TREA

Hiroaki Imaizumi

Follow

Person

  • Saitama, JP
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Multibeam antenna
    • Patent number 6,864,850
    • Issue date Mar 8, 2005
    • Yagi Antenna Co., Ltd.
    • Hiroaki Imaizumi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Multibeam antenna
    • Patent number 6,388,633
    • Issue date May 14, 2002
    • Yagi Antenna Co., Ltd.
    • Hiroaki Imaizumi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Multibeam antenna
    • Patent number 6,121,939
    • Issue date Sep 19, 2000
    • Yagi Antenna Co., Ltd.
    • Hiroaki Imaizumi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Multibeam antenna
    • Patent number 6,052,099
    • Issue date Apr 18, 2000
    • Yagi Antenna Co., Ltd.
    • Hiroaki Imaizumi
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    Multibeam antenna
    • Publication number 20020097187
    • Publication date Jul 25, 2002
    • YAGI ANTENNA CO., LTD.
    • Hiroaki Imaizumi
    • H01 - BASIC ELECTRIC ELEMENTS