Patents by Inventor Haruo Horiai

Haruo Horiai 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
  • Process for producing pyrrolidine derivative and salt thereof
    Patent number: 5675011
    Abstract: A process for producing a compound of the general formula: ##STR1## wherein R.sup.1 is heterocyclic(lower)alkyl, R.sup.2 is acyl, andR.sup.3 is carboxy(lower)alkyl or protected carboxy(lower)alkyl,which is useful as a medicament or a salt thereof.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: October 7, 1997
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Kohji Kagara, Shunsuke Goto, Satoshi Yonishi, Muneharu Ikushima, Yukihisa Baba, Haruo Horiai
  • Process for producing pyrrolidine derivative and salt thereof
    Patent number: 5543525
    Abstract: A process for producing a compound of the general formula: ##STR1## wherein R.sup.1 is heterocyclic(lower)alkyl,R.sup.2 is acyl, andR.sup.3 is carboxy(lower)alkyl orprotected carboxy (lower) alkyl, which is useful as a medicament or a salt thereof.
    Type: Grant
    Filed: December 30, 1994
    Date of Patent: August 6, 1996
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Kohji Kagara, Shunsuke Goto, Satoshi Yonishi, Muneharu Ikushima, Yukihisa Baba, Haruo Horiai
  • Diuretic or antihypertensive composition
    Patent number: 4957923
    Abstract: A method for treating edema or hypertension which comprises administering an effective amount of a quinazoline derivative of the general formula: ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 each is a hydrogen atom or a halogen atom or a pharmaceutically acceptable salt thereof to a human being in need of said treatment.
    Type: Grant
    Filed: February 24, 1989
    Date of Patent: September 18, 1990
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Mitsuyoshi Nakashima, Mitsutaka Kanamaru, Akira Sugiyama, Masato Terakawa, Takaharu Ono, Haruo Horiai