Patents by Inventor Naoya Okusa

Naoya Okusa 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).

  • Immunoassay making use of latex agglutination
    Patent number: 4952520
    Abstract: An immunoassay making use of latex agglutination is practized by providing a colored latex as a latex, subjecting the colored latex to an immune reaction to form agglutinated particles of the colored latex, capturing the particles by means of a thin membrane with capillary-shaped pores formed therethrough, and then measuring the amount of the agglutinated particles thus captured.
    Type: Grant
    Filed: May 25, 1988
    Date of Patent: August 28, 1990
    Assignee: Daiichi Pure Chemicals Co., Ltd.
    Inventors: Naoya Okusa, Taira Kanada