Patents by Inventor Masami SHIBAYAMA

Masami SHIBAYAMA 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).

  • Photocathode, electron tube, and method for manufacturing photocathode
    Patent number: 11688592
    Abstract: A photocathode including a substrate, a photoelectric conversion layer provided on the substrate and generating photoelectrons in response to incidence of light, and an underlayer provided between the substrate and the photoelectric conversion layer and containing beryllium, in which the underlayer has a first underlayer containing a nitride of beryllium.
    Type: Grant
    Filed: May 12, 2020
    Date of Patent: June 27, 2023
    Assignee: HAMAMATSU PHOTONICS K.K.
    Inventors: Terunori Kawai, Yoshitaka Torii, Masami Shibayama, Hiroyuki Watanabe, Shinichi Yamashita
  • PHOTOCATHODE, ELECTRON TUBE, AND METHOD FOR MANUFACTURING PHOTOCATHODE
    Publication number: 20220230860
    Abstract: A photocathode including a substrate, a photoelectric conversion layer provided on the substrate and generating photoelectrons in response to incidence of light, and an underlayer provided between the substrate and the photoelectric conversion layer and containing beryllium, in which the underlayer has a first underlayer containing a nitride of beryllium.
    Type: Application
    Filed: May 12, 2020
    Publication date: July 21, 2022
    Applicant: HAMAMATSU PHOTONICS K.K.
    Inventors: Terunori KAWAI, Yoshitaka TORII, Masami SHIBAYAMA, Hiroyuki WATANABE, Shinichi YAMASHITA