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Woojin NA

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  • Suwon-si, KR
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Patents Grantslast 30 patents

  • Information Patent Grant

    Station of robot cleaner
    • Patent number 11,452,418
    • Issue date Sep 27, 2022
    • Samsung Electronics Co., Ltd.
    • Woojin Na
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Grant

    Robot cleaner station
    • Patent number 11,452,417
    • Issue date Sep 27, 2022
    • Samsung Electronics Co., Ltd.
    • Woojin Na
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...

Patents Applicationslast 30 patents

  • Information Patent Application

    ROBOT CLEANER
    • Publication number 20240358214
    • Publication date Oct 31, 2024
    • Samsung Electronics Co., Ltd.
    • Woojin NA
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    CLEANING DEVICE
    • Publication number 20240156314
    • Publication date May 16, 2024
    • Samsung Electronics Co., Ltd.
    • Woojin NA
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    CLEANING DEVICE AND OPERATION METHOD THEREOF
    • Publication number 20240023771
    • Publication date Jan 25, 2024
    • Samsung Electronics Co., Ltd.
    • Woojin NA
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    ROBOT CLEANER STATION
    • Publication number 20230284854
    • Publication date Sep 14, 2023
    • Samsung Electronics Co., Ltd.
    • Ingyu CHOI
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    STATION OF ROBOT CLEANER
    • Publication number 20210038034
    • Publication date Feb 11, 2021
    • Samsung Electronics Co., Ltd.
    • Woojin NA
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
  • Information Patent Application

    ROBOT CLEANER STATION
    • Publication number 20210000315
    • Publication date Jan 7, 2021
    • Samsung Electronics Co., Ltd.
    • Woojin NA
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...