Ryo HASEGAWA

Person

  • Kanagawa, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Cam drive device and image forming apparatus incorporating same

    • Patent number 10,401,764
    • Issue date Sep 3, 2019
    • Ricoh Company, Ltd.
    • Haruki Nagata
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Image forming apparatus

    • Patent number 10,261,450
    • Issue date Apr 16, 2019
    • Ricoh Company, Ltd.
    • Ryo Hasegawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Image forming apparatus

    • Patent number 9,720,364
    • Issue date Aug 1, 2017
    • Ricoh Company, Ltd.
    • Seiichi Kogure
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Image forming apparatus

    • Patent number 9,519,245
    • Issue date Dec 13, 2016
    • Ricoh Company, Ltd.
    • Haruki Nagata
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Drive transmitter, driving device incorporating the drive transmitt...

    • Patent number 9,423,726
    • Issue date Aug 23, 2016
    • Ricoh Company, Ltd.
    • Yoshiaki Morita
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Image forming apparatus

    • Patent number 9,395,659
    • Issue date Jul 19, 2016
    • Ricoh Company, Ltd.
    • Shinya Tanaka
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
  • Information Patent Grant

    Transfer unit and image forming apparatus including same

    • Patent number 9,341,990
    • Issue date May 17, 2016
    • Ricoh Company, Ltd.
    • Ryo Hasegawa
    • G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Patents Applicationslast 30 patents