Patents by Inventor Ryuko Kayagaki

Ryuko Kayagaki 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).

  • Division directing device for blood testing
    Patent number: 5284623
    Abstract: A device for indicating the sequence for division of a blood sample comprises an adjustable tilting rack plate for supporting a rack with a number of test tube holes, an array of indicating lamps which correspond to the, test tube holes, and which are selectively illuminated to indicate when the division of each sample is to be performed.
    Type: Grant
    Filed: February 12, 1992
    Date of Patent: February 8, 1994
    Assignee: Falco Biosystems, Inc.
    Inventors: Toshio Yamori, Ryuko Kayagaki