Patents by Inventor Katsushi Koyama

Katsushi Koyama 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: 20160379731
    Abstract: A sheet-like stacked body 1 includes a flexible graphite sheet 10 and a conductive resin layer 20 formed on the graphite sheet 10. The conductive resin layer 20 includes carbon particles and binder.
    Type: Application
    Filed: July 18, 2014
    Publication date: December 29, 2016
    Applicant: TOYO TANSO CO., LTD.
    Inventors: Nobuya Misaki, Katsushi Koyama, Toshihiro Hosokawa
  • Patent number: 6640100
    Abstract: A large-capacity WLL base station 7 as a wireless local loop base station is wirelessly linked to a PHS radio station 10 of about 10 channels which accepts the connection thereto of various PHS terminals 12 and a fixed subscriber's terminal 11 which can accommodate a plurality of fixed telephone sets 13, by use of a PHS band different from that of the PHS terminal 12. The fixed subscriber's terminal 11 and the PHS radio station 10 are located within one communication area of the large-capacity WLL base station 7. Thereby, it is provided a radio communication system which provides efficient construction of wireless communications facilities by locating subscribers of a wireless local loop and a base station for microcell-basis, portable communication terminals within a communication area.
    Type: Grant
    Filed: June 28, 1999
    Date of Patent: October 28, 2003
    Assignee: Kyocera Corporation
    Inventors: Satoshi Kojima, Akira Hirao, Junichi Kimura, Katsushi Koyama