Patents by Inventor Hisashi Ida

Hisashi Ida 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).

  • 4-Carbamoylamino-.alpha.-aminomethylbenzyl alcohol derivatives
    Patent number: 4145363
    Abstract: There are disclosed novel 4-substituted amino-.alpha.-aminomethylbenzyl alcohol derivatives represented by the formula: ##STR1## wherein X represents a halogen atom; Y represents a hydrogen atom or a halogen atom; R.sub.1 represents a lower alkyl group, a carbamoyl group, a mono- or di-lower alkyl-substituted carbamoyl group, a phenyl-substituted carbamoyl group, a lower alkoxycarbonyl group, a lower alkoxy-substituted lower alkoxycarbonyl group, a phenyl-substituted lower alkoxycarbonyl group, or a cycloalkyloxycarbonyl group; and R.sub.2 represents a lower alkyl group, a cycloalkyl group, or the group shown by the ##STR2## wherein R.sub.3 represents a hydrogen atom or a lower alkyl group and R.sub.4 represents a hydrogen atom, a hydroxy group, or a lower alkoxy group and the pharmaceutically acceptable nontoxic salts thereof.These compounds are antiasthmatic agents useful for the prophylaxis and treatment of asthma.
    Type: Grant
    Filed: June 27, 1977
    Date of Patent: March 20, 1979
    Assignee: Yamanouchi Pharmaceutical Co., Ltd.
    Inventors: Masuo Murakami, Kozo Takahashi, Kiyoshi Murase, Toshiyasu Mase, Hisashi Ida, Toichi Takenaka
  • 4-Substituted amino-.alpha.-aminomethylbenzyl alcohol derivatives
    Patent number: 4063025
    Abstract: There are disclosed novel 4-substituted amino-.alpha.-aminomethylbenzyl alcohol derivatives represented by the formula: ##STR1## wherein X represents a halogen atom; Y represents a hydrogen atom or a halogen atom; R.sub.1 represents a lower alkyl group, a carbamoyl group, a mono- or di-lower alkyl-substituted carbamoyl group, a phenyl-substituted carbamoyl group, a lower alkoxycarbonyl group, a lower alkoxy-substituted lower alkoxycarbonyl group, a phenyl-substituted lower alkoxycarbonyl group, or a cycloalkyloxycarbonyl group; and R.sub.2 represents a lower alkyl group, a cycloalkyl group, or the group shown by the formula ##STR2## wherein R.sub.3 represents a hydrogen atom or a lower alkyl group and R.sub.4 represents a hydrogen atom, a hydroxy group, or a lower alkoxy group and the pharmaceutically acceptable nontoxic salts thereof.These compounds are antiasthmatic agents useful for the prophylaxis and treatment of asthma.
    Type: Grant
    Filed: January 23, 1976
    Date of Patent: December 13, 1977
    Assignee: Yamanouchi Pharmaceutical Co., Ltd.
    Inventors: Masuo Murakami, Kozo Takahashi, Kiyoshi Murase, Toshiyasu Mase, Hisashi Ida, Toichi Takenaka
  • .alpha.-Aminomethylbenzyl alcohol derivatives
    Patent number: 3994974
    Abstract: Novel .alpha.-aminomethylbenzyl alcohol derivatives, particularly .alpha.-aminoethyl-3-substituted amino-4-hydroxybenzyl alcohol derivatives. The compounds of this invention are useful as bronchodilating agents.
    Type: Grant
    Filed: May 7, 1974
    Date of Patent: November 30, 1976
    Assignee: Yamanouchi Pharmaceutical Co., Ltd.
    Inventors: Masuo Murakami, Kozo Takahashi, Toshiyasu Mase, Kiyoshi Murase, Hisashi Ida