TREA

Roujuan CHEN

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  • Zhuhai, CN
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Patents Applicationslast 30 patents

  • Information Patent Application

    DRUM UNIT AND PROCESSING CARTRIDGE
    • Publication number 20250237991
    • Publication date Jul 24, 2025
    • Zhuhai Ninestar Information Technology Co., Ltd
    • Qin LUO
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    PROCESS CARTRIDGE
    • Publication number 20250189926
    • Publication date Jun 12, 2025
    • Zhuhai Ninestar Information Technology Co., Ltd
    • Qijie LIANG
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    PROCESS CARTRIDGE
    • Publication number 20250013194
    • Publication date Jan 9, 2025
    • Zhuhai Ninestar Information Technology Co., Ltd
    • Baosheng ZHONG
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY