Patents by Inventor Katsuhiko Tabuchi

Katsuhiko Tabuchi 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: 4270543
    Abstract: A silver-silver chloride skin electrode is prepared by coating a composition containing silver grain, silver chloride grain and glass frit on a substrate made of a spinel type crystalline oxide such as ferrite and sintering the coated layer. The electrode is durable to an electroconductive paste.
    Type: Grant
    Filed: October 9, 1979
    Date of Patent: June 2, 1981
    Assignee: TDK Electronics Co., Ltd.
    Inventors: Katsuhiko Tabuchi, Toshiaki Kato, Kenryo Namba
  • Patent number: 4259965
    Abstract: In a skin electrode for connecting monitoring equipment to the surface of the skin which is separable into two assemblies: a base assembly adapted to be mounted to the surface of the skin and having a sensing element, and; a terminal assembly adapted to be releasably coupled with the base assembly and having a lead for connection to the monitoring equipment, an improvement wherein the terminal assembly is provided with a magnet while the base assembly is provided with a ferromagnetic element, whereby the releasable coupling and electrical connection of the assemblies may be ensured by the action of the magnet.
    Type: Grant
    Filed: March 23, 1979
    Date of Patent: April 7, 1981
    Assignee: TDK Electronics Co., Ltd.
    Inventors: Kotaro Fukuda, Yosinori Okamoto, Masakatsu Shimada, Toshiaki Kato, Katsuhiko Tabuchi, Makoto Shimura, Takashi Fujiwara
  • Patent number: 4235241
    Abstract: An improved electrode for living body is proposed which is excellent in the stability and reliability in detecting and transmitting the electric signals generated in a living body by the physiological electric phenomena such as electrocardiographic, electromyographic and electroencephalographic signals.The electrode of the invention is characterized by the material which is mainly a titanium hydride or a mixture of a titanium hydride with silver chloride optionally combined with a metal salt with basicity and a carbon powder, e.g. graphite.
    Type: Grant
    Filed: September 5, 1978
    Date of Patent: November 25, 1980
    Assignee: TDK Electronics Co., Ltd.
    Inventors: Katsuhiko Tabuchi, Toshiaki Kato