Patents by Inventor Akemi TANIGUCHI

Akemi TANIGUCHI 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).

  • Patent number: 11622851
    Abstract: There is provided a toric intraocular lens which improves the visibility of a toric axis. The toric intraocular lens is a toric intraocular lens including a lens body provided with an astigmatic axis. A mark indicating the astigmatic axis is formed at an optical surface of an outer rim portion of the lens body, and a length in a radial direction of the lens body and a length in a circumferential direction of the lens body of external dimensions of the mark are different from each other in top view of the optical surface.
    Type: Grant
    Filed: June 14, 2017
    Date of Patent: April 11, 2023
    Assignee: Kowa Company, Ltd.
    Inventors: Haruo Ishikawa, Akemi Taniguchi, Norio Shimizu
  • Publication number: 20190167416
    Abstract: There is provided a toric intraocular lens which improves the visibility of a toric axis. The toric intraocular lens is a toric intraocular lens including a lens body provided with an astigmatic axis. A mark indicating the astigmatic axis is formed at an optical surface of an outer rim portion of the lens body, and a length in a radial direction of the lens body and a length in a circumferential direction of the lens body of external dimensions of the mark are different from each other in top view of the optical surface.
    Type: Application
    Filed: June 14, 2017
    Publication date: June 6, 2019
    Inventors: Haruo ISHIKAWA, Akemi TANIGUCHI, Norio SHIMIZU