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Seongsik CHANG

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  • Palo Alto, CA, US
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    ADDITIVE MANUFACTURE WITH LINE-SHAPED ENERGY BEAM
    • Publication number 20240190072
    • Publication date Jun 13, 2024
    • Hewlett-Packard Development Company, L.P.
    • Seongsik Chang
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    NON-UNIFORM ELECTRIC FIELDS TO COMPACT METAL POWDER BUILD MATERIAL
    • Publication number 20230321730
    • Publication date Oct 12, 2023
    • Hewlett-Packard Development Company, L.P.
    • Seongsik Chang
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Application

    ADDITIVE MANUFACTURING OF METALS
    • Publication number 20210402474
    • Publication date Dec 30, 2021
    • Hewlett-Packard Development Company, L.P.
    • Seongsik Chang
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Application

    ADDITIVE MANUFACTURING OF METALS
    • Publication number 20210362237
    • Publication date Nov 25, 2021
    • Hewlett-Packard Development Company, L.P.
    • Seongsik Chang
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Application

    ADDITIVE MANUFACTURING DEVICES WITH MICROMIRRORS
    • Publication number 20210362232
    • Publication date Nov 25, 2021
    • Hewlett-Packard Development Company, L.P.
    • Krzysztof Nauka
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Application

    METAL POWDER COMPACTORS
    • Publication number 20210354202
    • Publication date Nov 18, 2021
    • Hewlett-Packard Development Company, L.P.
    • Thomas Anthony
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Application

    SELECTIVE LASER MELTING (SLM) ADDITIVE MANUFACTURING
    • Publication number 20210331271
    • Publication date Oct 28, 2021
    • Hewlett-Packard Development Company, L.P.
    • Krzysztof Nauka
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    SELECTIVELY MELT MICRON-SIZED PARTICLES USING MICRO-MIRRORS
    • Publication number 20210331252
    • Publication date Oct 28, 2021
    • Hewlett-Packard Development Company, L.P.
    • Seongsik Chang
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Application

    CHARGE ROLLER VOLTAGE DETERMINATION
    • Publication number 20210302860
    • Publication date Sep 30, 2021
    • Hewlett-Packard Development Company, L.P.
    • Seongsik Chang
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    PRINTERS WITH ORIENTABLE MICRO-MIRRORS
    • Publication number 20210268744
    • Publication date Sep 2, 2021
    • Hewlett-Packard Development Company, L.P.
    • Seongsik Chang
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    MOUNTS FOR MICRO-MIRRORS
    • Publication number 20210252602
    • Publication date Aug 19, 2021
    • Hewlett-Packard Development Company, L.P.
    • Seongsik Chang
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Application

    CHARGE ROLLER GAP DETERMINATION
    • Publication number 20210223711
    • Publication date Jul 22, 2021
    • Hewlett-Packard Development Company, L.P.
    • Seongsik Chang
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    PRINTING DEVICES
    • Publication number 20210205892
    • Publication date Jul 8, 2021
    • Hewlett-Packard Development Company, L.P.
    • Seongsik Chang
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Application

    POWDER LAYER FORMER
    • Publication number 20210060650
    • Publication date Mar 4, 2021
    • Hewlett-Packard Development Company, L.P.
    • Thomas Anthony
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Application

    POWDER BED MATERIALS
    • Publication number 20200324338
    • Publication date Oct 15, 2020
    • Hewlett-Packard Development Company, L.P.
    • Krzysztof Nauka
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Application

    WHEEL
    • Publication number 20200125024
    • Publication date Apr 23, 2020
    • HP INDIGO B.V.
    • Seongsik Chang
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    BINARY INK DEVELOPER (BID) ASSEMBLY FOR LIQUID ELECTROPHOTOGRAPHY (...
    • Publication number 20200041933
    • Publication date Feb 6, 2020
    • Hewlett-Packard Development Company, L.P.
    • Seongsik Chang
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    ELECTRICAL POTENTIAL ENERGY TO ELECTRICAL KINETIC ENERGY CONVERTER,...
    • Publication number 20190378707
    • Publication date Dec 12, 2019
    • Seongsik Chang
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    PHOTOCONDUCTOR REFRESHING CYCLES
    • Publication number 20190294100
    • Publication date Sep 26, 2019
    • HP INDIGO B.V.
    • Sasi Moalem
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    ENERGY-EFFICIENT PLASMA PROCESSES OF GENERATING FREE CHARGES, OZONE...
    • Publication number 20190237301
    • Publication date Aug 1, 2019
    • Seongsik Chang
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Application

    CHARGE ROLLER POSITIONING
    • Publication number 20190064691
    • Publication date Feb 28, 2019
    • HP Indigo, B.V.
    • Shmuel BORENSTAIN
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    BINARY INK DEVELOPER (BID) ASSEMBLY FOR LIQUID ELECTROPHOTOGRAPHY (...
    • Publication number 20190041771
    • Publication date Feb 7, 2019
    • Hewlett-Packard Development Company, L.P.
    • Seongsik CHANG
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    LIQUID ELECTROPHOTOGRAPHIC INK DEVELOPER UNIT
    • Publication number 20180321618
    • Publication date Nov 8, 2018
    • Hewlett-Packard Development Company, L.P.
    • Guang Jin Li
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Application

    ENERGY-EFFICIENT PLASMA PROCESSES OF GENERATING FREE CHARGES, OZONE...
    • Publication number 20180315582
    • Publication date Nov 1, 2018
    • Seongsik Chang
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Application

    INNER RESISTIVE FILM WITH DUCTILE PARTICLES AND OUTER RESISTIVE FILM
    • Publication number 20180259870
    • Publication date Sep 13, 2018
    • Hewlett-Packard Development Company, L.P.
    • Thomas Anthony
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    PHOTOCONDUCTOR REFRESHING CYCLES
    • Publication number 20180224798
    • Publication date Aug 9, 2018
    • HP INDIGO B.V.
    • Sasi MOALEN
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    CHARGE ROLLER POSITIONING
    • Publication number 20180017886
    • Publication date Jan 18, 2018
    • Shmuel Borenstain
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    Liquid Electrography Printing
    • Publication number 20170242363
    • Publication date Aug 24, 2017
    • Hewlett-Packard Development Company, L.P.
    • Omer Gila
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    RESISTIVE FILM WITH DUCTILE PARTICLES
    • Publication number 20170235246
    • Publication date Aug 17, 2017
    • Hewlett-Packard Development Company, L.P.
    • Thomas Anthony
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Application

    INNER RESISTIVE FILM WITH DUCTILE PARTICLES AND OUTER RESISTIVE FIL...
    • Publication number 20170219949
    • Publication date Aug 3, 2017
    • Hewlett-Packard Development Company, L.P.
    • Thomas Anthony
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS