TREA

Cheng Cheng

Follow

Person

  • Tokyo, JP
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Elastic membrane
    • Patent number D1021832
    • Issue date Apr 9, 2024
    • Ebara Corporation
    • Kenichi Akazawa
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Elastic membrane
    • Patent number D989012
    • Issue date Jun 13, 2023
    • Ebara Corporation
    • Kenichi Akazawa
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Elastic membrane and substrate holding apparatus
    • Patent number 11,472,001
    • Issue date Oct 18, 2022
    • Ebara Corporation
    • Cheng Cheng
    • B24 - GRINDING POLISHING

Patents Applicationslast 30 patents