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Changbae Hwang

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  • Seoul, KR
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Patents Grantslast 30 patents

  • Information Patent Grant

    Nano-micro bubble generator
    • Patent number 11,779,890
    • Issue date Oct 10, 2023
    • CYAG CO., LTD.
    • Changbae Hwang
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

Patents Applicationslast 30 patents

  • Information Patent Application

    AIR PURIFICATION APPARATUS
    • Publication number 20250025592
    • Publication date Jan 23, 2025
    • CYAG CO., LTD
    • Changbae HWANG
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    NANO-MICRO BUBBLE GENERATOR
    • Publication number 20210060502
    • Publication date Mar 4, 2021
    • CYAG CO., LTD.
    • Changbae Hwang
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL