Patents by Inventor Tomohiro Kagiyama

Tomohiro Kagiyama 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).

  • Manufacturing method and controlling method of electronic device
    Patent number: 7609070
    Abstract: A manufacturing method of an electronic device includes applying a direct voltage having a first polarity to a capacitor that has an insulating layer including nitrogen and silicon as a capacitor dielectric layer, testing the capacitor to which the direct voltage having the first polarity is applied and determining a nondefective capacitor and a defective capacitor, and applying a direct voltage having a second polarity to the nondefective capacitor. The second polarity is opposite to the first polarity.
    Type: Grant
    Filed: September 21, 2007
    Date of Patent: October 27, 2009
    Assignee: Eudyna Devices Inc.
    Inventors: Tomohiro Kagiyama, Yasuhiro Tosaka, Norikazu Iwagami
  • Manufacturing method and controlling method of electronic device
    Publication number: 20080074119
    Abstract: A manufacturing method of an electronic device includes applying a direct voltage having a first polarity to a capacitor that has an insulating layer including nitrogen and silicon as a capacitor dielectric layer, testing the capacitor to which the direct voltage having the first polarity is applied and determining a nondefective capacitor and a defective capacitor, and applying a direct voltage having a second polarity to the nondefective capacitor. The second polarity is opposite to the first polarity.
    Type: Application
    Filed: September 21, 2007
    Publication date: March 27, 2008
    Applicant: EUDYNA DEVICES INC.
    Inventors: Tomohiro KAGIYAMA, Yasuhiro TOSAKA, Norikazu IWAGAMI