Patents by Inventor Naomi KISHIMOTO

Naomi KISHIMOTO 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: 8711482
    Abstract: A pressing mold for optical lenses, which molds a ring-zone-type diffraction lens having a plurality of concentric ring zones, the mold including: diffraction action transfer surfaces configured to form diffraction action surfaces that diffract light passing through the diffraction lens; and step transfer surfaces configured to form step surfaces that connect the adjacent diffraction action surfaces of the diffraction lens, wherein surface roughness of the step transfer surfaces is larger than surface roughness of the diffraction action transfer surfaces.
    Type: Grant
    Filed: November 30, 2010
    Date of Patent: April 29, 2014
    Assignee: Panasonic Corporation
    Inventors: Yoshifumi Takasu, Naomi Kishimoto, Yuta Moriyama, Tooru Furushige
  • Publication number: 20110134531
    Abstract: A pressing mold for optical lenses, which molds a ring-zone-type diffraction lens having a plurality of concentric ring zones, the mold including: diffraction action transfer surfaces configured to form diffraction action surfaces that diffract light passing through the diffraction lens; and step transfer surfaces configured to form step surfaces that connect the adjacent diffraction action surfaces of the diffraction lens, wherein surface roughness of the step transfer surfaces is larger than surface roughness of the diffraction action transfer surfaces.
    Type: Application
    Filed: November 30, 2010
    Publication date: June 9, 2011
    Applicant: Panasonic Corporation
    Inventors: Yoshifumi TAKASU, Naomi KISHIMOTO, Yuta MORIYAMA, Tooru FURUSHIGE