Patents by Inventor Ichinosuke Ishii

Ichinosuke Ishii 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).

  • Pulse monitor
    Patent number: D331020
    Type: Grant
    Filed: March 8, 1991
    Date of Patent: November 17, 1992
    Assignee: Nihon Seimitsu Sokki Co., Ltd.
    Inventors: Ichinosuke Ishii, Kazuyoshi Ohshima
  • Pulse monitor
    Patent number: D331021
    Type: Grant
    Filed: March 8, 1991
    Date of Patent: November 17, 1992
    Assignee: Nihon Seimitsu Sokki Co., Ltd.
    Inventors: Ichinosuke Ishii, Kazuyoshi Ohshima
  • Pulse monitor
    Patent number: D356151
    Type: Grant
    Filed: November 4, 1992
    Date of Patent: March 7, 1995
    Assignee: Nihon Seimitsu Sokki Co., Ltd.
    Inventors: Ichinosuke Ishii, Kazuyoshi Ohshima