Patents by Inventor Hirobumi YOSHIZAWA

Hirobumi YOSHIZAWA 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).

  • X-RAY TUBE DEVICE
    Publication number: 20220199348
    Abstract: According to one embodiment, an X-ray tube device includes a cathode which emits electrons, an anode target which generates X-rays when the electrons emitted from the cathode collide therewith, a first tube portion, a second tube portion which forms a flow path of a coolant together with the first tube portion, and a protective film. The protective film covers an inner surface of the first tube portion, and is formed of hard gold.
    Type: Application
    Filed: March 11, 2022
    Publication date: June 23, 2022
    Applicant: CANON ELECTRON TUBES & DEVICES CO., LTD.
    Inventors: Toshimi WATANABE, Hirobumi YOSHIZAWA, Junki SONE