Anhui Changgeng Optics Technology Co., LTD

Organization

  • Anhui Province,, CN

Patents Grantslast 30 patents

  • Information Patent Grant

    Juicer

    • Patent number D850867
    • Issue date Jun 11, 2019
    • ANHUI CHANGGENG OPTICS TECHNOLOGY CO., LTD.
    • Wei-Chih Lin
    • D07 - Equipment for preparing or serving food or drink not elsewhere specified
  • Information Patent Grant

    Mirrorless large-aperture ultra wide-angle lens

    • Patent number 10,302,919
    • Issue date May 28, 2019
    • ANHUI CHANGGENG OPTICS TECHNOLOGY CO., LTD.
    • Xiaohua Zhang
    • G02 - OPTICS

Patents Applicationslast 30 patents

  • Information Patent Application

    ULTRA WIDE-ANGLE LARGE APERTURE LENS

    • Publication number 20180188481
    • Publication date Jul 5, 2018
    • Anhui Changgeng Optics Technology Co., LTD.
    • Dunwu ZUO
    • G02 - OPTICS
  • Information Patent Application

    Shift Converter

    • Publication number 20180164584
    • Publication date Jun 14, 2018
    • Anhui Changgeng Optics Technology Co., LTD
    • Xiaohua ZHANG
    • G02 - OPTICS
  • Information Patent Application

    Mirrorless Large-aperture Ultra Wide-angle Lens

    • Publication number 20180149842
    • Publication date May 31, 2018
    • Anhui Changgeng Optics Technology Co., LTD
    • Xiaohua ZHANG
    • G02 - OPTICS

Trademarklast 30 trademarks

  • Information Trademark

    79361691 - LAOWA

    • Serial number 79361691
    • Registration number 7341814
    • Filing date Oct 19, 2022
    • Anhui Changgeng Optics Technology Co., Ltd.
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    87366136 - LAOWA

    • Serial number 87366136
    • Registration number 5300837
    • Filing date Mar 10, 2017
    • Anhui Changgeng Optics Technology Co., LTD
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments
  • Information Trademark

    87366139

    • Serial number 87366139
    • Registration number 5322318
    • Filing date Mar 10, 2017
    • Anhui Changgeng Optics Technology Co., LTD
    • 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments