Patents by Inventor Katsumi Takigawa

Katsumi Takigawa 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).

  • Method of fixing an electron gun assembly into the neck of a cathode ray tube and structure so produced
    Patent number: 4526601
    Abstract: An improved means for incorporating an electron gun and stem assembly into the neck of a cathode ray tube wherein the stem is engaged with a metal collar while providing a groove therebetween, a thermally insulating fusible adhesive having an initial melting point lower than that of the stem is introduced into the groove, an end portion of the neck of the cathode ray tube is inserted into the groove, and the entire assembly is bonded together by means of fusion of the thermally insulating adhesive.
    Type: Grant
    Filed: January 22, 1982
    Date of Patent: July 2, 1985
    Assignee: Sony Corporation
    Inventors: Kimizo Igarashi, Katsumi Takigawa, Tsuneo Muchi, Yoshio Matsumoto, Kiichi Ueno, Akio Ohkoshi