Patents by Inventor Yoshinari Kumagai

Yoshinari Kumagai 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).

  • Phosphopeptides and methods of treating bone diseases
    Patent number: 5837674
    Abstract: Phosphopeptides which significantly reduce bone loss or weakening are provided by the invention. Also provided is a method for treating or preventing any condition associated with bone loss or weakening by administering the phosphopeptides by oral or injectable means.
    Type: Grant
    Filed: July 3, 1996
    Date of Patent: November 17, 1998
    Assignee: Big Bear Bio, Inc.
    Inventors: Yoshinari Kumagai, Akira Otaka
  • Calcium containing composition from sea urchin with high oral bioavailability
    Patent number: 5620709
    Abstract: A calcium containing composition was obtained by baking sea urchin shells. This calcium containing composition gives superior oral bioavailability, has better appearance and taste, contains low impurity, and provides high yield. Therefore, this sea urchin shell derived calcium containing composition is useful in the treatment and prophylaxis of various diseases which require calcium supplementation such as hypocalcemia, osteoporosis, renal osteodystrophy, and so forth. Also, it is suitable to combining into health food and feed for the purpose of calcium supply.
    Type: Grant
    Filed: July 14, 1994
    Date of Patent: April 15, 1997
    Assignee: Kabushiki Kaisha Megawave Japan
    Inventors: Yoshinari Kumagai, Azuma Kubo