Patents by Inventor Haruko Kawato

Haruko Kawato 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: 20090312310
    Abstract: There is provided a novel compound that inhibits interaction between murine double minute 2 (Mdm2) protein and p53 protein and exhibits anti-tumor activity. The present invention provides an imidazothiazole derivative represented by the following formula (1) having various substituents that inhibits interaction between Mdm2 protein and p53 protein and exhibits anti-tumor activity: wherein R1, R2, R3, R4, and R5 in the formula (1) each has the same meaning as defined in the specification.
    Type: Application
    Filed: June 11, 2009
    Publication date: December 17, 2009
    Inventors: Haruko Kawato, Masaki Miyazaki, Yuuichi Sugimoto, Hiroyuki Naito, Tooru Okayama, Tsunehiko Soga, Kouichi Uoto
  • Patent number: 7056917
    Abstract: A medicament for preventive and/or therapeutic treatment of a microbial infection which comprises as an active ingredient a compound represented by the following general formula (I): wherein, R1 and R2 represent hydrogen atom, a halogen atom, hydroxyl group or the like, W1 represents —CH?CH—, —CH2O—, —CH2CH2— or the like; R3 represents hydrogen atom, a halogen atom, hydroxyl group or an amino group; R4 represents hydrogen atom, a group of —OZ0-4R5 (Z0-4 represents an alkylene group, a fluorine-substituted alkylene group or a single bond, and R5 represents a cyclic alkyl group, an aryl group or the like); W2 represents a single bond or —C(R8)?C(R9)— (R8 and R9 represent hydrogen atom, a halogen atom, a lower alkyl group or the like, Q represents an acidic group, but W2 and Q may together form vinylidenethiazolidinedione or an equivalent heterocyclic ring; m and n represent an integer of 0 to 2, and q represents an integer of 0 to 3.
    Type: Grant
    Filed: April 26, 2001
    Date of Patent: June 6, 2006
    Assignees: Daiichi Pharmaceutical Co., Ltd., Trine Pharmaceuticals, Inc.
    Inventors: Kiyoshi Nakayama, Masami Ohtsuka, Haruko Kawato, William Watkins, Jason Zhang, Monica Palme, Aesop Cho
  • Publication number: 20060106034
    Abstract: A medicament for preventive and/or therapeutic treatment of a microbial infection which comprises as an active ingredient a compound represented by the following general formula (I): wherein, R1 and R2 represent hydrogen atom, a halogen atom, hydroxyl group or the like, W1 represents —CH?CH—, —CH2O—, —CH2CH2— or the like; R3 represents hydrogen atom, a halogen atom, hydroxyl group or an amino group; R4 represents hydrogen atom, a group of —OZ0-4R5 (Z0-4 represents an alkylene group, a fluorine-substituted alkylene group or a single bond, and R5 represents a cyclic alkyl group, an aryl group or the like); W2 represents a single bond or —C(R8)?C(R9)?(R8 and R9 represent hydrogen atom, a halogen atom, a lower alkyl group or the like, Q represents an acidic group, but W2 and Q may together form vinylidenethiazolidinedione or an equivalent heterocyclic ring; m and n represent an integer of 0 to 2, and q represents an integer of 0 to 3.
    Type: Application
    Filed: December 29, 2005
    Publication date: May 18, 2006
    Applicants: Daiichi Pharmaceutical Co., Ltd., Trine Pharmaceuticals, Inc.
    Inventors: Kiyoshi Nakayama, Masami Ohtsuka, Haruko Kawato, William Watkins, Jason Zhang, Monica Palme, Aesop Cho
  • Publication number: 20050009843
    Abstract: A medicament for preventive and/or therapeutic treatment of a microbial infection which comprises as an active ingredient a compound represented by the following general formula (I): wherein, R1 and R2 represent hydrogen atom, a halogen atom, hydroxyl group or the like, W1 represents —CH?CH—, —CH2O—, —CH2CH2— or the like; R3 represents hydrogen atom, a halogen atom, hydroxyl group or an amino group; R4 represents hydrogen atom, a group of —OZ0-4R5 (Z0-4 represents an alkylene group, a fluorine-substituted alkylene group or a single bond, and R5 represents a cyclic alkyl group, an aryl group or the like); W2 represents a single bond or —C(R8)?C(R9)—(R8 and R9 represent hydrogen atom, a halogen atom, a lower alkyl group or the like, Q represents an acidic group, but W2 and Q may together form vinylidenethiazolidinedione or an equivalent heterocyclic ring; m and n represent an integer of 0 to 2, and q represents an integer of 0 to 3.
    Type: Application
    Filed: April 24, 2002
    Publication date: January 13, 2005
    Inventors: Kiyoshi Nakayama, Masami Ohtsuka, Haruko Kawato, Ryo Okumura, Kazuki Hoshino, William Watkins, Jason Zhang, Monica Palme, Aesop Cho
  • Publication number: 20030092720
    Abstract: A medicament for preventive and/or therapeutic treatment of a microbial infection which comprises as an active ingredient a compound represented by the following general formula (I): 1
    Type: Application
    Filed: April 26, 2001
    Publication date: May 15, 2003
    Applicant: DAIICHI PHARMACEUTICAL CO., LTD
    Inventors: Kiyoshi Nakayama, Masami Ohtsuka, Haruko Kawato, William Watkins, Jason Zhang, Monica Palme, Aesop Cho
  • Patent number: 5849757
    Abstract: This invention relates to a N.sub.1 -(halogenocyclopropyl)-substituted pyridonecarboxylic acid derivative represented by the following formula (I): ##STR1## wherein X.sup.1 is a halogen atom or a hydrogen atom; X.sup.2 is a halogen atom; R.sup.1 is a hydrogen atom, a hydroxyl group, a thiol group, a halogenomethyl group, an amino group, an alkyl group or an alkoxy group which may have a substituent group; R.sup.2 is a group represented by the following formula (II): ##STR2## wherein R.sup.3 and R.sup.4 are independently a hydrogen atom or an alkyl group and n is an integer of 1 or 2; A is a nitrogen atom or a partial structure of the following formula (III): ##STR3## wherein X.sup.
    Type: Grant
    Filed: August 4, 1997
    Date of Patent: December 15, 1998
    Assignee: Daiichi Pharmaceutical Co., Ltd.
    Inventors: Makoto Takemura, Youichi Kimura, Katsuhiro Kawakami, Kenichi Kimura, Hitoshi Ohki, Norikazu Matsuhashi, Haruko Kawato