Patents by Inventor Katumi Hamasaki

Katumi Hamasaki 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).

  • Apparatus for sorting specimens
    Patent number: 5150795
    Abstract: A specimen sorting apparatus sorts specimens such as blood or urea from different subjects into predetermined classes according to examination items.
    Type: Grant
    Filed: July 16, 1991
    Date of Patent: September 29, 1992
    Assignee: Mitsubishi Petrochemical Engineering Company Ltd.
    Inventors: Naoki Nakayama, Katumi Hamasaki