Patents by Inventor Katuki Takayama

Katuki Takayama 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).

  • Electrical speed sensor
    Patent number: 4159433
    Abstract: An electrical speed sensor having a pair of relatively confrontingly rotatable pole members one of which is fixed to the transmission housing of a vehicle while the other members being connected for rotation to a shaft driven by an output shaft of the transmission, characterized by provision of a shaft coupling interposed between the shaft and the said one of the pole mmebers and being rigid in torsion only, to thereby block transmitting of any deflection from the shaft to the said one of the members, with an accurate electric output from the sensor ensured.
    Type: Grant
    Filed: August 16, 1977
    Date of Patent: June 26, 1979
    Assignees: Aisen Seiki Kabushiki Kaisha, Toyota Jidosha Kogyo Kabushiki Kaisha
    Inventors: Katuki Takayama, Kojiro Mori, Hiroyuki Amano