Patents by Inventor Isao Iizuka

Isao Iizuka 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: 6736506
    Abstract: This is an eyeglasses made-to-order system wherein an operator determines eyeglass specifications necessary for ordering eyeglasses, including necessary items relating to each structural member of the eyeglasses, with an interactive system using means including a computer-controlled display screen; wherein any of a plurality of types of basic frame designs prepared in advance is selected from the abovementioned display screen; and the optimum eyeglass specifications reflecting the consumer's preferences can be determined on and ordered from the display screen by arbitrary changes to the structural members of the eyeglasses, including frame type, lens shape, and parts, based on the selected basic frame design. Accordingly, eyeglasses with a design which are more reflective of the eyeglass consumer's preferences can be determined and ordered quickly using only the procedures deemed necessary by the operator.
    Type: Grant
    Filed: December 27, 2002
    Date of Patent: May 18, 2004
    Assignee: Hoya Corporation
    Inventors: Yukihiro Izumitani, Toshihisa Akaba, Isao Iizuka, Yasushi Sakai, Shigeru Watanabe
  • Patent number: 6572451
    Abstract: The present invention makes it possible to perform machining that forms holes or grooves for the attachment of parts to the outer circumferential edge surfaces of lenses of various lens patterns, both accurately and with good reproducibility, by means of a simple operation. The spectacle lenses 100 are positioned so that the machining areas of the spectacle lenses 100 are maintained in a fixed positional relationship with the machining reference position of the machining apparatus 200 by using spectacle lens fastening devices 400 which can fasten the spectacle lenses 100 with attached spectacle lens holding jigs 110 in place, and adjust the positions of these spectacle lenses 100, to cause specified positions on the spectacle lenses 100 to contact the reference surfaces of a positioning reference plate 300.
    Type: Grant
    Filed: January 16, 2002
    Date of Patent: June 3, 2003
    Assignee: Hoya Corporation
    Inventors: Hakaru Fujita, Isao Iizuka, Yasushi Sakai
  • Publication number: 20030090625
    Abstract: This is an eyeglasses made-to-order system wherein an operator determines eyeglass specifications necessary for ordering eyeglasses, including necessary items relating to each structural member of the eyeglasses, with an interactive system using means including a computer-controlled display screen; wherein any of a plurality of types of basic frame designs prepared in advance is selected from the abovementioned display screen; and the optimum eyeglass specifications reflecting the consumer's preferences can be determined on and ordered from the display screen by arbitrary changes to the structural members of the eyeglasses, including frame type, lens shape, and parts, based on the selected basic frame design. Accordingly, eyeglasses with a design which are more reflective of the eyeglass consumer's preferences can be determined and ordered quickly using only the procedures deemed necessary by the operator.
    Type: Application
    Filed: December 27, 2002
    Publication date: May 15, 2003
    Applicant: Hoya Corporation
    Inventors: Yukihiro Izumitani, Toshihisa Akaba, Isao Iizuka, Yashushi Sakai, Shigeru Watanabe
  • Patent number: 6533418
    Abstract: This is an eyeglasses made-to-order system wherein an operator determines eyeglass specifications necessary for ordering eyeglasses, including necessary items relating to each structural member of the eyeglasses, with an interactive system using means including a computer-controlled display screen; wherein any of a plurality of types of basic frame designs prepared in advance is selected from the abovementioned display screen; and the optimum eyeglass specifications reflecting the consumer's preferences can be determined on and ordered from the display screen by arbitrary changes to the structural members of the eyeglasses, including frame type, lens shape, and parts, based on the selected basic frame design. Accordingly, eyeglasses with a design which are more reflective of the eyeglass consumer's preferences can be determined and ordered quickly using only the procedures deemed necessary by the operator.
    Type: Grant
    Filed: November 12, 1999
    Date of Patent: March 18, 2003
    Assignee: Hoya Corporation
    Inventors: Yukihiro Izumitani, Toshihisa Akaba, Isao Iizuka, Yasushi Sakai, Shigeru Watanabe
  • Patent number: 6340226
    Abstract: The present invention provides spectacles for which lens replacement is simple, and replacement lens portability is excellent, and which is capable of reliably mounting and fastening a lens to a frame without a risk of damaging a lens. The present invention has a lens-side-connecting member 3 for mounting lens 2 detachably to a frame portion 1, which is constituted by a member separate from lens 2 and is fixed to the edge portion of the lens 2, and a frame-side-connecting member 120, which is disposed on the above-mentioned frame portion 1 for mounting the above-mentioned lens 2 detachably to the above-mentioned frame portion 1 by connecting the same detachably to the above-mentioned lens-side-connecting member 3.
    Type: Grant
    Filed: December 1, 2000
    Date of Patent: January 22, 2002
    Assignee: Hoya Corporation
    Inventors: Toshihisa Akaba, Kazumichi Kurihara, Yasushi Sakai, Hakaru Fujita, Youichi Ishiguro, Isao Iizuka, Yukihiro Izumitani