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Pinghua DUAN

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  • Nanjing, CN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Printed circuit board
    • Patent number 12,004,287
    • Issue date Jun 4, 2024
    • Telefonaktiebolaget LM Ericsson (publ)
    • Pinghua Duan
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Printed circuit board assembly
    • Patent number 11,437,744
    • Issue date Sep 6, 2022
    • Telefonaktiebolaget LM Ericsson (publ)
    • Pinghua Duan
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Vent filter and radio remote unit
    • Patent number 11,110,381
    • Issue date Sep 7, 2021
    • Telefonaktiebolaget LM Ericsson (publ)
    • Xiaogang Song
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    Circuit Board Assembly and Radio Unit Comprising the Same
    • Publication number 20240080981
    • Publication date Mar 7, 2024
    • Telefonaktiebolaget LM Ericsson (publ)
    • Donghai Yu
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    PRINTED CIRCUIT BOARD
    • Publication number 20230051976
    • Publication date Feb 16, 2023
    • Telefonaktiebolaget LM Ericsson (publ)
    • Pinghua DUAN
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Board Drilling Apparatus, Drill Bit, and Method for Board Drilling...
    • Publication number 20220371103
    • Publication date Nov 24, 2022
    • Telefonaktiebolaget LM Ericsson (publ)
    • Pinghua Duan
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Loose-Proof Screw Assembly and Fastened Structure Comprising the Same
    • Publication number 20220106977
    • Publication date Apr 7, 2022
    • Telefonaktiebolaget LM Ericsson (publ)
    • Pinghua Duan
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    PRINTED CIRCUIT BOARD ASSEMBLY
    • Publication number 20210194161
    • Publication date Jun 24, 2021
    • Telefonaktiebolaget LM Ericsson (publ)
    • Pinghua DUAN
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    VENT FILTER AND RADIO REMOTE UNIT
    • Publication number 20210077936
    • Publication date Mar 18, 2021
    • Telefonaktiebolaget LM Ericsson (publ)
    • Xiaogang SONG
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL