Ryohei OBAN

Person

  • Osaka, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Piezoelectric speaker

    • Patent number 12,120,960
    • Issue date Oct 15, 2024
    • Nitto Denko Corporation
    • Yusuke Komoto
    • B32 - LAYERED PRODUCTS

Patents Applicationslast 30 patents