Patents by Inventor Masato Terakawa

Masato Terakawa 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).

  • 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
  • Patent number: 4931440
    Abstract: The invention relates to a method for preventing and/or treating gout and hyperuricemia which comprises administering a uricosuric 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 thereof.
    Type: Grant
    Filed: July 20, 1988
    Date of Patent: June 5, 1990
    Assignee: Fujisawa Pharmaceutical Company, Ltd.
    Inventors: Mitsuyoshi Nakashima, Mitsutaka Kanamaru, Akira Sugiyama, Masato Terakawa