Patents by Inventor Tai Matsuzawa

Tai Matsuzawa 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).

  • Stable insulin preparation for nasal administration
    Patent number: 4153689
    Abstract: Nasal administration of insulin is achieved by the use of an aqueous solution whose pH value is not higher than 4.7.
    Type: Grant
    Filed: August 15, 1977
    Date of Patent: May 8, 1979
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Shin-Ichiro Hirai, Toshiaki Ikenaga, Tai Matsuzawa