Patents by Inventor Hisako Ohgawara

Hisako Ohgawara 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).

  • Use of vinca alkaloids and salts thereof
    Patent number: 8394629
    Abstract: An agent containing a vinca alkaloid or its pharmacologically acceptable salt as an active ingredient can induce insulin production and/or secretion of non-neoplastic cells derived from the pancreas.
    Type: Grant
    Filed: June 3, 2009
    Date of Patent: March 12, 2013
    Assignee: Keio University
    Inventors: Kazuo Umezawa, Hisako Ohgawara, Itaru Kojima, Takashi Koyano
  • USE OF VINCA ALKALOIDS AND SALTS THEREOF
    Publication number: 20090239301
    Abstract: An agent containing a vinca alkaloid or its pharmacologically acceptable salt as an active ingredient can induce insulin production and/or secretion of non-neoplastic cells derived from the pancreas.
    Type: Application
    Filed: June 3, 2009
    Publication date: September 24, 2009
    Inventors: Kazuo Umezawa, Hisako Ohgawara, Itaru Kojima, Takashi Koyano
  • Use of Vinca Alkaloids and Salts Thereof
    Publication number: 20070232533
    Abstract: An agent containing a vinca alkaloid or its pharmacologically acceptable salt as an active ingredient can induce insulin production and/or secretion of non-neoplastic cells derived from the pancreas.
    Type: Application
    Filed: May 10, 2004
    Publication date: October 4, 2007
    Inventors: Kazuo Umezawa, Hisako Ohgawara, Itaru Kojima, Takashi Koyano
  • Chamber for artificial organ
    Publication number: 20030124722
    Abstract: A chamber is arranged as follows to prevent deteriorating functions of pancreatic cells, namely, reducing secretory amount of insulin. The chamber for artificial organs comprises, a silicone rubber ring and two porous polymer membranes adhered to both side of the silicone ring so as to form a vessel. Pancreatic cells having functions capable of substituting for a pancreas which loses its functions and a cell culture scaffold are filled in the vessel. Spongy chitin is also filled in the vessel as a carrier of the pancreatic cells.
    Type: Application
    Filed: December 20, 2002
    Publication date: July 3, 2003
    Inventors: Hisako Ohgawara, Kosiro Sato