Patents by Inventor Hajime Hayase

Hajime Hayase 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).

  • Shuttle type line printer
    Patent number: 5401109
    Abstract: A mounting bed integral with a hammer bank is disposed parallel to a counter balancer composed of a counter balancer constituting member and a yoke. The mounting bed and the yoke are provided with solenoid coils opposed to a permanent magnet provided on the frame, and a pair of bearings are arranged between the mounting bed and the counter balancer constituting member. A position sensor for the mounting bed and the counter balancer is provided. A controller is provided to control a current and direction of the solenoid coil by a detection signal from the position sensor. The mounting bed integral with the hammer bank and the counter balancer are shuttle-operated in opposite directions by the controller.
    Type: Grant
    Filed: February 24, 1994
    Date of Patent: March 28, 1995
    Assignees: Kabushiki Kaisha Yasakawa Denki, Ye Data, Inc.
    Inventors: Juichi Tatsumi, Manabu Muto, Kenji Mori, Hajime Hayase