TREA

Katsutoshi Kogo

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  • Mobara-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Display device using filament
    • Patent number 6,710,536
    • Issue date Mar 23, 2004
    • Futaba denshi kogyo kabushiki kaisha
    • Yoshihisa Yonezawa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Filament for fluorescent display device
    • Patent number 6,509,693
    • Issue date Jan 21, 2003
    • Futaba Corporation
    • Yoshihisa Yonezawa
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    Filament for fluorescent display device
    • Publication number 20020047573
    • Publication date Apr 25, 2002
    • FUTABA DENSHI KOGYO KABUSHIKI KAISHA
    • Yoshihisa Yonezawa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Display device using filament
    • Publication number 20020047534
    • Publication date Apr 25, 2002
    • Yoshihisa Yonezawa
    • H01 - BASIC ELECTRIC ELEMENTS