TREA

Yasutaka Shimizu

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Toner carrier
    • Patent number 9,372,435
    • Issue date Jun 21, 2016
    • Ricoh Company, Ltd.
    • Hiroya Abe
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner carrier
    • Patent number 9,372,436
    • Issue date Jun 21, 2016
    • Ricoh Company, Ltd.
    • Hiroya Abe
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Toner carrier
    • Patent number 8,971,754
    • Issue date Mar 3, 2015
    • Ricoh Company, Ltd.
    • Hiroya Abe
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Inverter circuit
    • Patent number 7,755,395
    • Issue date Jul 13, 2010
    • Ricoh Company, Ltd.
    • Kohji Yoshii
    • H03 - BASIC ELECTRONIC CIRCUITRY

Patents Applicationslast 30 patents

  • Information Patent Application

    TONER CARRIER
    • Publication number 20150346631
    • Publication date Dec 3, 2015
    • RICOH COMPANY, LTD.
    • Hiroya Abe
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER CARRIER
    • Publication number 20150132033
    • Publication date May 14, 2015
    • RICOH COMPANY, LTD.
    • Hiroya Abe
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    TONER CARRIER
    • Publication number 20140199098
    • Publication date Jul 17, 2014
    • RICOH COMPANY, LTD.
    • Hiroya Abe
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Application

    INVERTER CIRCUIT
    • Publication number 20100013519
    • Publication date Jan 21, 2010
    • RICOH COMPANY, LTD.
    • Kohji YOSHII
    • H03 - BASIC ELECTRONIC CIRCUITRY