TREA

Takeshi Izawa

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  • Shizuoka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Wedge base bulb with color coating
    • Patent number 6,411,021
    • Issue date Jun 25, 2002
    • Koito Manufacturing Co., Ltd.
    • Takeshi Izawa
    • F21 - LIGHTING
  • Information Patent Grant

    Socket for wedge-base lamp
    • Patent number 4,957,455
    • Issue date Sep 18, 1990
    • Sumitomo Wiring Systems, Limited
    • Kazuya Horiuchi
    • H01 - BASIC ELECTRIC ELEMENTS