Patents by Inventor Tsutae Akao

Tsutae Akao 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).

  • Patent number: 4425237
    Abstract: The use of a hydrophobic, water-insoluble, granular porous organic polymer having an average pore diameter of 500 to below 5,000.ANG. has been found to be extremely effective for separating T cells from leukocytes when the latter is contacted with the porous organic polymer in the presence of an animal serum protein.
    Type: Grant
    Filed: March 3, 1982
    Date of Patent: January 10, 1984
    Assignee: Asahi Kasei Kogyo Kabushiki Kaisha
    Inventors: Tsutomu Abe, Tsutae Akao, Akihiko Ikeda