Assignee
DOWA METALTECH CO LTD
JP·59 granted patents·24 pending applications·33 citations·filing 2005–2025
Top patents by PatentIndex Score
83 records- 0191US9412482B2Cu-Ni-Co-Si based copper alloy sheet material and method for producing the sameDOWA METALTECH CO LTD·Filed 2013·Granted Aug 9, 2016·8 cites·2 claims
- 0286US9905951B2Silver-plated productDOWA METALTECH CO LTD·Filed 2013·Granted Feb 27, 2018·3 cites·6 claims
- 0383US10619948B2Heat radiating plate with supporting members and protrusion membersDOWA METALTECH CO LTD·Filed 2013·Granted Apr 14, 2020·4 cites·8 claims
- 0478US9944565B2Metal/ceramic bonding substrate and method for producing sameDOWA METALTECH CO LTD·Filed 2012·Granted Apr 17, 2018·6 cites·16 claims
- 0575US11142839B2Silver-plated product and method for producing sameDOWA METALTECH CO LTD·Filed 2019·Granted Oct 12, 2021·0 cites·4 claims
- 0673US2025230566A1Silver-plated product and method for producing sameDOWA METALTECH CO LTD·Filed 2025·Application pending·0 cites
- 0770US12297556B2Silver-plated product and method for producing sameDOWA METALTECH CO LTD·Filed 2021·Granted May 13, 2025·0 cites·26 claims
- 0870US12203189B2Silver-plated product and method for producing sameDOWA METALTECH CO LTD·Filed 2021·Granted Jan 21, 2025·0 cites·19 claims
- 0967US10510557B2Electronic part mounting substrate and method for producing sameDOWA METALTECH CO LTD·Filed 2013·Granted Dec 17, 2019·0 cites·13 claims
- 1067US9831157B2Method of attaching an electronic part to a copper plate having a surface roughnessDOWA METALTECH CO LTD·Filed 2014·Granted Nov 28, 2017·2 cites·7 claims
- 1167US8011416B2Apparatus, mold, and method for manufacturing metal-ceramic composite memberDOWA METALTECH CO LTD·Filed 2006·Granted Sep 6, 2011·3 cites·6 claims
- 1266US12497707B2Ag-plated material, method for producing Ag-plated material, and electrical componentDOWA METALTECH CO LTD·Filed 2021·Granted Dec 16, 2025·0 cites·12 claims
- 1366US10072348B2Silver-plated productDOWA METALTECH CO LTD·Filed 2014·Granted Sep 11, 2018·0 cites·3 claims
- 1464US7563408B2Copper alloy and method of manufacturing the sameDOWA METALTECH CO LTD·Filed 2005·Granted Jul 21, 2009·2 cites·10 claims
- 1563US12516435B2Composite material, method for producing composite material, and terminalDOWA METALTECH CO LTD·Filed 2021·Granted Jan 6, 2026·0 cites·14 claims
- 1663US11946127B2Cu—Ti-based copper alloy sheet material, method for producing the same, electric current carrying component, and heat radiation componentDOWA METALTECH CO LTD·Filed 2023·Granted Apr 2, 2024·0 cites·13 claims
- 1763US9493859B2Manufacturing method of copper alloy sheetDOWA METALTECH CO LTD·Filed 2014·Granted Nov 15, 2016·0 cites·6 claims
- 1863US7487585B2Method of manufacturing a metal-ceramic circuit boardDOWA METALTECH CO LTD·Filed 2006·Granted Feb 10, 2009·2 cites·7 claims
- 1962US10982345B2Tin-plated product and method for producing sameDOWA METALTECH CO LTD·Filed 2017·Granted Apr 20, 2021·0 cites·9 claims
- 2062US2026055528A1Silver-plated product and method for producing sameDOWA METALTECH CO LTD·Filed 2022·Application pending·0 cites
- 2161US10597791B2Silver-plated product and method for producing sameDOWA METALTECH CO LTD·Filed 2014·Granted Mar 24, 2020·0 cites·8 claims
- 2261US9534307B2Silver-plated product and method for producing sameDOWA METALTECH CO LTD·Filed 2013·Granted Jan 3, 2017·0 cites·4 claims
- 2360US11926917B2Composite plating material and method for producing the sameDOWA METALTECH CO LTD·Filed 2020·Granted Mar 12, 2024·0 cites·18 claims
- 2460US11225726B2Composite plated product and method for producing sameDOWA METALTECH CO LTD·Filed 2020·Granted Jan 18, 2022·0 cites·7 claims
- 2560US7926543B2Method for producing metal/ceramic bonding substrateDOWA METALTECH CO LTD·Filed 2007·Granted Apr 19, 2011·1 cites·9 claims
- 2660US2026098354A1Composite material, terminal and method for manufacturing terminalDOWA METALTECH CO LTD·Filed 2023·Application pending·0 cites
- 2759US11208730B2Composite plated product and method for producing sameDOWA METALTECH CO LTD·Filed 2020·Granted Dec 28, 2021·0 cites·7 claims
- 2859US2025382720A1Composite material, method for producing the composite material, and terminalDOWA METALTECH CO LTD·Filed 2023·Application pending·0 cites
- 2959US2024287697A1Silver-plated product and method for producing sameDOWA METALTECH CO LTD·Filed 2022·Application pending·0 cites
- 3059US2025043454A1Silver-plated material production method and silver-plated materialDOWA METALTECH CO LTD·Filed 2022·Application pending·0 cites
- 3158US11919288B2Method for producing heat radiation memberDOWA METALTECH CO LTD·Filed 2021·Granted Mar 5, 2024·0 cites·2 claims
- 3258US2025179677A1Composite material, method for producing the composite material, and terminalDOWA METALTECH CO LTD·Filed 2023·Application pending·0 cites
- 3358US2025277324A1Composite material, method for producing the composite material, and terminalDOWA METALTECH CO LTD·Filed 2023·Application pending·0 cites
- 3457US12337421B2Brazing material, method for producing the same, and method for producing metal-ceramics bonded substrateDOWA METALTECH CO LTD·Filed 2021·Granted Jun 24, 2025·0 cites·15 claims
- 3557US2025034741A1Composite material, method for producing the composite material, and terminalDOWA METALTECH CO LTD·Filed 2022·Application pending·0 cites
- 3656US12300512B2Metal/ceramic bonding substrate and method for producing sameDOWA METALTECH CO LTD·Filed 2020·Granted May 13, 2025·0 cites·6 claims
- 3756US12173425B2Silver-plated product and method for producing sameDOWA METALTECH CO LTD·Filed 2021·Granted Dec 24, 2024·0 cites·25 claims
- 3856US11591673B2Copper alloy plate and method for producing sameDOWA METALTECH CO LTD·Filed 2019·Granted Feb 28, 2023·0 cites·14 claims
- 3956US10676835B2Tin-plated product and method for producing sameDOWA METALTECH CO LTD·Filed 2016·Granted Jun 9, 2020·0 cites·5 claims
- 4056US2011268920A1Tin-plated product and method for producing sameDOWA METALTECH CO LTD·Filed 2011·Application pending·0 cites
- 4155US12049690B2Copper alloy plate and method for producing sameDOWA METALTECH CO LTD·Filed 2020·Granted Jul 30, 2024·0 cites·14 claims
- 4255US11920255B2Composite plated product and method for producing sameDOWA METALTECH CO LTD·Filed 2020·Granted Mar 5, 2024·0 cites·9 claims
- 4355US11898263B2Plated product and method for producing sameDOWA METALTECH CO LTD·Filed 2020·Granted Feb 13, 2024·0 cites·4 claims
- 4455US11332815B2Cu—Co—Si-based copper alloy sheet material and method for producing the same, and component using the sheet materialDOWA METALTECH CO LTD·Filed 2018·Granted May 17, 2022·0 cites·9 claims
- 4555US10077502B2Silver-plated productDOWA METALTECH CO LTD·Filed 2014·Granted Sep 18, 2018·2 cites·4 claims
- 4655US9683307B2Partial plating device and partial plating methodDOWA METALTECH CO LTD·Filed 2012·Granted Jun 20, 2017·0 cites·17 claims
- 4755US2024018680A1Ag-coated material, method for producing ag-coated material, and terminal componentDOWA METALTECH CO LTD·Filed 2021·Application pending·0 cites
- 4854US12134814B2Cu—Ni—Si-based copper alloy sheet material, method for producing same, and current-carrying componentDOWA METALTECH CO LTD·Filed 2020·Granted Nov 5, 2024·0 cites·10 claims
- 4954US9396827B2Cu—Ti based copper alloy sheet material and method for producing the same, and electric current carrying componentDOWA METALTECH CO LTD·Filed 2014·Granted Jul 19, 2016·0 cites·10 claims
- 5054US2020083062A1Electronic part mounting substrate and method for producing sameDOWA METALTECH CO LTD·Filed 2019·Application pending·0 cites
Showing the top 50 of 83 patent records by PatentIndex Score.
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