Patents by Inventor Shu Yamazaki

Shu Yamazaki 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).

  • Rotary anode for an X-ray tube and a method for manufacturing the same
    Patent number: 4482837
    Abstract: The present invention provides a rotary anode for an X-ray tube which comprises an anode body formed of graphite, a preformed sheet formed of rhenium and bonded to the top surface of the anode body, and a target layer formed of tungsten or an alloy thereof and bonded to the top surface of the preformed sheet. This rotary anode may further comprise a preformed plate formed of molybdenum and interposed between and bonded to the preformed sheet and the target layer. Also disclosed is a method for manufacturing the rotary anode.
    Type: Grant
    Filed: July 15, 1983
    Date of Patent: November 13, 1984
    Assignee: Tokyo Shibaura Denki Kabushiki Kaisha
    Inventors: Hideo Koizumi, Isamu Koseki, Tadashi Morita, Shu Yamazaki, Yoshio Fukuhara
  • Discharge lamp and method of making same
    Patent number: 4303848
    Abstract: In a discharge lamp comprising a sintered electrode comprising a high temperature melting metal such as tungsten, molybdenum, tantalum or mixtures thereof as a main ingredient of the sintered electrode and an electron emissive material of an alkaline earth metal or compound thereof, the sintered electrode further comprising at least one oxide of a metal selected from the group consisting of yttrium, zirconium and aluminum.
    Type: Grant
    Filed: August 29, 1979
    Date of Patent: December 1, 1981
    Assignee: Toshiba Corporation
    Inventors: Kenichi Shimizu, Akihiro Kamiya, Shu Yamazaki, Riozo Akiyama, Teruji Makuuchi, Shiichiro Yoshizaki