Patents by Inventor Futoshi Isono

Futoshi Isono 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).

  • Washing machine with vector control for drive motor
    Patent number: 7017377
    Abstract: A washing machine includes an electric motor developing torque used for wash, rinse and dehydration operations, a current detector detecting current flowing into the motor, and a torque controller performing a vector control for the motor on the basis of the current detected by the current detector so that the torque developed by the motor is optimum for at least each of the wash and dehydration operations.
    Type: Grant
    Filed: June 5, 2002
    Date of Patent: March 28, 2006
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Tsuyoshi Hosoito, Toshimasa Tanaka, Yoji Okazaki, Michiaki Ito, Shinichiro Kawabata, Kazunobu Nagai, Futoshi Isono
  • Washing machine with vector control for drive motor
    Publication number: 20020189301
    Abstract: A washing machine includes an electric motor developing torque used for wash, rinse and dehydration operations, a current detector detecting current flowing into the motor, and a torque controller performing a vector control for the motor on the basis of the current detected by the current detector so that the torque developed by the motor is optimum for at least each of the wash and dehydration operations.
    Type: Application
    Filed: June 5, 2002
    Publication date: December 19, 2002
    Inventors: Tsuyoshi Hosoito, Toshimasa Tanaka, Yoji Okazaki, Michiaki Ito, Shinichiro Kawabata, Kazunobu Nagai, Futoshi Isono