Patents by Inventor Ying Shihao

Ying Shihao 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).

  • Oculistics pharmaceutical composition for cataract treatment
    Patent number: 4870106
    Abstract: This invention relates to a pharmaceuticals which contains thyroid hormones and improved method which extracts thyroid hormones from animal thyroid gland. The pharmaceuticals of this invention is used to treat senile cortical cataract. There are some effect of long term on other cataract except subcapsular cataract. The pharmaceuticals of this invention is applied in the form of eyedrops or injection.
    Type: Grant
    Filed: June 12, 1987
    Date of Patent: September 26, 1989
    Assignee: The Hospital Attached to Tianjin Academy of Medical Sciences
    Inventor: Ying Shihao