TREA

Yuzo Obata

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  • Kanagawa, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Liquid discharge apparatus
    • Patent number 11,633,958
    • Issue date Apr 25, 2023
    • Ricoh Company, Ltd.
    • Tsuguyori Kemma
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Image forming apparatus
    • Patent number 8,523,337
    • Issue date Sep 3, 2013
    • Ricoh Company, Ltd.
    • Kiyoshi Tsukamura
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Grant

    Image forming apparatus
    • Patent number 8,398,218
    • Issue date Mar 19, 2013
    • Ricoh Company, Ltd.
    • Kiyoshi Tsukamura
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS

Patents Applicationslast 30 patents

  • Information Patent Application

    LIQUID DISCHARGE APPARATUS
    • Publication number 20210237467
    • Publication date Aug 5, 2021
    • Tsuguyori KEMMA
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20130155158
    • Publication date Jun 20, 2013
    • RICOH COMPANY, LTD.
    • Kiyoshi Tsukamura
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
  • Information Patent Application

    IMAGE FORMING APPARATUS
    • Publication number 20110141209
    • Publication date Jun 16, 2011
    • RICOH COMPANY, LTD.
    • Kiyoshi Tsukamura
    • B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS