Patents by Inventor Tatsuro Naito

Tatsuro Naito 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).

  • Preprocessing device, determination system, preprocessing method, and preprocessing program
    Patent number: 11954812
    Abstract: A preprocessing device includes processing circuitry configured to acquire coordinate information of respective vertexes of a polygon for inside/outside determination and the coordinate information of the respective vertexes of the polygon for inside/outside determination and rotate a coordinate to be determined and the polygon for inside/outside determination as preprocessing of determination processing of determining whether the coordinate to be determined exists inside or outside the polygon for inside/outside determination, and output coordinate information of respective vertexes of the rotated polygon for inside/outside determination and the rotated coordinate to be determined as rotated coordinate information.
    Type: Grant
    Filed: September 12, 2019
    Date of Patent: April 9, 2024
    Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Kazuhiro Miyahara, Tatsuro Kimura, Ichibe Naito, Atsushi Isomura, Tomoya Ikeda
  • Method and compositions for bonding metals and ceramics with which to make prosthetic teeth
    Patent number: 4556389
    Abstract: A novel method for firmly bonding metal and ceramics comprising the steps of applying a composite plating composition consisting of a metal containing plating solution and fine particles of ceramic on a surface of metal to which the ceramic is to be bonded, thereby forming a metal plating layer on the surface having partially projected fine particles of ceramic, and then firing the coated metal in order to fuse the ceramic thereto.
    Type: Grant
    Filed: December 31, 1981
    Date of Patent: December 3, 1985
    Assignees: Four Brain Company Ltd., Kyoto Ceramic Company Ltd.
    Inventors: Masato Ueno, Masayoshi Sato, Mitsuyuki Tasaka, Tatsuro Naito