Patents by Inventor Chikara Uchida

Chikara Uchida 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: 20050277673
    Abstract: This invention relates to compounds of the formula (I): wherein R1, R2, R3, A and m are each as described herein or a pharmaceutically acceptable salt or solvate thereof, and compositions containing such compounds and the use of such compounds in the treatment of a condition mediated by 5-HT4 receptor activity such as, but not limited to, gastroesophageal reflux disease, gastrointestinal disease, gastric motility disorder, non-ulcer dyspepsia, functional dyspepsia, irritable bowel syndrome (IBS), constipation, dyspepsia, esophagitis, gastroesophageral disease, nausea, central nervous system disease, Alzheimer's disease, cognitive disorder, emesis, migraine, neurological disease, pain, cardiovascular disorders such as cardiac failure and heart arrhythmia, diabetes and apnea syndrome.
    Type: Application
    Filed: June 14, 2005
    Publication date: December 15, 2005
    Inventors: Koji Ando, Satoru Iguchi, Noriaki Murase, Yoshinori Murata, Toyoharu Numata, Hiroki Sone, Chikara Uchida, Tatsuo Ueki
  • Publication number: 20050277672
    Abstract: This invention relates to compounds of the formula (I): wherein R1, R2, R3, A and m are each as described herein or a pharmaceutically acceptable salt or solvate thereof, and compositions containing such compounds and the use of such compounds in the treatment of a condition mediated by 5-HT4 receptor activity such as, but not limited to, gastroesophageal reflux disease, gastrointestinal disease, gastric motility disorder, non-ulcer dyspepsia, functional dyspepsia, irritable bowel syndrome (IBS), constipation, dyspepsia, esophagitis, gastroesophageral disease, nausea, central nervous system disease, Alzheimer's disease, cognitive disorder, emesis, migraine, neurological disease, pain, cardiovascular disorders such as cardiac failure and heart arrhythmia, diabetes and apnea syndrome.
    Type: Application
    Filed: June 14, 2005
    Publication date: December 15, 2005
    Inventors: Koji Ando, Satoru Iguchi, Noriaki Murase, Yoshinori Murata, Toyoharu Numata, Hiroki Sone, Chikara Uchida, Tatsuo Ueki
  • Patent number: 6951867
    Abstract: This invention provides a compound of the formula (I): or a pharmaceutically acceptable salt, amide or ester thereof, wherein R1 represents a hydrogen atom or a halogen atom; R2 represents a hydrogen atom, etc.; R3 represents an alkyl group having from 1 to 10 carbon atoms; said alkyl group of R3 is substituted by at least one substituent selected from the group consisting of substituents ?; said substituents ? is aryl, hydroxy, oxo, etc.
    Type: Grant
    Filed: September 17, 2003
    Date of Patent: October 4, 2005
    Assignee: Pfizer Inc.
    Inventors: Yasuhiro Katsu, Kana Kon-I, Mikio Morita, Hirohide Noguchi, Chikara Uchida
  • Publication number: 20050148573
    Abstract: This invention provides a compound of the formula (I): or a pharmaceutically acceptable salt thereof, and compositions containing such compounds and the use of such compounds for the manufacture of medicament for gastroesophageal reflux disease, gastrointestinal disease, gastric motility disorder, non-ulcer dyspepsia, functional dyspepsia, irritable bowel syndrome (IBS), constipation, dyspepsia, esophagitis, gastroesophageral disease, nausea, central nervous system disease, Alzheimer's disease, cognitive disorder, emesis, migraine, neurological disease, pain, cardiovascular disorders, cardiac failure, heart arrhythmia, diabetes and apnea syndrome. These compounds have 5-HT4 receptor agonistic activity, and thus are useful for the treatment of gastroesophageal reflux disease, non-ulcer dyspepsia, functional dyspepsia, irritable bowel syndrome or the like in mammalian, especially humans.
    Type: Application
    Filed: September 2, 2004
    Publication date: July 7, 2005
    Inventors: Yasuhiro Katsu, Satoru Iguchi, Hiroki Sone, Chikara Uchida, Takashi Kojima
  • Publication number: 20040266814
    Abstract: This invention provides a compound of the formula (I): 1
    Type: Application
    Filed: April 20, 2004
    Publication date: December 30, 2004
    Applicant: Pfizer Inc
    Inventors: Hirohide Noguchi, Chikara Uchida
  • Publication number: 20040127514
    Abstract: This invention provides a compound of the formula (I): 1
    Type: Application
    Filed: September 17, 2003
    Publication date: July 1, 2004
    Applicant: Pfizer Inc
    Inventors: Yasuhiro Katsu, Kana Kon-I, Mikio Morita, Hirohide Noguchi, Chikara Uchida
  • Publication number: 20040122043
    Abstract: This invention provides a compound of the formula (I): 1
    Type: Application
    Filed: September 17, 2003
    Publication date: June 24, 2004
    Applicant: Pfizer Inc
    Inventors: Satoru Iguchi, Yasuhiro Katsu, Kana Kon-I, Hirohide Noguchi, Chikara Uchida
  • Publication number: 20040034226
    Abstract: This invention provides a compound of the formula (I): 1
    Type: Application
    Filed: July 10, 2003
    Publication date: February 19, 2004
    Inventors: Chikara Uchida, Hirohide Noguchi, Alan Stobie, Geoffrey Gymer, David Fenwick
  • Patent number: 6686373
    Abstract: This invention provides a compound of the formula (I): or the pharmaceutically acceptable salts thereof wherein the dashed lines represent optional double bonds; C1, C2, C3 and C4 are carbon atom; R1 is C1-4 alkyl; R2 is H, amino, etc.; R3 is H, halo-CH2—, C2-8 alkyl or Q1-, wherein said C2-8 alkyl is optionally substituted with up to 3 substituents selected from halo, C1-3 alkyl, R4(R5)N, etc.; R4 is H, C1-7 alkyl, etc.; R5 is H, C1-7alkyl, etc.; R6 and R7 are independently selected from H and C1-4 alkyl; R8 is aryl or heteroaryl; Q1 is a 4-12 membered monocyclic or bicyclic aromatic, partially saturated or fully saturated ring optionally containing up to 4 heteroatoms selected from O, N and S, and is optionally substituted with halo, C1-4 alkyl, etc.; Y5, Y6, Y7 and Y8 are hydrogen; Y1, Y2, Y3 and Y4 are independently selected from hydrogen, halo, etc.
    Type: Grant
    Filed: July 9, 2002
    Date of Patent: February 3, 2004
    Assignee: Warner-Lambert Company LLC
    Inventors: Kiyoshi Kawamura, Sachiko Mihara, Seiji Nukui, Chikara Uchida
  • Publication number: 20030236258
    Abstract: The present invention relates to compounds of the formula 1
    Type: Application
    Filed: January 14, 2003
    Publication date: December 25, 2003
    Applicant: Pfizer Inc.
    Inventors: Kristin M. Lundy, Hengmiao Cheng, Subas M. Sakya, Jin Li, Martha L. Minich, Chikara Uchida
  • Publication number: 20030207875
    Abstract: This invention provides compounds of the formula (I) and (II): 1
    Type: Application
    Filed: January 7, 2003
    Publication date: November 6, 2003
    Inventors: Geoffrey Gymer, Kiyoshi Kawamura, Sachiko Mihara, Mikio Morita, Alan Stobie, Chikara Uchida, Seiji Nukui
  • Patent number: 6624162
    Abstract: This invention provides a compound of the formula (I): or the pharmaceutically acceptable salts thereof wherein R1 is hydrogen, halo or alkyl; R2 and R3 are independently hydrogen, alkyl, alkenyl, alkynyl, aminoalkyl or hydroxyalkyl; or R2 and R3 taken together with the nitrogen atom to which they are attached may form hetrocyclic; R4 is hydrogen, halo, acyl, amino, amido, aryl, arylalkyl, or heteroaryl; R5 is hydrogen, halo, alkyl alkenyl, alkynyl, acyl, amino, amido, aryl, arylalkyl, or heteroaryl; R6 is hydrogen, alkyl or alkoxyalkyl; X is NR9 wherein R9 is hydrogen or alkyl; and Y is (CR7R8)n wherein n is an integer from 0 to 5. These compounds have 5-HT4 receptor binding activity, and thus are useful for the treatment of gastroesophageal reflux disease, non-ulcer dyspepsia, Functional dyspepsia, irritable bowel syndrome or the like in mammalian, especially humans. This invention also provides a pharmaceutical composition comprising the above compound.
    Type: Grant
    Filed: September 20, 2002
    Date of Patent: September 23, 2003
    Assignee: Pfizer Inc.
    Inventors: Chikara Uchida, Hirohide Noguchi, Alan Stobie, Geoffrey Gymer, David Fenwick
  • Patent number: 6608070
    Abstract: This invention provides a compound of the following formula: or the pharmaceutically acceptable salts thereof wherein Z is OH, C1-6 alkoxy, —NR2R3 or heterocycle; Q is selected from the following: (a) an optionally substituted phenyl, (b) an optionally substituted 6-membered monocyclic aromatic group containing one, two, three or four nitrogen atom(s), (c) an optionally substituted 5-membered monocyclic aromatic group containing one heteroatom selected from O, S and N and optionally containing one, two or three nitrogen atom(s) in addition to said heteroatom, (d) an optionally substituted C3-7 cycloalkyl and (e) an optionally substituted benzo-fuzed heterocycle; R1 is hydrogen, C1-4 alkyl or halo; R2 and R3 are independently hydrogen, OH, C1-4 alkoxy, C1-4 alkyl or C1-4 alkyl substituted with halo, OH, C1-4 alkoxy or CN; X is independently selected from H, halo, C1-4 alkyl, halo-substituted C1-4 alkyl, OH, C1-4 alkoxy, halo-substituted C1-4 alkoxy, C1-4 alkylthio, NO2, NH2, di-(C1-4 al
    Type: Grant
    Filed: July 28, 1999
    Date of Patent: August 19, 2003
    Inventors: Kazunari Nakao, Rodney William Stevens, Kiyoshi Kawamura, Chikara Uchida, Hiroki Koike, Stephane Caron
  • Publication number: 20030130277
    Abstract: This invention provides a compound of the formula (I): 1
    Type: Application
    Filed: July 9, 2002
    Publication date: July 10, 2003
    Inventors: Kiyoshi Kawamura, Sachiko Mihara, Seiji Nukui, Chikara Uchida
  • Publication number: 20030092699
    Abstract: This invention provides a compound of the formula (I): 1
    Type: Application
    Filed: September 20, 2002
    Publication date: May 15, 2003
    Inventors: Chikara Uchida, Hirohide Noguchi, Alan Stobie, Geoffrey Gymer, David Fenwick
  • Patent number: 6531492
    Abstract: The present invention relates to compounds of the formula wherein R2, R3, R6 and A are defined as in the specification, to pharmaceutical compositions containing them and to their medicinal use. The compounds of the invention are useful in the treatment or alleviation of inflammation and other inflammation associated disorders, such as osteoarthritis, rheumatoid arthritis, colon cancer and Alzheimer's disease, in mammals (preferably humans, dogs, cats and livestock).
    Type: Grant
    Filed: November 28, 2000
    Date of Patent: March 11, 2003
    Assignee: Pfizer Inc.
    Inventors: Kristin M. Lundy, Hengmiao Cheng, Subas M. Sakya, Jin Li, Martha L. Minich, Chikara Uchida
  • Patent number: 6300363
    Abstract: This invention provides a compound of the following formula: and the pharmaceutically acceptable salts thereof, wherein L is oxygen or sulfur; Y is a direct bond or C1-4 alkylidene; Q is C1-6 alkyl, C3-7 cycloalkyl, phenyl, naphthyl, heteroaryl or the like; R1 is hydrogen, C1-6 alkyl or the like; R2 is hydrogen, C1-4 alkyl, C(O)R5 wherein R5 is C1-22 alkyl or C2-22 alkenyl, halosubstituted C1-8 alkyl, halosubstituted C2-8alkenyl, —Y—C3-7 cycloalkyl, —Y—C3-7 cycloalkenyl, phenyl, naphthyl, heteroaryl or the like; X is halo, C1-4 alkyl, hydroxy, C1-4 alkoxy or the like; and n is 0, 1, 2 or 3, with the proviso that a group of formula —Y—Q is not methyl or ethyl when X is hydrogen; L is oxygen; R1 is hydrogen; and R2 is acetyl. This invention also provides a pharmaceutical composition useful for the treatment of a medical condition in which prostaglandins are implicated as pathogens.
    Type: Grant
    Filed: December 3, 1999
    Date of Patent: October 9, 2001
    Assignee: Pfizer Inc.
    Inventors: Rodney William Stevens, Kasumari Nakao, Kiyoshi Kawamura, Chikara Uchida, Shinya Fujiwara
  • Patent number: 6277878
    Abstract: This invention provides a compound of the following formula: or the pharmaceutically acceptable salts thereof wherein R1 is H or C1-4 alkyl; R2 is C(═L′)R3 or So2R4; Y is a direct bond or C1-4 alkylene; L and L′ are independently oxygen or sulfur; Q is selected from the following: C1-6 alkyl, halo-substituted C1-4 alkyl, optionally substituted C3-7 cycloalkyl, optionally substituted phenyl or naphthyl, optionally substituted 5 or 6-membered monocyclic aromatic group; R3 is —OR6, —NR7R8, N(OR1)R7 or a group of formula: Z is a direct bond, O, S or NR5; R4 is C1-6 alkyl, halo-substituted C1-4 alkyl, optionally substituted phenyl or naphthyl; R5 is C1-4 alkyl or halo-substituted C1-4 alkyl; R6 is C1-4 alkyl C3-7 cycloalkyl, C1-4 alkyl-C3-7 cycloalkyl, halo-substituted C1-4 alkyl, optionally substituted C1-4 alkyl-phenyl or phenyl; R7 and R8 are each selected from the following: H, optionally substituted C1-6 alkyl, optionally substituted C3-7 cyclo
    Type: Grant
    Filed: August 26, 1999
    Date of Patent: August 21, 2001
    Assignee: Pfizer Inc
    Inventors: Kazunari Nakao, Rodney W. Stevens, Kiyoshi Kawamura, Chikara Uchida
  • Patent number: 5684026
    Abstract: The present invention provides aminocyclopentane derivatives which are saccharide analogs having extremely high .alpha.-glucosidase inhibitory effects and novel structures and expected to be usable or applicable to drugs or agricultural chemicals. An aminocyclopentane derivative represented by the formula (1), wherein R.sub.1 represents H while R.sub.2 represents CH.sub.2 OH, or R.sub.1 represents CH.sub.2 OH while R.sub.2 represents H and R.sub.3 represents a substituted or unsubstituted aryl group or an alkyl, alkenyl, alkynyl or hydroxyalkyl group having 1 to 10 carbon atoms, intermediates for the synthesis of the same, a process for producing the intermediates and a process for producing the aminocyclopentane derivative.
    Type: Grant
    Filed: November 22, 1995
    Date of Patent: November 4, 1997
    Assignee: Seikagaku Kogyo Kabushiki Kaisha (Seikagaku Corporation)
    Inventors: Seiichiro Ogawa, Chikara Uchida, Hiroshi Kimura, Jin-ichi Inokuchi