Patents by Inventor Ryouichi Katohno

Ryouichi Katohno 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).

  • Hot gas machine
    Patent number: 5400599
    Abstract: Gas displacement volumes of a high temperature chamber and a middle temperature chamber in a high temperature portion of a hot gas machine are different. Alternatively, a gas displacement volume of a low temperature chamber and a middle temperature chamber in a low temperature portion are different.
    Type: Grant
    Filed: December 8, 1992
    Date of Patent: March 28, 1995
    Assignee: Sanyo Electric Co., Ltd.
    Inventors: Hiroshi Sekiya, Masahisa Otake, Junji Matsue, Ryouichi Katohno, Toshikazu Ishihara, Izumi Okamoto, Yoshiaki Kurosawa, Mitsuhiko Ishino