TREA

Shin Yamaguchi

Follow

Person

  • Kanagawa, JP
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Audio device and driving method thereof, and display device
    • Patent number 12,329,034
    • Issue date Jun 10, 2025
    • Sony Group Corporation
    • Yoshio Ohashi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Speaker apparatus
    • Patent number 8,995,695
    • Issue date Mar 31, 2015
    • Sony Corporation
    • Yoshio Ohashi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Horn speaker
    • Patent number 5,367,576
    • Issue date Nov 22, 1994
    • Sony Corporation
    • Hiroshi Matsumoto
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    Audio Device And Driving Method Thereof, And Display Device
    • Publication number 20230354712
    • Publication date Nov 2, 2023
    • SONY GROUP CORPORATION
    • Yoshio Ohashi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER APPARATUS
    • Publication number 20120114147
    • Publication date May 10, 2012
    • SONY CORPORATION
    • Yoshio Ohashi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER
    • Publication number 20110243363
    • Publication date Oct 6, 2011
    • SONY CORPORATION
    • SHIN YAMAGUCHI
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE