Patents by Inventor Akira Fujitani

Akira Fujitani 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).

  • Method of and apparatus for detecting an occlusion of liquid transfusion tube
    Patent number: 5098380
    Abstract: There is disclosed an apparatus for detecting an occlusion of a liquid transfusion tube in which a pump section is provided in a liquid transfusion tube for connecting an infusion liquid container with a body infusion element. An occlusion of the liquid transfusion tube is detected according to an amount of displacement of the liquid transfusion tube displaceable under a pressure of a liquid transfused to the liquid transfusion tube by an operation of the pump section.
    Type: Grant
    Filed: March 30, 1989
    Date of Patent: March 24, 1992
    Assignee: Nikkiso Co., Ltd.
    Inventors: Takeshi Aizawa, Akira Fujitani, Tetsuya Miyatake, Kazumi Yokoyama, Shigeru Tanaka