Patents by Inventor Noriko Akimaru

Noriko Akimaru 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).

  • Peg-modified HGF
    Patent number: 5977310
    Abstract: This invention relates to a PEG-modified HGF (Hepatocyte Growth Factor), namely HGF modified by polyethylene glycol. The PEG-modified HGF of the invention has a prolonged clearance in vivo, effectively exhibits its physiological activity for a long period of time, and has the same physiological activity as HGF, which makes it possible to reduce the dose and relieve the side effects of the same.
    Type: Grant
    Filed: November 4, 1997
    Date of Patent: November 2, 1999
    Assignee: Toshikazu Nakamura and Sumitomo Pharmaceuticals Co., Ltd.
    Inventors: Mitsuo Namiki, Naoto Kusunose, Noriko Akimaru