Patents by Inventor Hitoshi Kanagawa

Hitoshi Kanagawa 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).

  • Electrochemical gas sensor
    Patent number: 5215643
    Abstract: An electrochemical gas sensor comprises an insulating substrate, active and counter electrodes disposed on a surface of the insulating substrate mutually spaced to have respectively reactive portions, a reference electrode spaced from the active and counter electrodes and having a reactive portion, and a solid electrolyte layer formed to cover the reactive portions of the active, counter and reference electrodes, whereby the sensitivity to gases of the active electrode is improved and stabilized.
    Type: Grant
    Filed: April 28, 1989
    Date of Patent: June 1, 1993
    Assignee: Matsushita Electric Works, Ltd.
    Inventors: Shigekazu Kusanagi, Toru Fujioka, Ayumu Yasuda, Noriyuki Yamaga, Yoshifumi Watabe, Kenji Doi, Keiji Kakite, Koichi Aizawa, Hitoshi Kanagawa