Patents by Inventor Yoshihiko Oyama

Yoshihiko Oyama 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).

  • Ophthalmic lens design method and resulting ophthalmic lens
    Patent number: 6764179
    Abstract: Disclosed is a method of designing an ophthalmic lens including the steps of: (a) determining a preliminary lens shape by preliminary determining a shape of the ophthalmic lens; and (b) varying the preliminary lens shape so as to adjust a position of an image surface at which MTF value is maximized, such that the position of the image surface matches a desired focal length of said ophthalmic lens. A resulting ophthalmic lens constructed according to this method is also disclosed.
    Type: Grant
    Filed: May 28, 2002
    Date of Patent: July 20, 2004
    Assignee: Menicon Co., Ltd.
    Inventors: Yukihisa Sakai, Yoshihiko Oyama
  • Ophthalmic lens design method and resulting ophthalmic lens
    Publication number: 20020176049
    Abstract: Disclosed is a method of designing an ophthalmic lens including the steps of: (a) determining a preliminary lens shape by preliminary determining a shape of the ophthalmic lens; and (b) varying the preliminary lens shape so as to adjust a position of an image surface at which MTF value is maximized, such that the position of the image surface matches a desired focal length of said ophthalmic lens. A resulting ophthalmic lens constructed according to this method is also disclosed.
    Type: Application
    Filed: May 28, 2002
    Publication date: November 28, 2002
    Applicant: MENICON CO., LTD.
    Inventors: Yukihisa Sakai, Yoshihiko Oyama