Patents by Inventor Ryo Muto

Ryo Muto 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).

  • Publication number: 20080064682
    Abstract: A compound represented by formula (I): (wherein Ar1 represents a phenyl group which may have 1 to 3 substituents, or a non-substituted 5- or 6-membered aromatic heterocyclic group; Ar2 represents (i) a non-substituted phenyl group, (ii) a phenyl group which has been substituted by a lower alkyl group having 1 to 3 groups or atoms selected from among a carbamoyl group, an amino group, a hydroxyl group, a lower alkoxy group, and a halogen atom, or (iii) a 5- or 6-membered nitrogen-containing aromatic heterocyclic group which has been substituted by 1 to 3 groups or atoms selected from among a lower alkyl group, a lower alkynyl group, a lower alkanoyl group, a carbamoyl group, a cyano group, an amino group, a hydroxyl group, a lower alkoxy group, and a halogen atom; and X represents a group represented by formula (II): (wherein the ring structure represents a 4- to 7-membered heterocyclic group which may have, in addition to the nitrogen atom shown in formula (II), one heteroatom selected from among nitr
    Type: Application
    Filed: July 1, 2005
    Publication date: March 13, 2008
    Applicant: DAIICHI PHARMACEUTICAL CO., LTD.
    Inventors: Naoaki Kanaya, Takashi Ishiyama, Ryo Muto, Toshiyuki Watanabe, Yuichi Ochiai
  • Publication number: 20070254881
    Abstract: A compound represented by Formula (I): wherein Ar1 represents Formula (II): Ar2 represents a 5- or 6-membered aromatic heterocyclic group which may be substituted; and X represents Formula (III): a salt thereof, or a solvate of the compound or the salt. A potent platelet aggregation suppressant which does not inhibit COX-1 and COX-2 is provided.
    Type: Application
    Filed: August 8, 2005
    Publication date: November 1, 2007
    Applicant: DAIICHI PHARMACEUTICAL CO., LTD.
    Inventors: Naoaki Kanaya, Takashi Ishiyama, Ryo Muto, Toshiyuki Watanabe, Yuichi Ochiai
  • Publication number: 20070219210
    Abstract: A platelet coagulation inhibitor which inhibits neither COX-1 nor COX-2 is provided.
    Type: Application
    Filed: December 27, 2004
    Publication date: September 20, 2007
    Applicant: Daiichi Pharmaceutical Co., LTD.
    Inventors: Naoaki Kanaya, Takashi Ishiyama, Ryo Muto, Yuichi Ochiai, Toshiyuki Watanabe, Noriko Shima