Patents by Inventor Yumiko Nagai

Yumiko Nagai 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).

  • 24R,25-dihydroxycholecalciferol to treat vitamin D resistant rickets
    Patent number: 5508274
    Abstract: A pharmaceutical composition containing 24,25-dihydroxycholecalciferol is provided. The active ingredient used in the present invention is an intrinsic and safe substance, and so does not exhibit hypercalcemia which is the side effect induced by conventional antirachitic agents, and is effective for the treatment of rickets, particularly vitamin D resistant rickets.
    Type: Grant
    Filed: November 8, 1994
    Date of Patent: April 16, 1996
    Assignees: Kureha Chemical Industry Company, Ltd., Yoshiki Seino
    Inventors: Yoshiki Seino, Hiroyuki Tanaka, Yumiko Nagai