Patents by Inventor Yasushi Kakizaki

Yasushi Kakizaki 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).

  • Patent number: 5603272
    Abstract: A two-needle sewing machine includes first and second sewing needles for performing two stitching operations at the same time; a motor for driving the first and second sewing needles; first and second thread cutting mechanisms provided for the first and second sewing needles, respectively, for cutting threads at the ends of the stitching operations; a first actuator and a second actuator for driving respective ones of the first and second thread cutting mechanisms; and a thread cutting control circuit which stores data corresponding to the timing of a first thread cutting drive signal to the first actuator and the timing of a second thread cutting drive signal to the second actuator, both signals corresponding to rotational speeds of the motor, and which, according to the data and the rotational speeds of the motor, applies the first and second thread cutting drive signals to the first and second actuators at different times defined by the data.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: February 18, 1997
    Assignee: Juki Corporation
    Inventors: Yoshimi Takahashi, Yasushi Kakizaki