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Siuli SARKAR

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  • Bangalore, IN
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Patents Grantslast 30 patents

  • Information Patent Grant

    Dielectric ink composition
    • Patent number 12,084,583
    • Issue date Sep 10, 2024
    • Alpha Assembly Solutions Inc.
    • Narahari Pujari
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Graphene enhanced and engineered materials for membrane touch switc...
    • Patent number 11,624,000
    • Issue date Apr 11, 2023
    • Alpha Assembly Solutions Inc.
    • Nirmalya Kumar Chaki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Advanced solder alloys for electronic interconnects
    • Patent number 11,411,150
    • Issue date Aug 9, 2022
    • Alpha Assembly Solutions Inc.
    • Morgana de Avila Ribas
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Sintering materials and attachment methods using same
    • Patent number 11,389,865
    • Issue date Jul 19, 2022
    • Alpha Assembly Solutions Inc.
    • Shamik Ghoshal
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Dielectric ink composition
    • Patent number 11,193,031
    • Issue date Dec 7, 2021
    • Alpha Assembly Solutions Inc.
    • Narahari Pujari
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Sintering paste
    • Patent number 11,162,007
    • Issue date Nov 2, 2021
    • Alpha Assembly Solutions Inc.
    • Shamik Ghosal
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Lead-free and antimony-free tin solder reliable at high temperatures
    • Patent number 11,090,768
    • Issue date Aug 17, 2021
    • Alpha Assembly Solutions Inc.
    • Pritha Choudhury
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    High reliability lead-free solder alloy
    • Patent number 10,821,557
    • Issue date Nov 3, 2020
    • Alpha Assembly Solutions Inc.
    • Morgana De Avila Ribas
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Engineered polymer-based electronic materials
    • Patent number 10,682,732
    • Issue date Jun 16, 2020
    • Alpha Assembly Solutions Inc.
    • Ramakrishna Hosur Venkatagiriyappa
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Metal recovery
    • Patent number 10,494,696
    • Issue date Dec 3, 2019
    • Alpha Assembly Solution Inc.
    • Narahari Pujari
    • C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
  • Information Patent Grant

    Sintering powder
    • Patent number 10,259,980
    • Issue date Apr 16, 2019
    • Alpha Assembly Solutions Inc.
    • Shamik Ghosal
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Rosin-free thermosetting flux formulations
    • Patent number 9,802,275
    • Issue date Oct 31, 2017
    • Morgana de Avila Ribas
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Dual-side reinforcement flux for encapsulation
    • Patent number 9,786,629
    • Issue date Oct 10, 2017
    • Ramakrishna Hosur Venkatagiriyappa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Flux formulations
    • Patent number 9,751,159
    • Issue date Sep 5, 2017
    • Narahari Pujari
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Flux formulations
    • Patent number 9,566,668
    • Issue date Feb 14, 2017
    • Narahari Pujari
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Particles and inks and films using them
    • Patent number 9,217,088
    • Issue date Dec 22, 2015
    • Alpha Metals, Inc.
    • Sachin Parashar
    • B82 - NANO-TECHNOLOGY
  • Information Patent Grant

    Particles and inks and films using them
    • Patent number 7,968,008
    • Issue date Jun 28, 2011
    • Fry's Metals, Inc.
    • Sachin Parashar
    • B82 - NANO-TECHNOLOGY

Patents Applicationslast 30 patents

  • Information Patent Application

    Production of Graphene
    • Publication number 20240351882
    • Publication date Oct 24, 2024
    • Alpha Assembly Solutions Inc.
    • Nirmalya Kumar CHAKI
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Application

    LEAD-FREE AND ANTIMONY-FREE TIN SOLDER RELIABLE AT HIGH TEMPERATURES
    • Publication number 20230330788
    • Publication date Oct 19, 2023
    • Alpha Assembly Solutions Inc.
    • Pritha Choudhury
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    GRAPHENE ENHANCED AND ENGINEERED MATERIALS FOR MEMBRANE TOUCH SWITC...
    • Publication number 20230287232
    • Publication date Sep 14, 2023
    • Alpha Assembly Solutions Inc.
    • Nirmalya Kumar CHAKI
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    SINTERING POWDER
    • Publication number 20220169905
    • Publication date Jun 2, 2022
    • Alpha Assembly Solutions Inc.
    • Shamik Ghosal
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Application

    DIELECTRIC INK COMPOSITION
    • Publication number 20220064466
    • Publication date Mar 3, 2022
    • Alpha Assembly Solutions Inc.
    • Narahari PUJARI
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    DIELECTRIC INK COMPOSITION
    • Publication number 20200190347
    • Publication date Jun 18, 2020
    • Alpha Assembly Solutions Inc.
    • Narahari PUJARI
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    GRAPHENE ENHANCED AND ENGINEERED MATERIALS FOR MEMBRANE TOUCH SWITC...
    • Publication number 20200087528
    • Publication date Mar 19, 2020
    • Alpha Assembly Solutions Inc.
    • Nirmalya Kumar CHAKI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    High Reliability Lead-Free Solder Alloy
    • Publication number 20190389012
    • Publication date Dec 26, 2019
    • Morgana De Avila Ribas
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    HIGH IMPACT SOLDER TOUGHNESS ALLOY
    • Publication number 20190262951
    • Publication date Aug 29, 2019
    • ALPHA ASSEMBLY SOLUTIONS, INC.
    • Ranjit Pandher
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    HIGH IMPACT SOLDER TOUGHNESS ALLOY
    • Publication number 20190255662
    • Publication date Aug 22, 2019
    • Alpha Assembly Solutions Inc.
    • Ranjit Pandher
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Sintering Powder
    • Publication number 20190194517
    • Publication date Jun 27, 2019
    • Alpha Assembly Solutions Inc.
    • Shamik Ghosal
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Application

    Advanced Solder Alloys For Electronic Interconnects
    • Publication number 20190157535
    • Publication date May 23, 2019
    • Alpha Assembly Solutions Inc.
    • Morgana de Avila Ribas
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Engineered Polymer-Based Electronic Materials
    • Publication number 20190143461
    • Publication date May 16, 2019
    • Alpha Assembly Solutions Inc.
    • Ramakrishna Hosur Venkatagiriyappa
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    High Impact Solder Toughness Alloy
    • Publication number 20180290244
    • Publication date Oct 11, 2018
    • ALPHA METALS, INC.
    • Ranjit Pandher
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Advanced Solder Alloys For Electronic Interconnects
    • Publication number 20180102464
    • Publication date Apr 12, 2018
    • Alpha Assembly Solutions Inc.
    • Morgana de Avila Ribas
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    Production of Graphene
    • Publication number 20180072573
    • Publication date Mar 15, 2018
    • ALPHA METALS, INC.
    • Nirmalya Kumar Chaki
    • C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
  • Information Patent Application

    Engineered Polymer-Based Electronic Materials
    • Publication number 20180056455
    • Publication date Mar 1, 2018
    • Alpha Assembly Solutions Inc.
    • Ramakrishna Hosur Venkatagiriyappa
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    High Impact Solder Toughness Alloy
    • Publication number 20170304955
    • Publication date Oct 26, 2017
    • Alpha Assembly Solutions Inc.
    • Ranjit Pandher
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    Sintering Materials and Attachment Methods Using Same
    • Publication number 20170144221
    • Publication date May 25, 2017
    • ALPHA METALS, INC.
    • Shamik GHOSHAL
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    High Impact Solder Toughness Alloy
    • Publication number 20170136583
    • Publication date May 18, 2017
    • ALPHA METALS, INC.
    • Ranjit Pandher
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    Flux Formulations
    • Publication number 20170106479
    • Publication date Apr 20, 2017
    • Alpha Assembly Solutions Inc.
    • Narahari Pujari
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Rosin-Free Thermosetting Flux Formulations
    • Publication number 20160318134
    • Publication date Nov 3, 2016
    • ALPHA METALS, INC.
    • Morgana de Avila Ribas
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    METAL RECOVERY
    • Publication number 20160304989
    • Publication date Oct 20, 2016
    • ALPHA METALS, INC.
    • Narahari Pujari
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    HIGH IMPACT SOLDER TOUGHNESS ALLOY
    • Publication number 20160214213
    • Publication date Jul 28, 2016
    • ALPHA METALS, INC.
    • Ranjit Pandher
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    DUAL-SIDE REINFORCEMENT FLUX FOR ENCAPSULATION
    • Publication number 20160163672
    • Publication date Jun 9, 2016
    • ALPHA METALS, INC.
    • Ramakrishna Hosur Venkatagiriyappa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    HIGH IMPACT SOLDER TOUGHNESS ALLOY
    • Publication number 20160144462
    • Publication date May 26, 2016
    • ALPHA METALS, INC.
    • Ranjit Pandher
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    LEAD-FREE AND ANTIMONY-FREE TIN SOLDER RELIABLE AT HIGH TEMPERATURES
    • Publication number 20160023309
    • Publication date Jan 28, 2016
    • ALPHA METALS, INC.
    • Pritha Choudhury
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    SINTERING POWDER
    • Publication number 20150353804
    • Publication date Dec 10, 2015
    • ALPHA METALS, INC.
    • Shamik Ghosal
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Application

    LEAD-FREE AND ANTIMONY-FREE TIN SOLDER RELIABLE AT HIGH TEMPERATURES
    • Publication number 20150266137
    • Publication date Sep 24, 2015
    • ALPHA METALS, INC.
    • Pritha Choudhury
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    LEAD-FREE AND ANTIMONY-FREE TIN SOLDER RELIABLE AT HIGH TEMPERATURES
    • Publication number 20150224604
    • Publication date Aug 13, 2015
    • ALPHA METALS, INC.
    • Pritha Choudhury
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...