Patents by Inventor Hideko Ishihara

Hideko Ishihara 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).

  • Sugar chain
    Patent number: 5132413
    Abstract: A sugar chain of the following formula is disclosed. ##STR1## It can be prepared by separating glycoproteins from cell membrane components by using lectins which recognize the sugar chain, releasing the sugar chain structure from the glycoproteins, and purifying the released sugar chain. The sugar chain is useful for the diagnosis and treatment of cancer.
    Type: Grant
    Filed: September 25, 1990
    Date of Patent: July 21, 1992
    Assignee: Japan Immuno Research Laboratories Co., Ltd.
    Inventors: Akihiro Aizawa, Nobuo Shimoda, Masakazu Adachi, Katsunari Tezuka, Hideko Ishihara, Hiroyuki Hanzawa, Yoji Arata, Noriko Takahashi