TREA

Tohru Namiki

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Patents Grantslast 30 patents

  • Information Patent Grant

    Organic electroluminescent device
    • Patent number 5,457,565
    • Issue date Oct 10, 1995
    • Pioneer Electronic Corporation
    • Tohru Namiki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Organic electroluminescent element
    • Patent number 5,429,884
    • Issue date Jul 4, 1995
    • Pioneer Electronic Corporation
    • Tohru Namiki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Organic electroluminescent device
    • Patent number 5,399,936
    • Issue date Mar 21, 1995
    • Pioneer Electronic Corporation
    • Tohru Namiki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Organic electroluminescent display apparatus
    • Patent number 5,302,468
    • Issue date Apr 12, 1994
    • Pioneer Electronic Corporation
    • Tohru Namiki
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Electroluminescent element
    • Patent number 5,104,740
    • Issue date Apr 14, 1992
    • Pioneer Electronic Corporation
    • Masanao Shinkai
    • C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
  • Information Patent Grant

    Optical information recording disk
    • Patent number 4,903,224
    • Issue date Feb 20, 1990
    • Pioneer Electronic Corporation
    • Tohru Namiki
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL