Patents by Inventor Shoichi Tomeba

Shoichi Tomeba 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).

  • Device for controlling liquid dropping
    Patent number: 4827970
    Abstract: A liquid dropping control device holds a bendable tube between a stationary klemmen and a movable klemmen, and adjusts a throttling amount of the tube by the movable klemmen, and comprises a means for detecting dropping of a liquid staying in a dropping tube, to be connected to said tube; a means for moving at high speed the movable klemmen to a direction of opening said tube so as to rapidly start dropping of the liquid staying in the dropping tube; a means for, after detecting start of the liquid dropping, moving the movable klemmen in a direction of throttling the tube and stopping it; and a means for, after detecting subsequent droppings, moving the movable klemmen at low speed so as to control said subsequent droppings at a determined speed.
    Type: Grant
    Filed: October 13, 1987
    Date of Patent: May 9, 1989
    Assignee: Kawasumi Laboratories, Inc.
    Inventors: Yuzuru Sugisaki, Makoto Takada, Kazuhiko Tokuda, Yasuo Suzuki, Takashi Oya, Shoichi Tomeba, Shinichiro Yoshida