Patents by Inventor Satoshi Shigeoka

Satoshi Shigeoka 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).

  • Rhodanine derivatives
    Patent number: 4446143
    Abstract: The rhodanine derivatives of the general formula: ##STR1## possess a strong inhibitory activity on aldose reductase, and are useful for the prevention and treatment of nerve disturbances such as neuralgia, retinopathy, diabetic cataract and renal disturbances such as tubular nephropathy.
    Type: Grant
    Filed: July 27, 1981
    Date of Patent: May 1, 1984
    Assignee: Ono Pharmaceutical Co., Ltd.
    Inventors: Tadao Tanouchi, Satoshi Shigeoka, Masanori Kawamura, Masaki Hayashi, Hiroshi Terashima, Fumio Hirata