Patents by Inventor Yoshio Nagata

Yoshio Nagata 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).

  • Eyeglass frames for mounting magnifying lenses and magnifying lenses using eyeglass frames
    Patent number: 6921167
    Abstract: Eyeglass frames for mounting magnifying lenses according to the present invention comprise support units each having an engagement space, and each being positioned on inner sides of each lens frame to match each eye of a wearer. A magnifying lens system is incorporated in the engagement space, and a pair of magnifying main units having an ocular tube is engaged in the ocular tube and is removably mounted on a support unit, which is engaged at the ocular tube and engaged by a fixing mechanism.
    Type: Grant
    Filed: July 18, 2003
    Date of Patent: July 26, 2005
    Assignee: Kabushikikaisha Keller & Y. NA.
    Inventor: Yoshio Nagata
  • Eyeglass frames for mounting magnifying lenses and magnifying lenses using eyeglass frames
    Publication number: 20040017539
    Abstract: The eyeglass frames for mounting magnifying lenses according to the present invention comprise support units each having an engagement space, each positioned on inner side of each lens frame to match each eye of a wearer. A magnifying lens system is incorporated in the engagement space, a pair of magnifying main units having an ocular tube is engaged in the ocular tube and is removably mounted on a support unit, which is engaged at the ocular tube and engaged by a fixing mechanism.
    Type: Application
    Filed: July 18, 2003
    Publication date: January 29, 2004
    Inventor: Yoshio Nagata
  • Hanging toy
    Patent number: D501894
    Type: Grant
    Filed: June 22, 2004
    Date of Patent: February 15, 2005
    Inventor: Yoshio Nagata
  • Hanging toy
    Patent number: D502513
    Type: Grant
    Filed: June 22, 2004
    Date of Patent: March 1, 2005
    Inventor: Yoshio Nagata
  • Hanging toy
    Patent number: D502967
    Type: Grant
    Filed: June 22, 2004
    Date of Patent: March 15, 2005
    Inventor: Yoshio Nagata