Patents by Inventor Kyuma IIZUKA

Kyuma IIZUKA 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).

  • Electron generating apparatus and ionization gauge
    Patent number: 11069503
    Abstract: An electron generating apparatus includes a filament, a power supply configured to supply power to the filament so as to make the filament emit an electron, and a controller configured to repeatedly detect a value having a correlation with power supplied from the power supply to the filament, determine whether a state of the filament satisfies a notification condition, by using a plurality of detected values, and perform notification when the state satisfies the notification condition.
    Type: Grant
    Filed: September 14, 2020
    Date of Patent: July 20, 2021
    Assignee: CANON ANELVA CORPORATION
    Inventors: Noriyuki Saito, Kyuma Iizuka, Eriko Chida
  • ELECTRON GENERATING APPARATUS AND IONIZATION GAUGE
    Publication number: 20210090840
    Abstract: An electron generating apparatus includes a filament, a power supply configured to supply power to the filament so as to make the filament emit an electron, and a controller configured to repeatedly detect a value having a correlation with power supplied from the power supply to the filament, determine whether a state of the filament satisfies a notification condition, by using a plurality of detected values, and perform notification when the state satisfies the notification condition.
    Type: Application
    Filed: September 14, 2020
    Publication date: March 25, 2021
    Applicant: Canon Anelva Corporation
    Inventors: Noriyuki SAITO, Kyuma IIZUKA, Eriko CHIDA