TREA

Viva Co., Ltd.

Follow

Organization

  • Bunkyo-ku, JP
Organizations

Patents Grantslast 30 patents

  • Information Patent Grant

    Reflecting plate type silencer pipe
    • Patent number 7,503,426
    • Issue date Mar 17, 2009
    • MK Seiko Co., Ltd.
    • Akira Yaoita
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Howling protective apparatus
    • Patent number 4,905,290
    • Issue date Feb 27, 1990
    • Viva Co., Ltd.
    • Akira Yaoita
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Automatic volume adjusting apparatus
    • Patent number 4,254,303
    • Issue date Mar 3, 1981
    • Viva Co., Ltd.
    • Tetsuya Takizawa
    • H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

  • Information Patent Application

    Reflecting plate type silencer pipe
    • Publication number 20070034444
    • Publication date Feb 15, 2007
    • MK Seiko Co., Ltd.
    • Akira Yaoita
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Trademarklast 30 trademarks