Patents by Inventor Takauki Ituzi

Takauki Ituzi 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).

  • Air-fuel ratio control apparatus for multicylinder engine
    Patent number: 4909223
    Abstract: In an apparatus of the type in which the air-fuel ratio of an engine is detected by an air-fuel ratio sensor and the air-fuel ratio is feedback-controlled in accordance with the detection result to operate the engine at a desired air-fuel ratio, a change of the output characteristic of the air-fuel ratio sensor is always corrected for.
    Type: Grant
    Filed: September 6, 1988
    Date of Patent: March 20, 1990
    Assignees: Hitachi, Ltd., Hitachi Automotive Engineering Co., Ltd.
    Inventors: Takauki Ituzi, Sadayasu Ueno, Norio Ichikawa