Patents by Inventor Masaharu Shiga

Masaharu Shiga 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: 5981594
    Abstract: A method of treatment for diabetic neuropathy using combined administration of a formulation including as an active ingredient a prostaglandin I derivative, especially a prostaglandin I.sub.2 derivative with an anti-diabetic agent is applied to hypofunction of motor nerve and sensory nerve to which conventional anti-diabetic agents do not provide sufficient treatments, with nerve conduction velocities improved.
    Type: Grant
    Filed: March 10, 1998
    Date of Patent: November 9, 1999
    Assignee: Toray Industries, Inc.
    Inventors: Tasuku Okamoto, Masaharu Shiga, Koji Miyata, Yuji Kuwabara, Shigeru Aoki, Hajimu Kurumatani