TREA

Kenji Akiyoshi

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  • Osaka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Metal vapor discharge lamp having cermet lead-in with improved lumi...
    • Patent number 6,646,379
    • Issue date Nov 11, 2003
    • Matsushita Electric Industrial Co., Ltd.
    • Hiroshi Nohara
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    High-intensity discharge lamp
    • Patent number 6,563,268
    • Issue date May 13, 2003
    • Matsushita Electric Industrial Co., Ltd.
    • Masahito Yoshida
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Metal halide lamp
    • Patent number 6,107,742
    • Issue date Aug 22, 2000
    • Matsushita Electronics Corporation
    • Tomoyuki Seki
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    High-intensity discharge lamp
    • Publication number 20020101165
    • Publication date Aug 1, 2002
    • MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
    • Masahito Yoshida
    • H01 - BASIC ELECTRIC ELEMENTS