Patents by Inventor Yukio Motoyama

Yukio Motoyama 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 pyrazolopyridine compound
    Patent number: 6232324
    Abstract: The present invention relates to a pharmaceutical composition for the prevention and/or the treatment of dialysis-induced hypotension and/or hypotension after dialysis which comprises, as an active ingredient, a pyrazolopyridine compound of the following formula wherein the groups R1, R2 R3, or a said thereof are herein defined.
    Type: Grant
    Filed: October 24, 1997
    Date of Patent: May 15, 2001
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Hiroyuki Mizuo, Tokuaki Kajiho, Haruo Horiai, Yukio Motoyama, Kimio Esumi
  • Antidiabetic method comprising 7-thiaprostaglandin E.sub.1 or its derivatives
    Patent number: 4937265
    Abstract: An antidiabetic composition which comprises a 7-thiaprostaglandin E.sub.1 represented by the formula ##STR1## wherein R.sup.1 is hydrogen atom, a straight-chain or branched-chain alkyl group or one equivalent of cation, R.sup.2 is hydrogen atom or methyl group, R.sup.3 is a straight-chain or branched-chain alkyl group or a cycloalkyl group, n is 0 or 1, and the asterisk represents an asymmtric carbon atom, which can be administered orally to exhibit the desired activity.
    Type: Grant
    Filed: May 17, 1988
    Date of Patent: June 26, 1990
    Assignees: Teijin Limited, Fujisawa Pharmaceutical Company, Ltd.
    Inventors: Toshio Tanaka, Yukio Motoyama