TREA

Kazuo Yoshiikawa

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  • Kobe, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Display apparatus
    • Patent number 7,002,535
    • Issue date Feb 21, 2006
    • Hitachi, Ltd.
    • Makoto Onozawa
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Display apparatus
    • Patent number 6,781,564
    • Issue date Aug 24, 2004
    • Hitachi, Ltd.
    • Makoto Onozawa
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Grant

    Display apparatus
    • Patent number 6,496,166
    • Issue date Dec 17, 2002
    • Hitachi, Ltd.
    • Makoto Onozawa
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS

Patents Applicationslast 30 patents

  • Information Patent Application

    Display apparatus
    • Publication number 20040257309
    • Publication date Dec 23, 2004
    • Makoto Onozawa
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
  • Information Patent Application

    Display apparatus
    • Publication number 20030122737
    • Publication date Jul 3, 2003
    • Makoto Onozawa
    • G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS