METHOD FOR MANUFACTURING THE SAME

#10 | 2025-03-20
US20250092556A1
Chemistry; metallurgy

SELECTIVE PLATING MASK MEMBER AND SELECTIVE PLATING METHOD

#11 | 2025-01-30
US20250034741A1
Chemistry; metallurgy

COMPOSITE MATERIAL, METHOD FOR PRODUCING THE COMPOSITE MATERIAL, AND TERMINAL

#12 | 2024-11-28
US20240395679A1
Electricity

METAL-CERAMIC BONDED SUBSTRATE AND MANUFACTURING METHOD THEREOF

#13 | 2024-08-29
US20240287699A1
Chemistry; metallurgy

COMPOSITE MATERIAL, METHOD FOR MANUFACTURING COMPOSITE MATERIAL, TERMINAL AND METHOD FOR MANUFACTURING TERMINAL

#14 | 2024-08-29
US20240287697A1
Chemistry; metallurgy

SILVER-PLATED PRODUCT AND METHOD FOR PRODUCING SAME

#15 | 2024-07-11
US20240234240A9
Electricity

ALUMINUM-CERAMIC BONDED SUBSTRATE AND METHOD FOR MANUFACTURING THE SAME

#16 | 2024-06-20
US20240200169A1
Chemistry; metallurgy

COPPER ALLOY SHEET MATERIAL AND METHOD FOR PRODUCING THE COPPER ALLOY SHEET MATERIAL

#17 | 2024-04-25
US20240136249A1
Electricity

ALUMINUM-CERAMIC BONDED SUBSTRATE AND METHOD FOR MANUFACTURING THE SAME

#18 | 2024-01-25 βœ… Patent 12,497,707 granted on 2025-12-16
US20240026558A1
Chemistry; metallurgy

AG-PLATED MATERIAL, METHOD FOR PRODUCING AG-PLATED MATERIAL, AND ELECTRICAL COMPONENT

#19 | 2024-01-18
US20240018680A1
Chemistry; metallurgy

AG-COATED MATERIAL, METHOD FOR PRODUCING AG-COATED MATERIAL, AND TERMINAL COMPONENT

#20 | 2023-10-05 βœ… Patent 12,203,189 granted on 2025-01-21
US20230313402A1
Chemistry; metallurgy

Silver-plated product and method for producing same

#21 | 2023-10-05 βœ… Patent 11,946,127 granted on 2024-04-02
US20230313343A1
Chemistry; metallurgy

Cuβ€”Ti-based copper alloy sheet material, method for producing the same, electric current carrying component, and heat radiation component

#22 | 2023-09-21
US20230298961A1
Electricity

INSULATING SUBSTRATE AND MANUFACTURING METHOD THEREOF

#23 | 2023-08-24 βœ… Patent 12,610,816 granted on 2026-04-21
US20230268245A1
Electricity

INSULATING SUBSTRATE AND MANUFACTURING METHOD THEREOF

#24 | 2023-06-08 βœ… Patent 12,516,435 granted on 2026-01-06
US20230175160A1
Chemistry; metallurgy

COMPOSITE MATERIAL, METHOD FOR PRODUCING COMPOSITE MATERIAL, AND TERMINAL

#25 | 2023-05-11
US20230142395A1
Chemistry; metallurgy

SILVER-PLATED MEMBER, METHOD FOR PRODUCING THE SAME, AND TERMINAL COMPONENT

#26 | 2023-03-30 βœ… Patent 12,297,556 granted on 2025-05-13
US20230097787A1
Chemistry; metallurgy

Silver-plated product and method for producing same

#27 | 2023-03-23 βœ… Patent 12,173,425 granted on 2024-12-24
US20230093655A1
Chemistry; metallurgy

Silver-plated product and method for producing same

#28 | 2023-03-02 βœ… Patent 12,337,421 granted on 2025-06-24
US20230068210A1
Performing operations; transporting

BRAZING MATERIAL, METHOD FOR PRODUCING THE SAME, AND METHOD FOR PRODUCING METAL-CERAMICS BONDED SUBSTRATE

#29 | 2023-02-16 βœ… Patent 11,926,917 granted on 2024-03-12
US20230046780A1
Chemistry; metallurgy

Composite plating material and method for producing the same

#30 | 2023-01-19 βœ… Patent 12,134,814 granted on 2024-11-05
US20230018758A1
Chemistry; metallurgy

Cuβ€”Niβ€”Si-based copper alloy sheet material, method for producing same, and current-carrying component

#31 | 2022-11-17 βœ… Patent 12,300,512 granted on 2025-05-13
US20220367316A1
Electricity

Metal/ceramic bonding substrate and method for producing same

#32 | 2022-08-18 βœ… Patent 11,920,255 granted on 2024-03-05
US20220259753A1
Chemistry; metallurgy

Composite plated product and method for producing same

#33 | 2022-05-26 βœ… Patent 12,049,690 granted on 2024-07-30
US20220162734A1
Chemistry; metallurgy

Copper alloy plate and method for producing same

#34 | 2022-05-05 βœ… Patent 11,761,108 granted on 2023-09-19
US20220136126A1
Chemistry; metallurgy

Method for producing insulated circuit board using a mask and partial plating method using the mask

#35 | 2022-05-05 βœ… Patent 11,898,263 granted on 2024-02-13
US20220136122A1
Chemistry; metallurgy

Plated product and method for producing same

#36 | 2022-03-17 βœ… Patent 11,919,288 granted on 2024-03-05
US20220080704A1
Performing operations; transporting

Method for producing heat radiation member

#37 | 2022-02-03 βœ… Patent 12,221,389 granted on 2025-02-11
US20220033317A1
Chemistry; metallurgy

Aluminum/ceramic bonding substrate and method for producing same

#38 | 2022-02-03 βœ… Patent 12,145,352 granted on 2024-11-19
US20220032580A1
Performing operations; transporting

Metal/ceramic bonding substrate and method for producing same

#39 | 2021-08-05 βœ… Patent 11,946,129 granted on 2024-04-02
US20210238724A1
Chemistry; metallurgy

Cuβ€”Niβ€”Al based copper alloy sheet material, method for producing same, and conductive spring member

#40 | 2020-12-31 βœ… Patent 11,591,673 granted on 2023-02-28
US20200407824A1
Chemistry; metallurgy

Copper alloy plate and method for producing same

#41 | 2020-09-24 βœ… Patent 11,208,730 granted on 2021-12-28
US20200299852A1
Chemistry; metallurgy

Composite plated product and method for producing same

#42 | 2020-07-23 βœ… Patent 11,225,726 granted on 2022-01-18
US20200232110A1
Chemistry; metallurgy

Composite plated product and method for producing same

#43 | 2020-05-07 βœ… Patent 11,332,815 granted on 2022-05-17
US20200140982A1
Chemistry; metallurgy

Cuβ€”Coβ€”Si-based copper alloy sheet material and method for producing the same, and component using the sheet material

#44 | 2020-03-12
US20200083062A1
Electricity

ELECTRONIC PART MOUNTING SUBSTRATE AND METHOD FOR PRODUCING SAME

#45 | 2020-03-05 βœ… Patent 10,985,485 granted on 2021-04-20
US20200076103A1
Electricity

Tin-plated product and method for producing same

#46 | 2020-02-27 βœ… Patent 11,162,745 granted on 2021-11-02
US20200064087A1
Mechanical engineering

Heat radiating plate and method for producing same

#47 | 2020-02-13 βœ… Patent 11,142,839 granted on 2021-10-12
US20200048785A1
Chemistry; metallurgy

Silver-plated product and method for producing same

#48 | 2019-08-29 βœ… Patent 11,293,084 granted on 2022-04-05
US20190264313A1
Chemistry; metallurgy

Sheet matertal of copper alloy and method for producing same

#49 | 2019-05-09 βœ… Patent 10,982,345 granted on 2021-04-20
US20190136398A1
Chemistry; metallurgy

Tin-plated product and method for producing same

#50 | 2019-04-11 βœ… Patent 11,047,023 granted on 2021-06-29
US20190106769A1
Chemistry; metallurgy

Cu-Ni-Si based copper alloy sheet material and production method

#51 | 2018-09-27 βœ… Patent 10,745,787 granted on 2020-08-18
US20180274074A1
Chemistry; metallurgy

Copper alloy sheet material

#52 | 2018-09-06 βœ… Patent 10,834,823 granted on 2020-11-10
US20180255645A1
Electricity

Producing metal/ceramic circuit board by removing residual silver

#53 | 2018-08-30 βœ… Patent 11,078,587 granted on 2021-08-03
US20180245230A1
Chemistry; metallurgy

Tin-plated product and method for producing same

#54 | 2018-03-22 βœ… Patent 10,676,835 granted on 2020-06-09
US20180080135A1
Chemistry; metallurgy

Tin-plated product and method for producing same

#55 | 2017-12-28 βœ… Patent 10,501,858 granted on 2019-12-10
US20170370015A1
Chemistry; metallurgy

Silver-plated product and method for producing same

#56 | 2017-05-04 βœ… Patent 10,180,293 granted on 2019-01-15
US20170122681A1
Mechanical engineering

Heat radiating plate and method for producing same

#57 | 2017-03-30 βœ… Patent 10,829,862 granted on 2020-11-10
US20170088965A1
Chemistry; metallurgy

Tin-plated product and method for producing same

#58 | 2016-09-29 βœ… Patent 10,077,502 granted on 2018-09-18
US20160281253A1
Chemistry; metallurgy

Silver-plated product

#59 | 2016-09-22 βœ… Patent 10,072,348 granted on 2018-09-11
US20160273120A1
Chemistry; metallurgy

Silver-plated product

#60 | 2016-09-15 βœ… Patent 10,597,791 granted on 2020-03-24
US20160265127A1
Chemistry; metallurgy

Silver-plated product and method for producing same

#61 | 2016-07-21 βœ… Patent 9,831,157 granted on 2017-11-28
US20160211195A1
Electricity

Method of attaching an electronic part to a copper plate having a surface roughness

#62 | 2016-07-14 βœ… Patent 10,844,468 granted on 2020-11-24
US20160201179A1
Chemistry; metallurgy

Copper alloy sheet material and current-carrying component

#63 | 2015-12-10 βœ… Patent 10,199,132 granted on 2019-02-05
US20150357074A1
Electricity

High strength Cuβ€”Niβ€”Coβ€”Si based copper alloy sheet material and method for producing the same, and current carrying component

#64 | 2015-10-08 βœ… Patent 9,944,565 granted on 2018-04-17
US20150284296A1
Chemistry; metallurgy

Metal/ceramic bonding substrate and method for producing same

#65 | 2015-09-17 βœ… Patent 9,534,307 granted on 2017-01-03
US20150259815A1
Chemistry; metallurgy

Silver-plated product and method for producing same

#66 | 2015-08-27 βœ… Patent 9,646,739 granted on 2017-05-09
US20150243408A1
Electricity

Method for producing silver-plated product

#67 | 2015-08-13 βœ… Patent 9,698,554 granted on 2017-07-04
US20150229092A1
Electricity

Female terminal fabricating method

#68 | 2015-02-26 βœ… Patent 9,493,859 granted on 2016-11-15
US20150053314A1
Electricity

Manufacturing method of copper alloy sheet

#69 | 2015-02-05 βœ… Patent 9,905,951 granted on 2018-02-27
US20150037608A1
Electricity

Silver-plated product

#70 | 2014-10-30 βœ… Patent 9,318,818 granted on 2016-04-19
US20140322992A1
Electricity

Electrical connector and manufacturing method thereof

#71 | 2014-10-02 βœ… Patent 9,683,307 granted on 2017-06-20
US20140291159A1
Chemistry; metallurgy

Partial plating device and partial plating method

#72 | 2014-09-25 βœ… Patent 9,396,827 granted on 2016-07-19
US20140283963A1
Electricity

Cuβ€”Ti based copper alloy sheet material and method for producing the same, and electric current carrying component

#73 | 2014-09-04 βœ… Patent 9,431,737 granted on 2016-08-30
US20140248809A1
Electricity

Fitting type connecting terminal and method for producing same

#74 | 2014-05-29 βœ… Patent 10,510,557 granted on 2019-12-17
US20140147695A1
Performing operations; transporting

Electronic part mounting substrate and method for producing same

#75 | 2014-05-01 βœ… Patent 9,412,482 granted on 2016-08-09
US20140116583A1
Electricity

Cu-Ni-Co-Si based copper alloy sheet material and method for producing the same

#76 | 2014-03-27 βœ… Patent 10,619,948 granted on 2020-04-14
US20140083671A1
Mechanical engineering

Heat radiating plate with supporting members and protrusion members

#77 | 2014-02-27 βœ… Patent 9,713,253 granted on 2017-07-18
US20140057131A1
Electricity

Metal/ceramic bonding substrate and method for producing same

#78 | 2013-08-29 βœ… Patent 9,356,412 granted on 2016-05-31
US20130225017A1
Electricity

Female terminal and method for fabricating female terminal

#79 | 2012-12-06 βœ… Patent 9,320,129 granted on 2016-04-19
US20120305292A1
Electricity

Liquid-cooled integrated substrate and manufacturing method of liquid-cooled integrated substrate

#80 | 2012-11-08 βœ… Patent 8,927,873 granted on 2015-01-06
US20120279761A1
Electricity

Fin-integrated substrate and manufacturing method of fin-integrated substrate

#81 | 2012-11-08 βœ… Patent 10,174,406 granted on 2019-01-08
US20120279618A1
Chemistry; metallurgy

Copper alloy plate and method for producing same

#82 | 2012-06-21 βœ… Patent 8,745,841 granted on 2014-06-10
US20120152482A1
Electricity

Aluminum bonding member and method for producing same

#83 | 2012-03-01 βœ… Patent 9,284,628 granted on 2016-03-15
US20120049130A1
Chemistry; metallurgy

Copper alloy sheet and method for producing same

#84 | 2011-11-03
US20110268920A1
Chemistry; metallurgy

TIN-PLATED PRODUCT AND METHOD FOR PRODUCING SAME

#85 | 2011-10-06 βœ… Patent 8,992,702 granted on 2015-03-31
US20110240180A1
Chemistry; metallurgy

Copper alloy sheet, manufacturing method of copper alloy sheet, and electric/electronic component

#86 | 2011-06-16 βœ… Patent 8,262,769 granted on 2012-09-11
US20110138966A1
Chemistry; metallurgy

Method of detinning Sn plating layer on Cu-based material

#87 | 2010-10-28 βœ… Patent 9,994,933 granted on 2018-06-12
US20100269959A1
Chemistry; metallurgy

Copper alloy sheet and method for producing same

#88 | 2010-06-10 βœ… Patent 8,097,102 granted on 2012-01-17
US20100139822A1
Chemistry; metallurgy

Cu-Ti-based copper alloy sheet material and method of manufacturing same

#89 | 2010-06-03 βœ… Patent 8,871,041 granted on 2014-10-28
US20100132851A1
Chemistry; metallurgy

Copper alloy plate and method for producing same

#90 | 2009-09-17
US20090229987A1
Chemistry; metallurgy

METHOD FOR PRODUCING COMPOSITE PLATED PRODUCT

#91 | 2009-01-15 βœ… Patent 8,293,039 granted on 2012-10-23
US20090014102A1
Chemistry; metallurgy

Method of manufacturing copper-based alloy sheet

#92 | 2008-08-14 βœ… Patent 9,034,123 granted on 2015-05-19
US20080190524A1
Chemistry; metallurgy

Cuβ€”Niβ€”Si-based copper alloy sheet material and method of manufacturing same

#93 | 2007-10-04 βœ… Patent 7,926,543 granted on 2011-04-19
US20070227685A1
Performing operations; transporting

Method for producing metal/ceramic bonding substrate

#94 | 2007-04-26 βœ… Patent 8,039,757 granted on 2011-10-18
US20070089291A1
Electricity

Electronic part mounting substrate and method for producing same

#95 | 2007-01-25 βœ… Patent 8,011,416 granted on 2011-09-06
US20070017652A1
Chemistry; metallurgy

Apparatus, mold, and method for manufacturing metal-ceramic composite member

#96 | 2006-11-02 βœ… Patent 7,487,585 granted on 2009-02-10
US20060242826A1
Electricity

Method of manufacturing a metal-ceramic circuit board

#97 | 2006-09-07 βœ… Patent 7,776,426 granted on 2010-08-17
US20060198994A1
Electricity

Ceramic circuit substrate and manufacturing method thereof

#98 | 2006-06-29 βœ… Patent 7,544,274 granted on 2009-06-09
US20060137987A1
Chemistry; metallurgy

Plating device and plating method

#99 | 2006-03-02 βœ… Patent 7,563,408 granted on 2009-07-21
US20060045790A1
Chemistry; metallurgy

Copper alloy and method of manufacturing the same

Also check out DOWA METALTECH CO., LTD.'s (Tokyo, Japan) applicant profile with 76 patent applications submitted.

AssigneeID:

37008 ⎘