Patents by Inventor Takaharu Ono

Takaharu Ono 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).

  • Venous extensibility improving and cardiac hypertrophy suppressant agent containing a dihydropyridine compound
    Patent number: 5032601
    Abstract: Dihydropyridine compounds of the formula ##STR1## in which R.sup.1 is a nitrophenyl group and R.sup.2, R.sup.3, and R.sup.4 are lower alkyl groups or pharmaceutically acceptable salts thereof are useful for improving venous extensibility and suppressing cardiac hypertrophy.
    Type: Grant
    Filed: December 27, 1988
    Date of Patent: July 16, 1991
    Assignee: Fujisawa Pharmaceutical Company, Ltd.
    Inventors: Takaharu Ono, Minoru Otsuka
  • 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
  • Cerebral dysfunction therapeutic agent, which comprises a dihydropyridine compound
    Patent number: 4782070
    Abstract: The treatment of cerebral dysfunction with a dihydropyridine compounds the formula: ##STR1## R.sup.1 is nitrophenyl and R.sup.2, R.sup.3 and R.sup.4 are each lower alkyl or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: June 19, 1987
    Date of Patent: November 1, 1988
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Takaharu Ono, Toshiharu Kamitani, Minoru Ohtsuka