Patents by Inventor Etsumi Nagaya

Etsumi Nagaya 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).

  • Flow control device
    Patent number: 6367502
    Abstract: A flow control device has a body (41), a plurality of elastic flow control tube (51-54) provided in the body (41), a single fluid path (55) in communication with the flow control tube (51-54), a slider (56) slidable relative to the body (41), and a valve mechanism (71) for selectively pressing and shutting the flow control tube (51-54) in accordance with a slide position of the slider (56).
    Type: Grant
    Filed: September 21, 2000
    Date of Patent: April 9, 2002
    Assignee: Aubex Corporation
    Inventors: Masahiro Kanai, Etsumi Nagaya