Patents by Inventor Ryouichi Hisatomi

Ryouichi Hisatomi 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).

  • Patent number: D282077
    Type: Grant
    Filed: May 18, 1983
    Date of Patent: January 7, 1986
    Assignee: Hitachi, Ltd.
    Inventors: Takeshi Abe, Masato Sibayama, Yuhiko Yabe, Ryouichi Hisatomi, Yoshiaki Yoshikawa, Yuuichi Namura, Takeshi Sasaki
  • Patent number: D293324
    Type: Grant
    Filed: August 28, 1985
    Date of Patent: December 22, 1987
    Assignee: Hitachi, Ltd.
    Inventors: Atsuyuki Gotou, Masato Shibayama, Takeshi Abe, Ryouichi Hisatomi, Takeshi Sasaki