TREA

Yoshinari Okamoto

Follow

Person

  • Shenzhen, CN
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Portable charger
    • Patent number D909965
    • Issue date Feb 9, 2021
    • Shenzhen Grandsun Electronic Co., Ltd.
    • Zhou Shiyong
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Sport earphone
    • Patent number D869434
    • Issue date Dec 10, 2019
    • SHENZHEN GRANDSUN ELECTRONIC CO., LTD.
    • Sheng Biao
    • D14 - Recording, communication, or information retrieval equipment
  • Information Patent Grant

    Headphone
    • Patent number D869436
    • Issue date Dec 10, 2019
    • SHENZHEN GRANDSUN ELECTRONIC CO., LTD.
    • Mei Fubing
    • D14 - Recording, communication, or information retrieval equipment