Patents by Inventor Minoru Shida

Minoru Shida 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 manufacturing a rotary anode type X-ray tube
    Patent number: 5298293
    Abstract: A method of manufacturing an X-ray tube comprises the steps of applying the bearing portions with liquid metal lubricant and heating the bearing portions defined by a rotary structure and a stationary shaft to a temperature of 200.degree. C. or more in a vacuum condition. An apparatus for manufacturing an X-ray tube comprises a vacuum bell jar having a heating unit, a metal lubricant injector provided in the vacuum bell jar and a holding and controlling device for holding the rotary structure and the stationary shaft and controlling the movement and the mutual connection of the rotary structure and stationary shaft externally of the vacuum envelope.
    Type: Grant
    Filed: November 27, 1991
    Date of Patent: March 29, 1994
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Katsuhiro Ono, Hidero Anno, Hiroyuki Sugiura, Takayuki Kitami, Minoru Shida