Patents by Inventor Koichi Soya

Koichi Soya 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: 5864382
    Abstract: An ophthalmic apparatus for analyzing a section of an anterior part of an eye providing an input device for inputting a photographed image data of corneal section which is cut optically by a slit light, an image memory for memorizing the image data of corneal section inputted by the input device, an image analyzing device for analyzing an optical density of the image of corneal section by processing the image data of corneal section memorized by the image memory, and a display device for displaying an analyzed result of the image analyzing device.
    Type: Grant
    Filed: July 18, 1997
    Date of Patent: January 26, 1999
    Assignee: Nidek Company, Ltd.
    Inventors: Koichi Soya, Hirohiko Hanaki