Patents by Inventor Keichiro Aoki

Keichiro Aoki 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: 5372838
    Abstract: A process for fabricating an active electrode for an oxygen sensor involves preparing a solution by dissolving an alkoxide of a metal constituting an oxide semiconductor or solid electrolyte in a mixture of a solvent and diethanol amine, adding chloroplatinic acid to said solution to obtain a precipitation, calcining and pulverizing said precipitation to form a micro-composite power of an oxide of said metal and platinum, and forming an electrode on said oxide semiconductor or solid electrolyte using said composite powder.
    Type: Grant
    Filed: December 28, 1992
    Date of Patent: December 13, 1994
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Keichiro Aoki, Yoshiki Chujo