Patents by Inventor Yoichi Mikawa

Yoichi Mikawa 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).

  • Publication number: 20150081015
    Abstract: An intraocular lens to be fixed in an eyeball has an optical pupil to provide a pinhole effect at the front center of the lens. The optical pupil is constituted by a limitative pattern that is partly formed in the front peripheral center of the lens to limit part of an optical path.
    Type: Application
    Filed: November 21, 2014
    Publication date: March 19, 2015
    Inventor: Yoichi Mikawa
  • Publication number: 20100082100
    Abstract: An intraocular lens to be fixed in an eyeball has an optical pupil to provide a pinhole effect at the front center of the lens. The optical pupil is constituted by a limitative pattern that is partly formed in the front peripheral center of the lens to limit part of an optical path.
    Type: Application
    Filed: September 22, 2009
    Publication date: April 1, 2010
    Inventor: Yoichi Mikawa