Patents by Inventor Kimiyuki Shibuya

Kimiyuki Shibuya 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: 6849647
    Abstract: The present invention provides to a novel compound having an ACAT inhibiting activity.
    Type: Grant
    Filed: September 20, 2000
    Date of Patent: February 1, 2005
    Assignee: Kowa Company, Ltd.
    Inventors: Kimiyuki Shibuya, Toru Miura, Katsumi Kawamine, Yukihiro Sato, Tadaaki Ohgiya, Takahiro Kitamura, Chiyoka Ozaki, Toshiyuki Edano, Mitsuteru Hirata
  • Publication number: 20050020606
    Abstract: The present invention is directed to a 2,4-bis(trifluoroethoxy)pyridine compound represented by formula (1): (wherein X1 represents a fluorine atom or a hydrogen atom) or a salt thereof, and to a drug containing the compound or the salt as an active ingredient. The compound has metabolic resistance in human liver microsome, good absorbability upon oral administration, and excellent ACAT inhibitory activity.
    Type: Application
    Filed: July 6, 2004
    Publication date: January 27, 2005
    Applicant: Kowa Co., Ltd.
    Inventors: Kimiyuki Shibuya, Tadaaki Ohgiya, Takayuki Matsuda, Toru Miura
  • Patent number: 6825223
    Abstract: The invention provides novel anilide compounds and pharmaceutical compositions comprising them. The invention relates to compounds of a formula: wherein Ar is an optionally-substituted aryl group; R4 and R5 are the same or different, and each is a hydrogen atom, a lower alkyl group, or a lower alkoxy group; and R4 and R5 may together form a lower alkylene group of which one or more methylene moieties may optionally be substituted by oxygen and/or sulfur atoms; X is —NH—, or an oxygen or sulfur atom; Y is —NH—, an oxygen or sulfur atom, or a sulfoxide or sulfone group; Z is a single bond, or —NR6—; R4 represents a hydrogen atom or a lower alkylene group; and n is an integer of from 0 to 15; and their salts and solvates. The compounds of the invention are useful as pharmaceutical compositions, especially as acyl coenzyme A cholesterol acyltransferase (ACAT) inhibitors.
    Type: Grant
    Filed: February 21, 2001
    Date of Patent: November 30, 2004
    Assignee: Kowa Company, Ltd.
    Inventors: Kimiyuki Shibuya, Katsumi Kawamine, Yukihiro Sato, Toshiyuki Edano, Souhei Tanabe, Masami Shiratsuchi
  • Patent number: 6806395
    Abstract: A process for producing a 3,5-bisalkylphenol (2) according to the following reaction scheme: (wherein R1 represents a hydrogen atom, an alkali metal atom, an alkaline earth metal atom, or a hydroxyl-protecting group (other than methyl group); R2 represents a C1 to C5 lower alkyl group or an optionally substituted phenyl group; and each of R3 and R4, which may be identical to or different from each other, represents a lower alkyl group, an aralkyl group, or an aryl group); a carbinol compound (1); and a process for producing the carbinol compound. The production process of the present invention enables efficient and safe production of a variety of 3,5-bisalkylphenols including 3,5-diisopropylphenol, which are important as synthesis intermediates for drugs and agricultural chemicals, in shorter steps at high purity in high yield, thus contributing to consistent supply of drugs and agricultural chemicals.
    Type: Grant
    Filed: March 18, 2003
    Date of Patent: October 19, 2004
    Assignee: Kowa Co., Ltd.
    Inventors: Kimiyuki Shibuya, Tadaaki Ohgiya, Toru Miura, Kazuhiro Onogi
  • Patent number: 6797717
    Abstract: The invention relates to a novel anilide compound and a pharmaceutical composition comprising the same. The invention relates to a compound represented by the following general formula: represents a divalent residue of benzene with a substituent(s), heterocycle-condensed benzene which may or may not have a substituent, pyridine which may or may not have a substituent, cyclohexane or naphthalene Ar represents an aryl group which may or may not have a substituent, X represents —NH—, oxygen atom or sulfur atom; Y represents —NR4—, oxygen atom, sulfur atom, sulfoxide or sulfone; Z represents single bond or —NR5—; R4 represents hydrogen atom, a lower alkyl group, an aryl group or a silylated lower alkyl group which may or may not have a substituent; R5 represents hydrogen atom, a lower alkyl group, an aryl group or a silylated lower alkyl group which may or may not have a substituent; and n represents an integer of 0 to 15.
    Type: Grant
    Filed: December 19, 2001
    Date of Patent: September 28, 2004
    Assignee: Kowa Company, Ltd.
    Inventors: Kimiyuki Shibuya, Katsumi Kawamine, Yukihiro Sato, Toshiyuki Edano, Mitsuteru Hirata, Chiyoka Ozaki
  • Publication number: 20040176593
    Abstract: The present invention is directed to a compound represented by the following formula (1) and to a process for producing a compound (5) from the compound (1).
    Type: Application
    Filed: December 12, 2003
    Publication date: September 9, 2004
    Applicant: Kowa Co., Ltd.
    Inventors: Kimiyuki Shibuya, Tadaaki Ohgiya, Toru Miura
  • Publication number: 20040044255
    Abstract: The invention provides a process for producing a 3,5-bisalkylphenol (2) according to the following reaction scheme: 1
    Type: Application
    Filed: March 18, 2003
    Publication date: March 4, 2004
    Inventors: Kimiyuki Shibuya, Tadaaki Ohgiya, Toru Miura, Kazuhiro Onogi
  • Publication number: 20040038987
    Abstract: The present invention offers novel cyclic diamine compounds and a pharmaceutical composition containing the same.
    Type: Application
    Filed: February 20, 2003
    Publication date: February 26, 2004
    Applicant: Kowa Company, Ltd.
    Inventors: Kimiyuki Shibuya, Katsumi Kawamine, Yukihiro Sato, Toru Miura, Chiyoka Ozaki, Toshiyuki Edano, Mitsuteru Hirata, Tadaaki Ohgiya
  • Publication number: 20030087928
    Abstract: The invention relates to novel anilide compounds represented by the following formula IV: 1
    Type: Application
    Filed: February 20, 2002
    Publication date: May 8, 2003
    Applicant: Kowa Company, Ltd., Japan
    Inventors: Kimiyuki Shibuya, Katsumi Kawamine, Yukihiro Sato, Toshiyuki Edano, Mitsuteru Hirata, Chiyoka Ozaki
  • Publication number: 20020099074
    Abstract: The invention relates to a novel anilide compound and a pharmaceutical composition comprising the same.
    Type: Application
    Filed: December 19, 2001
    Publication date: July 25, 2002
    Applicant: Kowa Company, Ltd.,Japan
    Inventors: Kimiyuki Shibuya, Katsumi Kawamine, Yukihiro Sato, Toshiyuki Edano, Mitsuteru Hirata, Chiyoka Ozaki
  • Publication number: 20020037910
    Abstract: The invention provides novel anilide compounds and pharmaceutical compositions comprising them.
    Type: Application
    Filed: February 21, 2001
    Publication date: March 28, 2002
    Inventors: Kimiyuki Shibuya, Katsumi Kawamine, Yukihiro Sato, Toshiyuki Edano, Souhei Tanabe, Masami Shiratsuchi
  • Patent number: 6362208
    Abstract: The invention relates to a novel anilide compound and a pharmaceutical composition comprising the same. The invention relates to a compound represented by the following general formula: represents a divalent residue of benzene with a substituent(s), heterocycle-condensed benzene which may or may not have a substituent, pyridine which may or may not have a substituent, cyclohexane or naphthalene or Ar represents an aryl group which may or may not have a substituent; X represents —NH—, oxygen atom or sulfur atom; Y represents —NR4—, oxygen atom, sulfur atom, sulfoxide or sulfone; Z represents single bond or —NR5—; R4 represents hydrogen atom, a lower alkyl group, an aryl group or a silylated lower alkyl group which may or may not have a substituent; R5 represents hydrogen atom, a lower alkyl group, an aryl group or a silylated lower alkyl group which may or may not have a substituent; and n represents an integer of 0 to 15.
    Type: Grant
    Filed: December 6, 1999
    Date of Patent: March 26, 2002
    Assignee: Kowa Company, Ltd.
    Inventors: Kimiyuki Shibuya, Katsumi Kawamine, Yukihiro Sato, Toshiyuki Edano, Mitsuteru Hirata, Chiyoka Ozaki
  • Patent number: 6204278
    Abstract: The invention provides novel anilide compounds and pharmaceutical compositions comprising them. The invention relates to compounds of a formula: where Ar is an optionally-substituted aryl group; R4 and R5 are the same or different, and each is a hydrogen atom, a lower alkyl group, or a lower alkoxy group; and R4 and R5 may together form a lower alkylene group of which one or more methylene moieties may optionally be substituted by oxygen and/or sulfur atoms; X is —NH—, or oxygen or sulfur atom; Y is —NH—, an oxygen or sulfur atom, or a sulfoxide or sulfone group; Z is a single bond, or —NH6—; R6 represents a hydrogen atom or a lower alkylene group; and n is an integer of from 0 to 15; and their salts and solvates. The compounds of the invention are useful as pharmaceutical compositions, especially as acyl coenzyme A cholesterol acyltransferase (ACAT) inhibitors.
    Type: Grant
    Filed: May 19, 1997
    Date of Patent: March 20, 2001
    Assignee: Kowa Company, Ltd.
    Inventors: Kimiyuki Shibuya, Katsumi Kawamine, Yukihiro Sato, Toshiyuki Edano, Souhei Tanabe, Masami Shiratsuchi
  • Patent number: 5510366
    Abstract: An indole derivative represented by formula (1), ##STR1## wherein A is a group ##STR2## wherein R.sup.10 is hydrogen or lower alkyl, dotted lines may optionally be present, and R.sup.1 -R.sup.9 represents various substitutional groups. The compound (1) exhibits a positive inotropic action on cardiac muscle, an anti-arrhythmic action, and a vasodilation action without increasing the heart rate. A heart affection therapeutic agent comprising this compound as an effective component is extremely effective for treating heart failures and arrhythmia.
    Type: Grant
    Filed: October 28, 1994
    Date of Patent: April 23, 1996
    Assignee: Kowa Co., Ltd.
    Inventors: Yoshinori Kyotani, Katsumi Kawamine, Tsutomu Toma, Tadaaki Ohgiya, Takashi Yamaguchi, Kazuhiro Onogi, Seiichi Sato, Noboru Shimizu, Hiromichi Shigyo, Tomio Ohta, Toshiaki Oda, Yukihiro Okuno, Kimiyuki Shibuya, Yoshio Takahashi, Mikio Fujii, Yasumi Uchida
  • Patent number: 4886822
    Abstract: A substituted anilide derivative of the formula ##STR1## wherein R.sub.1 represents a mononuclear or binuclear heterocyclic group which contains 1 to 3 nitrogen atoms as ring members and may have a substituent.A represents a single bond, a carbonyl group, a sulfur atom, or a lower alkylene group which may be substituted by a hydroxyl group,R.sub.2 represents a hydrogen atom, a halogen atom, a lower alkyl group, a trifluoromethyl group, a lower alkenyloxy group, or a C.sub.1 -C.sub.14 alkoxy group which may have a substituent,R.sub.3 and R.sub.4 are identical or different, and each represents a hydrogen atom, a lower alkyl group, a phenyl group, or a phenyl(lower alkyl) group which may have a substitutent, or taken together, may form a saturated nitrogen-containing heterocyclic group together with the nitrogen atom to which they are bonded, andB represents a single bond or a lower alkylene group which may have a substituent,or an acid addition salt thereof.
    Type: Grant
    Filed: April 8, 1988
    Date of Patent: December 12, 1989
    Assignee: Kowa Company, Ltd.
    Inventors: Kimiyuki Shibuya, Yoshio Takahashi, Seiichi Sato, Hiromichi Shigyo, Tomio Ohta, Yasumi Uchida