Patents by Inventor Joseph T. Tomita

Joseph T. Tomita 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).

  • Antibody adsorbed support method for carcinoembryonic antigen assay
    Patent number: 4272504
    Abstract: This invention relates to an immunoassay for carcinoembryonic antigen in plasma or sera. Heat-treating the plasma or serum provides a supernatant which is incubated with a solid support having carcinoembryonic antigen antibody adsorbed thereto. Subsequently, the solid support is incubated with a labeled carcinoembryonic antigen antibody. The labeled antibody on the solid support is measured and compared to standards.
    Type: Grant
    Filed: December 14, 1978
    Date of Patent: June 9, 1981
    Assignee: Abbott Laboratories
    Inventors: Yung D. Kim, Joseph T. Tomita, Jay R. Schenck
  • Pretreatment method for carcinoembryonic antigen assay
    Patent number: 4180556
    Abstract: An improvement in a method for the separation of carcinoembryonic antigen (CEA) from a plasma sample preparatory to conducting an assay for said antigen is disclosed.
    Type: Grant
    Filed: June 16, 1978
    Date of Patent: December 25, 1979
    Assignee: Abbott Laboratories
    Inventors: Yung D. Kim, Joseph T. Tomita, Jay R. Schenck