TREA

Lye Tatt Cheah

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  • Osaka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Safety switch
    • Patent number 11,908,654
    • Issue date Feb 20, 2024
    • Keyence Corporation
    • Choryon Oh
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Safety switch
    • Patent number 11,551,884
    • Issue date Jan 10, 2023
    • Keyence Corporation
    • Choryon Oh
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Safety door switch
    • Patent number 11,220,855
    • Issue date Jan 11, 2022
    • Keyence Corporation
    • Hiroshi Kashima
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Grant

    Safety door switch
    • Patent number 11,008,798
    • Issue date May 18, 2021
    • Keyence Corporation
    • Hiroshi Kashima
    • G06 - COMPUTING CALCULATING COUNTING

Patents Applicationslast 30 patents

  • Information Patent Application

    Safety Switch
    • Publication number 20240145187
    • Publication date May 2, 2024
    • KEYENCE CORPORATION
    • Choryon Oh
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Safety Switch
    • Publication number 20230104627
    • Publication date Apr 6, 2023
    • KEYENCE CORPORATION
    • Choryon Oh
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Safety Door Switch
    • Publication number 20210222478
    • Publication date Jul 22, 2021
    • KEYENCE CORPORATION
    • Hiroshi Kashima
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    Safety Door Switch
    • Publication number 20190316405
    • Publication date Oct 17, 2019
    • KEYENCE CORPORATION
    • Hiroshi Kashima
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    Safety Switch
    • Publication number 20190316381
    • Publication date Oct 17, 2019
    • KEYENCE CORPORATION
    • Choryon Oh
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES