TREA

Dayong LI

Follow

Person

  • Saitama-shi, JP
People

Patents Grantslast 30 patents

  • Information Patent Grant

    Relay optical system for rigid endoscope
    • Patent number 11,598,947
    • Issue date Mar 7, 2023
    • SUMITA OPTICAL GLASS, INC.
    • Hiroki Watanabe
    • G02 - OPTICS
  • Information Patent Grant

    Zoom lens and imaging apparatus
    • Patent number 9,507,132
    • Issue date Nov 29, 2016
    • Tamron Co., Ltd.
    • Yoshito Iwasawa
    • G02 - OPTICS
  • Information Patent Grant

    Zoom lens
    • Patent number 9,229,204
    • Issue date Jan 5, 2016
    • Tamron Co., Ltd.
    • Dayong Li
    • G02 - OPTICS
  • Information Patent Grant

    Zoom lens
    • Patent number 9,176,308
    • Issue date Nov 3, 2015
    • Tamron Co., Ltd.
    • Dayong Li
    • G02 - OPTICS
  • Information Patent Grant

    Large-aperture zoom lens
    • Patent number 8,810,918
    • Issue date Aug 19, 2014
    • Tamron Co., Ltd.
    • Dayong Li
    • G02 - OPTICS
  • Information Patent Grant

    Zoom lens
    • Patent number 8,531,767
    • Issue date Sep 10, 2013
    • Tamron Co., Ltd.
    • Dayong Li
    • G02 - OPTICS
  • Information Patent Grant

    Zoom lens
    • Patent number 8,531,777
    • Issue date Sep 10, 2013
    • Tamron Co., Ltd.
    • Dayong Li
    • G02 - OPTICS
  • Information Patent Grant

    Variable power zoom lens
    • Patent number 8,498,059
    • Issue date Jul 30, 2013
    • Tamron Co., Ltd.
    • Dayong Li
    • G02 - OPTICS
  • Information Patent Grant

    High magnification compact zoom lens
    • Patent number 8,305,695
    • Issue date Nov 6, 2012
    • Tamron Co., Ltd.
    • Dayong Li
    • G02 - OPTICS
  • Information Patent Grant

    Variable power zoom lens
    • Patent number 8,199,414
    • Issue date Jun 12, 2012
    • Tamron Co., Ltd.
    • Dayong Li
    • G02 - OPTICS
  • Information Patent Grant

    Wide-angle zoom lens
    • Patent number 8,169,718
    • Issue date May 1, 2012
    • Tamron Co., Ltd.
    • Dayong Li
    • G02 - OPTICS
  • Information Patent Grant

    Zoom lens
    • Patent number 8,159,757
    • Issue date Apr 17, 2012
    • Tamron Co., Ltd.
    • Dayong Li
    • G02 - OPTICS
  • Information Patent Grant

    Zoom lens
    • Patent number 8,049,968
    • Issue date Nov 1, 2011
    • Tamron Co., Ltd.
    • Hisayuki Yamanaka
    • G02 - OPTICS
  • Information Patent Grant

    High magnification compact zoom lens
    • Patent number 7,965,452
    • Issue date Jun 21, 2011
    • Tamron Co., Ltd.
    • Dayong Li
    • G02 - OPTICS
  • Information Patent Grant

    Zoom lens
    • Patent number 7,940,470
    • Issue date May 10, 2011
    • Tamron Co., Ltd.
    • Dayong Li
    • G02 - OPTICS
  • Information Patent Grant

    Wide-angle zoom lens
    • Patent number 7,773,308
    • Issue date Aug 10, 2010
    • Tamron Co., Ltd.
    • Yuichi Muramatsu
    • G02 - OPTICS
  • Information Patent Grant

    Telephoto zoom lens
    • Patent number 7,599,124
    • Issue date Oct 6, 2009
    • Tamron Co., Ltd.
    • Dayong Li
    • G02 - OPTICS

Patents Applicationslast 30 patents

  • Information Patent Application

    RELAY OPTICAL SYSTEM FOR RIGID ENDOSCOPE
    • Publication number 20210349304
    • Publication date Nov 11, 2021
    • Sumita Optical Glass, Inc.
    • Hiroki WATANABE
    • G02 - OPTICS
  • Information Patent Application

    Wide-Angle Zoom Lens and Image Pickup Apparatus
    • Publication number 20160202457
    • Publication date Jul 14, 2016
    • Tamron Co., Ltd.
    • Dayong Li
    • G02 - OPTICS
  • Information Patent Application

    Zoom Lens and Imaging Apparatus
    • Publication number 20150168696
    • Publication date Jun 18, 2015
    • Tamron Co., Ltd.
    • Yoshito Iwasawa
    • G02 - OPTICS
  • Information Patent Application

    ZOOM LENS
    • Publication number 20140218800
    • Publication date Aug 7, 2014
    • SONY CORPORATION
    • Dayong Li
    • G02 - OPTICS
  • Information Patent Application

    ZOOM LENS
    • Publication number 20130050827
    • Publication date Feb 28, 2013
    • TAMRON CO., LTD.
    • Dayong LI
    • G02 - OPTICS
  • Information Patent Application

    Large-Aperture Zoom Lens
    • Publication number 20130050844
    • Publication date Feb 28, 2013
    • Tamron Co., Ltd.
    • Dayong LI
    • G02 - OPTICS
  • Information Patent Application

    ZOOM LENS
    • Publication number 20120063003
    • Publication date Mar 15, 2012
    • TAMRON CO., LTD.
    • Dayong LI
    • G02 - OPTICS
  • Information Patent Application

    ZOOM LENS
    • Publication number 20120062993
    • Publication date Mar 15, 2012
    • TAMRON CO., LTD.
    • Dayong LI
    • G02 - OPTICS
  • Information Patent Application

    VARIABLE POWER ZOOM LENS
    • Publication number 20120057234
    • Publication date Mar 8, 2012
    • Dayong LI
    • G02 - OPTICS
  • Information Patent Application

    VARIABLE POWER ZOOM LENS
    • Publication number 20110292521
    • Publication date Dec 1, 2011
    • Dayong LI
    • G02 - OPTICS
  • Information Patent Application

    High Magnification Compact Zoom Lens
    • Publication number 20110216425
    • Publication date Sep 8, 2011
    • TAMRON CO., LTD.
    • Dayong Li
    • G02 - OPTICS
  • Information Patent Application

    ZOOM LENS
    • Publication number 20110043926
    • Publication date Feb 24, 2011
    • TAMRON CO., LTD.
    • Dayong LI
    • G02 - OPTICS
  • Information Patent Application

    ZOOM LENS
    • Publication number 20110019288
    • Publication date Jan 27, 2011
    • TAMRON CO., LTD.
    • Hisayuki YAMANAKA
    • G02 - OPTICS
  • Information Patent Application

    ZOOM LENS
    • Publication number 20110002045
    • Publication date Jan 6, 2011
    • TAMRON CO., LTD.
    • Dayong LI
    • G02 - OPTICS
  • Information Patent Application

    Wide-angle zoom lens
    • Publication number 20100259834
    • Publication date Oct 14, 2010
    • Dayong Li
    • G02 - OPTICS
  • Information Patent Application

    High magnification compact zoom lens
    • Publication number 20090303609
    • Publication date Dec 10, 2009
    • Dayong Li
    • G02 - OPTICS
  • Information Patent Application

    Zoom lens
    • Publication number 20090195885
    • Publication date Aug 6, 2009
    • Hisayuki Yamanaka
    • G02 - OPTICS
  • Information Patent Application

    Wide-angle zoom lens
    • Publication number 20090190233
    • Publication date Jul 30, 2009
    • Yuichi Muramatsu
    • G02 - OPTICS
  • Information Patent Application

    Telephoto zoom lens
    • Publication number 20080212200
    • Publication date Sep 4, 2008
    • Dayong Li
    • G02 - OPTICS