Patents by Inventor Seiji IKAWA

Seiji IKAWA 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).

  • Publication number: 20230228891
    Abstract: A radiation detector includes a radiation detection element, a circuit element, and a housing accommodating the radiation detection element and the circuit element, in which a closed space is provided. The housing has an unblocked opening portion, the closed space is disposed inside the housing, the circuit element is disposed in the closed space, and the closed space is decompressed or filled with an inert gas or a dry gas.
    Type: Application
    Filed: March 28, 2022
    Publication date: July 20, 2023
    Inventors: Daisuke MATSUNAGA, Seiji IKAWA, Yuji OKUBO
  • Publication number: 20200355837
    Abstract: A silicon drift detector includes a housing and a silicon drift detection element that is disposed inside the housing. The housing includes an opening that is not closed. The silicon drift detection element includes a top surface facing the opening, and a light shielding film is provided on the top surface.
    Type: Application
    Filed: December 14, 2018
    Publication date: November 12, 2020
    Inventors: Daisuke MATSUNAGA, Junichi AOYAMA, Yuji OKUBO, Seiji IKAWA