Patents by Inventor Nobuyuki Cono

Nobuyuki Cono 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).

  • Oxygen concentration sensor for an internal combustion engine
    Patent number: 4787966
    Abstract: An oxygen concentration sensor having an oxygen ion conductive solid electrolyte member forming a gas diffusion restricted region into which a measuring gas is introduced, includes a pump current source for supplying a pump current across a pair of electrodes sandwiching the solid electrolyte through a current detection element and a heater for heating the solid electrolyte. By an arrangement in which the current detection element is connected to one of the pair of electrodes facing the gas diffusion restricted region, error of measurement due to leakage of a drive current of the heater is prevented.
    Type: Grant
    Filed: July 10, 1987
    Date of Patent: November 29, 1988
    Assignee: Honda Giken Kogyo Kabushiki Kaisha
    Inventors: Toyohei Nakajima, Yasushi Okada, Toshiyuki Mieno, Nobuyuki Cono