Patents by Inventor Akio Odawara

Akio Odawara 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: 5387581
    Abstract: There is disclosed a pharmaceutical composition for inhibiting the platelet aggregation comprising acetylsalicyclic acid or a pharmaceutically acceptable salt thereof and a 1,5-benzothiazepine derivative of the formula: ##STR1## wherein R.sup.1 is a lower alkyl group or a lower alkoxy group, R.sup.2 is hydrogen atom or a lower alkanoyl group, R.sup.3 is a lower alkyl group, R.sup.4 is hydrogen atom or a lower alkyl group and R.sup.5 is a lower alkyl group or a halogen atom, or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: March 23, 1993
    Date of Patent: February 7, 1995
    Assignee: Tanabe Seiyaku Co. Ltd.
    Inventors: Akio Odawara, Yasuhiko Sasaki, Sakae Murata, Hiroshi Narita
  • Patent number: 5382577
    Abstract: There is disclosed a pharmaceutical composition for inhibiting platelet aggregation comprising 5-(2-chlorobenzyl)-4,5,6,7-tetrahydrothieno[3,2-c]pyridine or a pharmaceutically acceptable salt thereof and a 1,5-benzothiazepine derivative of the formula: ##STR1## wherein R.sup.1 is a lower alkyl group or a lower alkoxy group, R.sup.2 is a lower alkanoyl group, R.sup.3 and R.sup.4 are a lower alkyl group and R.sup.5 is hydrogen atom, a lower alkyl group or a halogen atom, or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: February 5, 1993
    Date of Patent: January 17, 1995
    Assignee: Tanabe Seiyaku Co., Ltd.
    Inventors: Akio Odawara, Yasuhiko Sasaki, Sakae Murata, Hiroshi Narita
  • Patent number: 5206428
    Abstract: A tetrahydronaphthalene derivative of the formula: ##STR1## wherein R.sup.1 is a substituted or unsubstituted phenyl group, naphthyl group, a sulfur- or nitrogen-containing heterocyclic group, a lower alkyl group or cycloalkyl group, and R.sup.2 is hydroxymethyl group, carboxyl group, a lower alkoxycarbonyl group or a group of the formula: ##STR2## wherein R.sup.3 is hydrogen atom or a lower alkyl group, R.sup.
    Type: Grant
    Filed: October 30, 1990
    Date of Patent: April 27, 1993
    Assignee: Tanabe Seiyaku Co., Ltd.
    Inventors: Hideo Nakai, Toyoharu Yamashita, Harumichi Kohno, Yasuhiko Sasaki, Akio Odawara
  • Patent number: 5206418
    Abstract: The invention relates to aminotetrahydronaphthalene derivatives which are intermediates for the preparation of sulfonylaminotetrahydronaphthalenes.
    Type: Grant
    Filed: March 13, 1992
    Date of Patent: April 27, 1993
    Assignee: Tanabe Seiyaku Co., Ltd.
    Inventors: Hideo Nakai, Toyoharu Yamashita, Harumichi Kohno, Yasuhiko Sasaki, Akio Odawara
  • Patent number: 5190975
    Abstract: Method for the treatment or prophylaxis of thromboses or asthma in warm-blooded animal which comprises administering an effective amount of a compound having the formula: ##STR1## wherein R.sup.1 is phenyl group or phenyl group substituted by a member selected from the group consisting of C.sub.1 -C.sub.5 alkyl, C.sub.1 -C.sub.5 alkoxy, halogen atom, trifluoromethyl, and nitro, or naphthyl group, and R.sup.2 is hydroxymethyl or a group of the formula: ##STR2## wherein R.sup.3 is hydrogen atom or C.sub.1 -C.sub.5 alkyl and R.sup.4 is C.sub.3 -C.sub.6 cycloalkyl, C.sub.2 -C.sub.6 alkoxycarbonyl-phenyl, carboxy-phenyl, C.sub.1 -C.sub.5 alkyl, or C.sub.1 -C.sub.5 alkyl having a substituent selected from C.sub.1 -C.sub.5 alkoxycarbonyl, carboxy, C.sub.2 -C.sub.6 alkoxycarbonyl-phenyl, carboxy-phenyl, C.sub.2 -C.sub.6 alkoxycarbonyl-(C.sub.3 -C.sub.6) cycloalkyl and carboxy-(C.sub.3 -C.sub.6) cycloalkyl, or a pharmaceutically acceptable salt thereof to said warm blooded animal.
    Type: Grant
    Filed: June 12, 1992
    Date of Patent: March 2, 1993
    Assignee: Tanabe Seiyaku Co., Ltd.
    Inventors: Takeo Iwakuma, Harumichi Kohno, Yasuhiko Sasaki, Katsuo Ikezawa, Akio Odawara
  • Patent number: 5030652
    Abstract: Indan derivatives of the formula: ##STR1## wherein R.sup.1 is substituted or unsubstituted phenyl, naphthyl or sulfur-containing heterocyclic group, and R.sup.2 is hydroxy-methyl or a group of the formula: ##STR2## wherein R.sup.3 is hydrogen atom or lower alkyl and R.sup.4 is cycloalkyl, lower alkoxycarbonyl-phenyl, carboxy-phenyl, nitrogen-containing heterocyclic group, lower alkyl, or lower alkyl having a substituent selected from lower alkoxycarbonyl, carboxy, lower alkoxycarbonyl-phenyl, carboxy-phenyl, lower alkoxycarbonyl-cycloalkyl and carboxy-cycloalkyl, or a pharmaceutically acceptable salt thereof, which are useful as a platelet aggregation-inhibiting agent and as an agent for the treatment, amelioration and/or prophylaxis of a variety of thrombosis or embolism, coronary and cerebral vascular smooth muscle vellication, asthma, and the like, processes for the preparation thereof, and pharmaceutical composition containing said compound as an active ingredient.
    Type: Grant
    Filed: November 15, 1988
    Date of Patent: July 9, 1991
    Assignee: Tanabe Seiyaku Co., Ltd.
    Inventors: Takeo Iwakuma, Harumichi Kohno, Yasuhiko Sasaki, Katsuo Ikezawa, Akio Odawara
  • Patent number: 4975460
    Abstract: Novel indanoxyacetic acid derivatives of the formula: ##STR1## wherein R.sup.1 is a lower alkyl group, a substituted or unsubstituted phenyl group, naphtyl group or a sulfur-containing heterocyclic group, R.sup.2 is hydroxy group or a protected hydroxy group, p is an integer of 2 or 3, and q is an integer of 0 or 1, and a salt thereof are disclosed.Said derivative (I) and a salt thereof are useful as a platelet aggregation-inhibiting agent and an agent for the treatment, amelioration and/or prophylaxis of a variety of thrombosis, embolism, coronary and cerebral vascular smooth muscl vellication, asthma, and the like.
    Type: Grant
    Filed: February 17, 1989
    Date of Patent: December 4, 1990
    Assignee: Tanabe Seiyaku Co., Ltd.
    Inventors: Takeo Iwakuma, Harumichi Kohno, Yasuhiko Sasaki, Katsuo Ikezawa, Akio Odawara
  • Patent number: 4963587
    Abstract: There are disclosed are glycine derivative of the formula: ##STR1## (wherein R.sup.1 represents a substituted or unsubstituted phenyl group, R.sup.2 represents a carboxyl group which may be protected, Q represents a lower alkylene group and m represents 0 or 1) or a pharmacologically acceptable salt thereof and a process for preparing the same.
    Type: Grant
    Filed: December 5, 1989
    Date of Patent: October 16, 1990
    Assignee: Tanabe Seiyaku Co., Ltd.
    Inventors: Takeo Iwakuma, Yasuo Sekine, Yasuhiko Sasaki, Katsuo Ikezawa, Akio Odawara