TREA

Jiro Yokoyama

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  • Osaka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Portable telephone set
    • Patent number 7,489,951
    • Issue date Feb 10, 2009
    • Sanyo Electric Co., LTD
    • Miwa Kanamori
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Portable telephone set
    • Patent number 6,662,022
    • Issue date Dec 9, 2003
    • Sanyo Electric Co., LTD
    • Miwa Kanamori
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    Portable telephone set
    • Publication number 20040106432
    • Publication date Jun 3, 2004
    • Sanyo Electric Co., Ltd.
    • Miwa Kanamori
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE