Patents by Inventor Daiji Sagami

Daiji Sagami 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).

  • Lens pad, lens pad manufacturing method, lens manufacturing method, and adhesive member
    Patent number: 8440041
    Abstract: A lens pad includes a blank, first adhesive layer, and release sheet. The first adhesive layer is formed on one surface of the blank. The release sheet comes into tight contact with the surface of the first adhesive layer to protect this surface. The arithmetic average roughness of the surface of the release sheet on the side of the first adhesive layer is 0.1 ?m or less. The surface of the first adhesive layer from which the release sheet is peeled off is attached onto a lens as an edging target. A lens pad, a lens pad manufacturing method, a lens manufacturing method, and an adhesive member are also disclosed.
    Type: Grant
    Filed: December 30, 2009
    Date of Patent: May 14, 2013
    Assignees: Hoya Corporation, Vigteqnos Co., Ltd.
    Inventors: Akira Hamanaka, Daiji Sagami
  • LENS PAD, LENS PAD MANUFACTURING METHOD, LENS MANUFACTURING METHOD, AND ADHESIVE MEMBER
    Publication number: 20100170627
    Abstract: A lens pad includes a blank, first adhesive layer, and release sheet. The first adhesive layer is formed on one surface of the blank. The release sheet comes into tight contact with the surface of the first adhesive layer to protect this surface. The arithmetic average roughness of the surface of the release sheet on the side of the first adhesive layer is 0.1 ?m or less. The surface of the first adhesive layer from which the release sheet is peeled off is attached onto a lens as an edging target. A lens pad, a lens pad manufacturing method, a lens manufacturing method, and an adhesive member are also disclosed.
    Type: Application
    Filed: December 30, 2009
    Publication date: July 8, 2010
    Inventors: Akira Hamanaka, Daiji Sagami