Patents by Inventor Tomio Koga

Tomio Koga 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).

  • Nifedipine compositions and the production thereof
    Patent number: 4874774
    Abstract: Nifedipine is formulated into a reactally administrable composition for administration to humans and animals to effect coronary dilation and for hypotensive effect.
    Type: Grant
    Filed: August 12, 1986
    Date of Patent: October 17, 1989
    Assignee: Nippon Shinyaku Co., Ltd.
    Inventors: Koichi Ushimaru, Tomoaki Hamakawa, Tomio Koga