Patents by Inventor Hisashi Torishima

Hisashi Torishima 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).

  • Medium for culturing normal human epidermal melanocytes
    Patent number: 5916809
    Abstract: Provided is a medium for culturing normal human epidermal melanocytes in vitro. The medium comprises a basal medium for culturing animal cells, Ca.sup.2+ at a final concentration of between about 0.15 mM and about 1.2 mM and Mg.sup.2+ at a final concentration of 1.2 mM and 6 mM or Ca.sup.2+ at a final concentration of between about 0.9 mM and about 1.2 mM and Mg.sup.2+ at a final concentration between about 0.6 mM and 6.0 mM and 0.001 to 0.1% scrum (v/v). The medium can promote both dendrite formation and proliferation of the cells.
    Type: Grant
    Filed: March 20, 1997
    Date of Patent: June 29, 1999
    Assignee: NEC Corporation
    Inventors: Hiroshi Yanase, Hisashi Torishima, Ryohei Yamamoto
  • 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