TREA

Zhaozhang Zheng

Follow

Person

  • Hangzhou, CN
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Light
    • Patent number D1036712
    • Issue date Jul 23, 2024
    • Hangzhou Hangke Optoelectronics Co., Ltd.
    • Qianjun Yan
    • D26 - Lighting
  • Information Patent Grant

    Line lamp
    • Patent number 11,898,727
    • Issue date Feb 13, 2024
    • Hangzhou Hangke Optoelectronics Co., Ltd.
    • Qianjun Yan
    • F21 - LIGHTING
  • Information Patent Grant

    Manufacturing method of LED filament and manufacturing method of bulb
    • Patent number 11,662,065
    • Issue date May 30, 2023
    • Hangzhou Hangke Optoelectronics Co., Ltd.
    • Qianjun Yan
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    LED filament and bulb
    • Patent number 11,619,357
    • Issue date Apr 4, 2023
    • Hangzhou Hangke Optoelectronics Co., Ltd.
    • Qianjun Yan
    • F21 - LIGHTING
  • Information Patent Grant

    Lamp
    • Patent number 11,614,221
    • Issue date Mar 28, 2023
    • Hangzhou Hangke Optoelectronics Co., Ltd.
    • Qianjun Yan
    • F21 - LIGHTING
  • Information Patent Grant

    Omnidirectional LED light wire and packaging method thereof, light...
    • Patent number 11,393,966
    • Issue date Jul 19, 2022
    • Hangzhou Hangke Optoelectronics Co., Ltd.
    • Qianjun Yan
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Light bulb
    • Patent number D943786
    • Issue date Feb 15, 2022
    • Hangzhou Hangke Optoelectronics Co., Ltd.
    • Qianjun Yan
    • D26 - Lighting
  • Information Patent Grant

    Light bulb
    • Patent number D943788
    • Issue date Feb 15, 2022
    • Hangzhou Hangke Optoelectronics Co., Ltd.
    • Qianjun Yan
    • D26 - Lighting
  • Information Patent Grant

    Light bulb
    • Patent number D943787
    • Issue date Feb 15, 2022
    • Hangzhou Hangke Optoelectronics Co., Ltd.
    • Qianjun Yan
    • D26 - Lighting
  • Information Patent Grant

    Filament lamp lighting module and manufacturing method thereof
    • Patent number 11,215,326
    • Issue date Jan 4, 2022
    • Hangzhou Hangke Optoelectronics Group Co., Ltd.
    • Qianjun Yan
    • F21 - LIGHTING
  • Information Patent Grant

    Color-controllable LED luminescent lamp
    • Patent number 11,187,387
    • Issue date Nov 30, 2021
    • Hangzhou Hangke Optoelectronics Group Co., Ltd.
    • Qianjun Yan
    • F21 - LIGHTING

Patents Applicationslast 30 patents

  • Information Patent Application

    FLEXIBLE FILAMENT SPLICING STRUCTURES
    • Publication number 20240379576
    • Publication date Nov 14, 2024
    • Hangzhou Hangke Optoelectronics Co., Ltd.
    • Qianjun YAN
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    LIGHT TUBES, LIGHT FIXTURES, AND LIGHT BODIES
    • Publication number 20240288144
    • Publication date Aug 29, 2024
    • Hangzhou Hangke Optoelectronics Co., Ltd.
    • Qianjun YAN
    • F21 - LIGHTING
  • Information Patent Application

    LINE LAMP
    • Publication number 20230243486
    • Publication date Aug 3, 2023
    • Hangzhou Hangke Optoelectronics Co., Ltd.
    • Qianjun YAN
    • F21 - LIGHTING
  • Information Patent Application

    LAMP
    • Publication number 20230175657
    • Publication date Jun 8, 2023
    • Hangzhou Hangke Optoelectronics Co., Ltd.
    • Qianjun YAN
    • F21 - LIGHTING
  • Information Patent Application

    LAMP
    • Publication number 20230046106
    • Publication date Feb 16, 2023
    • Hangzhou Hangke Optoelectronics Co., Ltd.
    • Qianjun YAN
    • F21 - LIGHTING
  • Information Patent Application

    LAMP WITH SUSPENDED LIGHT SOURCE
    • Publication number 20230016159
    • Publication date Jan 19, 2023
    • Hangzhou Hangke Optoelectronics Co., Ltd.
    • Qianjun YAN
    • F21 - LIGHTING
  • Information Patent Application

    OMNIDIRECTIONAL LED LIGHT WIRE AND PACKAGING METHOD THEREOF, LIGHT...
    • Publication number 20220158050
    • Publication date May 19, 2022
    • Hangzhou Hangke Optoelectronics Co., Ltd.
    • Qianjun Yan
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    LIGHTING DEVICE AND BULB
    • Publication number 20220146057
    • Publication date May 12, 2022
    • Hangzhou Hangke Optoelectronics Group Co., Ltd.
    • Qianjun Yan
    • F21 - LIGHTING
  • Information Patent Application

    FILAMENT LAMP LIGHTING MODULE AND MANUFACTURING METHOD THEREOF
    • Publication number 20210364133
    • Publication date Nov 25, 2021
    • Hangzhou Hangke Optoelectronics Group Co, Ltd.
    • Qianjun Yan
    • F21 - LIGHTING