Patents by Inventor Youko Hirakawa

Youko Hirakawa 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).

  • Publication number: 20050074499
    Abstract: A ligand-bonded complex which does not react with a free target such as a soluble tumor antigen, but enables substantially specific reaction with a non-free target such as a tumor cell and a tumor antigen existing in the cell.
    Type: Application
    Filed: November 29, 2004
    Publication date: April 7, 2005
    Applicant: MITSUBISHI CHEMICAL CORPORATION
    Inventors: Toshiaki Tagawa, Tsutomu Suzuki, Nobuhisa Yada, Kazuhiro Nagaike, Youko Hirakawa, Saiko Hosokawa