Patents by Inventor Naoyo Hashimoto

Naoyo Hashimoto 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).

  • Electromagnetic device with cover for prevention of damage to conductor of electromagnetic device
    Patent number: 7187260
    Abstract: A stepping motor according to the present invention used in a case containing oil includes a motor having a coil formed with a conductor wound around a bobbin and a cover member enclosing the coil, and a housing which houses the motor. The cover member serves to protect the coil from being directly subjected to molding pressure when the housing is injection-molded.
    Type: Grant
    Filed: September 25, 2001
    Date of Patent: March 6, 2007
    Assignee: Mitsubishi Denki Kabushiki Kaisha
    Inventors: Naoyo Hashimoto, Teruo Miyaoku, Shiro Hasegawa, Chiaki Sugano, Hiromasa Ozawa, Hirohisa Ohta