Patents by Inventor Ken Chuang

Ken Chuang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Intraocular lens system with injectable accommodation material
    Patent number: 9005282
    Abstract: The invention relates to a intraocular lens system having a flexible anterior lens accommodation material behind the lens. The accommodation material may comprise of one or more macromers, which, when polymerized, adjust the properties of the accommodation material. The anterior lens is flexible such that the curvature of the lens changes during accommodation. The anterior lens may be used alone or in combination with a posterior lens.
    Type: Grant
    Filed: April 20, 2007
    Date of Patent: April 14, 2015
    Assignee: Calhoun Vision, Inc.
    Inventors: Shiao H. Chang, Okihiro Nishi, Kayo Nishi, Jerry Kaeni, Ken Chuang
  • INTRAOCULAR LENS SYSTEM WITH INJECTABLE ACCOMMODATION MATERIAL
    Publication number: 20080033547
    Abstract: The invention relates to a intraocular lens system having a flexible anterior lens accommodation material behind the lens. The accommodation material may comprise of one or more macromers, which, when polymerized, adjust the properties of the accommodation material. The anterior lens is flexible such that the curvature of the lens changes during accommodation. The anterior lens may be used alone or in combination with a posterior lens.
    Type: Application
    Filed: April 20, 2007
    Publication date: February 7, 2008
    Applicant: CALHOUN VISION, INC
    Inventors: Shiao Chang, Okihiro Nishi, Kayo Nishi, Jerry Kaeni, Ken Chuang