Patents by Inventor Motokazu Itoi

Motokazu Itoi 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: 5110796
    Abstract: A prophylactic and therapeutic agent is provided for the prevention and treatment of cataracts. The agent is comprised of glutathione monoalkyl esters such as, isopropyl.gamma.-L-glutamyl-L-cysteinyl glycinate sulfate, and a pharmaceutically acceptable carrier.
    Type: Grant
    Filed: December 7, 1989
    Date of Patent: May 5, 1992
    Assignee: Yamanouchi Pharmaceutical Co., Ltd.
    Inventors: Motokazu Itoi, Shizuko Kobayashi, Yasuo Ishii, Minako Kasuya