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Ryohei Yoshida

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  • Shiga, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Vacuum cleaner having an ion generator
    • Patent number 7,174,593
    • Issue date Feb 13, 2007
    • Matsushita Electric Industrial Co., Ltd.
    • Masakuni Soejima
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...

Patents Applicationslast 30 patents

  • Information Patent Application

    Vacuum cleaner having an ion generator
    • Publication number 20030140444
    • Publication date Jul 31, 2003
    • Matsushita Electric Industrial Co., Ltd.
    • Masakuni Soejima
    • A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...