Patents by Inventor Yukihiro Izumitami

Yukihiro Izumitami 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).

  • Spectacle lens holding structure
    Patent number: RE37425
    Abstract: A frame for rimless spectacles is provided which has no protuberances projecting from both surfaces of lenses, provides an improved effective field of view, and can be fabricated with ease. Blind holes are formed in nose- and temple-side edge surface portions of each spectacle lens, respectively. A pin-like projection is formed on each of nose-side and temple-side contact plates, and is inserted and fixed in the corresponding blind hole by using an adhesive.
    Type: Grant
    Filed: June 30, 1999
    Date of Patent: October 30, 2001
    Assignee: Hoya Corporation
    Inventor: Yukihiro Izumitami
  • Spectacle lens holding structure
    Patent number: RE37461
    Abstract: A frame for rimless spectacles is provided which has no protuberances projecting from both surfaces of lenses, provides an improved effective field of view, and can be fabricated with ease. Blind holes are formed in nose- and temple-side edge surface portions of each spectacle lens, respectively. A pin-like projection is formed on each of nose-side and temple-side contact plates, and is inserted and fixed in the corresponding blind hole by using an adhesive.
    Type: Grant
    Filed: June 30, 1999
    Date of Patent: December 4, 2001
    Assignee: Hoya Corporation
    Inventor: Yukihiro Izumitami