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Tsan-Haw Lee

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  • Taichung, TW
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Patents Grantslast 30 patents

  • Information Patent Grant

    Wide-angle lens assembly
    • Patent number 12,105,355
    • Issue date Oct 1, 2024
    • Sintai Optical (Shenzhen) Co., Ltd.
    • Chia-Hung Sun
    • G02 - OPTICS
  • Information Patent Grant

    Wide-angle lens assembly
    • Patent number 11,054,619
    • Issue date Jul 6, 2021
    • Sintai Optical (Shenzhen) Co., Ltd.
    • Tsan-Haw Lee
    • G02 - OPTICS
  • Information Patent Grant

    Wide-angle lens
    • Patent number 9,696,520
    • Issue date Jul 4, 2017
    • Sintai Optical (Shenzhen) Co., Ltd.
    • Yuan-Fan Liang
    • G02 - OPTICS
  • Information Patent Grant

    Wide-angle projection lens
    • Patent number 9,690,082
    • Issue date Jun 27, 2017
    • Sintai Optical (Shenzhen) Co., Ltd.
    • Tsan-Haw Lee
    • G02 - OPTICS
  • Information Patent Grant

    Projection lens
    • Patent number 9,256,057
    • Issue date Feb 9, 2016
    • Sintai Optical (Shenzhen) Co., Ltd.
    • Tsan-Haw Lee
    • G02 - OPTICS
  • Information Patent Grant

    Fixed-focus projection lens
    • Patent number 8,891,181
    • Issue date Nov 18, 2014
    • Asia Optical Co., Inc.
    • Tsan-Haw Lee
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Zoom projection lens for projector
    • Patent number 8,817,383
    • Issue date Aug 26, 2014
    • Asia Optical Co., Inc.
    • Tsan-Haw Lee
    • G02 - OPTICS
  • Information Patent Grant

    Prime lens for a projector
    • Patent number 8,531,785
    • Issue date Sep 10, 2013
    • Asia Optical Co., Inc.
    • Yuan-Fan Liang
    • G02 - OPTICS
  • Information Patent Grant

    Zoom projection lens
    • Patent number 8,520,315
    • Issue date Aug 27, 2013
    • Asia Optical Co., Inc.
    • Tsan-Haw Lee
    • G02 - OPTICS

Patents Applicationslast 30 patents

  • Information Patent Application

    Wide-Angle Lens Assembly
    • Publication number 20210173180
    • Publication date Jun 10, 2021
    • SINTAI OPTICAL (SHENZHEN) CO., LTD.
    • Chia-Hung Sun
    • G02 - OPTICS
  • Information Patent Application

    Wide-Angle Lens Assembly
    • Publication number 20200081226
    • Publication date Mar 12, 2020
    • SINTAI OPTICAL (SHENZHEN) CO., LTD.
    • Tsan-Haw Lee
    • G02 - OPTICS
  • Information Patent Application

    Wide-Angle Lens
    • Publication number 20160103301
    • Publication date Apr 14, 2016
    • SINTAI OPTICAL (SHENZHEN) CO., LTD.
    • Yuan-Fan Liang
    • G02 - OPTICS
  • Information Patent Application

    Wide-Angle Projection Lens
    • Publication number 20150362708
    • Publication date Dec 17, 2015
    • SINTAI OPTICAL (SHENZHEN) CO., LTD.
    • Tsan-Haw Lee
    • G02 - OPTICS
  • Information Patent Application

    Projection Lens
    • Publication number 20140133038
    • Publication date May 15, 2014
    • Asia Optical International Ltd.
    • Tsan-Haw Lee
    • G02 - OPTICS
  • Information Patent Application

    ZOOMING LENS
    • Publication number 20130279019
    • Publication date Oct 24, 2013
    • Tsan-Haw Lee
    • G02 - OPTICS
  • Information Patent Application

    FIXED-FOCUS PROJECTION LENS
    • Publication number 20120300317
    • Publication date Nov 29, 2012
    • Asia Optical Co., Inc.
    • Tsan-Haw Lee
    • G02 - OPTICS
  • Information Patent Application

    ZOOM PROJECTION LENS FOR PROJECTOR
    • Publication number 20120275034
    • Publication date Nov 1, 2012
    • Asia Optical Co., Inc.
    • Tsan-Haw Lee
    • G02 - OPTICS
  • Information Patent Application

    Zoom Projection Lens
    • Publication number 20120019927
    • Publication date Jan 26, 2012
    • Tsan-Haw Lee
    • G02 - OPTICS