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Hirohito KUBOTA

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  • Ibaraki, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Ink-jet printer
    • Patent number RE48686
    • Issue date Aug 17, 2021
    • Riso Kagaku Corporation
    • Shinichiro Otsuka
  • Information Patent Grant

    Ink-jet printer
    • Patent number 9,586,412
    • Issue date Mar 7, 2017
    • Riso Kagaku Corporation
    • Shinichiro Otsuka
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

  • Information Patent Application

    INK-JET PRINTER
    • Publication number 20160243857
    • Publication date Aug 25, 2016
    • Riso Kagaku Corporation
    • Shinichiro OTSUKA
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS