Patents by Inventor Hirokuni Arakawa

Hirokuni Arakawa 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).

  • Serum-free medium for culturing animal cells
    Patent number: 5326699
    Abstract: The present invention provides a serum-free medium for culturing animal cells characterized in that it comprises 8.0-14.0 mg/l of methionine. Although a wide variety of animal cells can effectively be cultured by means of the serum-free medium according to the present invention, said serum-free medium produces an excellent growth effect for culturing animal epithelial cells in particular.
    Type: Grant
    Filed: September 14, 1993
    Date of Patent: July 5, 1994
    Assignee: Kurashiki Boseki Kabushiki Kaisha
    Inventors: Hisashi Torishima, Hirokuni Arakawa, Ryohei Yamamoto, Toyokazu Nishino, Chikaaki Sakai