Patents by Inventor Takeru Yamakawa

Takeru Yamakawa 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: 20210315892
    Abstract: A therapeutic agent for treating at least one disease selected from the group consisting of inflammatory diseases, autoimmune diseases, fibrotic diseases, and cancer diseases, comprising: at least one selected from the group consisting of a compound represented by the following general formula (1) and pharmacologically acceptable salts thereof as an active ingredient. [In the formula (1), R1 and R2 may be the same or different and each represents a hydrogen atom, a halogen atom, a hydroxyl group, a carboxy group, a cyano group, an optionally substituted C1-6 alkyl group et al.; R3 represents a hydrogen atom; R4 represents an optionally substituted 4- to 10-membered monocyclic heterocyclic group containing 1 to 4 heteroatoms selected from an oxygen atom, a nitrogen atom, and a sulfur atom; X represents a group represented by the following formula: —CH2—, —CH2—CH2—, —CH2—CH2—CH2—, or —CH2—O—CH2—; and Z represents a hydrogen atom or a hydroxyl group.
    Type: Application
    Filed: June 27, 2019
    Publication date: October 14, 2021
    Applicant: MEIJI SEIKA PHARMA CO., LTD.
    Inventors: Natsuki ISHIDA, Yuji TABATA, Takashi MATSUHIRA, Keiji TAMURA, Takeru YAMAKAWA, Satoshi ISSHIKI, Yoshinari WAKIYAMA, Shohei OUCHI
  • Patent number: 10669283
    Abstract: A compound represented by the general formula (1) below or a pharmacologically acceptable salt thereof: [In the formula (1), R1 and R2 may be the same or different and each represents a hydrogen atom, a halogen atom, a hydroxyl group, a carboxy group, a cyano group, an optionally substituted C1-6 alkyl group et al.; R3 represents a hydrogen atom; R4 represents an optionally substituted 4- to 10-membered monocyclic heterocyclic group containing 1 to 4 heteroatoms selected from an oxygen atom, a nitrogen atom, and a sulfur atom; X represents a group represented by the following formula: —CH2—, —CH2—CH2—, —CH2—CH2—CH2—, or —CH2—O—CH2—; and Z represents a hydrogen atom or a hydroxyl group].
    Type: Grant
    Filed: December 26, 2017
    Date of Patent: June 2, 2020
    Assignee: MEIJI SEIKA PHARMA CO., LTD.
    Inventors: Keiji Tamura, Takeru Yamakawa, Satoshi Isshiki, Yoshinari Wakiyama, Shohei Ouchi, Takashi Matsuhira, Natsuki Ishida, Yuji Tabata
  • Publication number: 20190322686
    Abstract: A compound represented by the general formula (1) below or a pharmacologically acceptable salt thereof: [In the formula (1), R1 and R2 may be the same or different and each represents a hydrogen atom, a halogen atom, a hydroxyl group, a carboxy group, a cyano group, an optionally substituted C1-6 alkyl group et al.; R3 represents a hydrogen atom; R4 represents an optionally substituted 4- to 10-membered monocyclic heterocyclic group containing 1 to 4 heteroatoms selected from an oxygen atom, a nitrogen atom, and a sulfur atom; X represents a group represented by the following formula: —CH2—, —CH2—CH2—, —CH2—CH2—CH2—, or —CH2—O—CH2—; and Z represents a hydrogen atom or a hydroxyl group.
    Type: Application
    Filed: December 26, 2017
    Publication date: October 24, 2019
    Applicant: MEIJI SEIKA PHARMA CO., LTD.
    Inventors: Keiji TAMURA, Takeru YAMAKAWA, Satoshi ISSHIKI, Yoshinari WAKIYAMA, Shohei OUCHI, Takashi MATSUHIRA, Natsuki ISHIDA, Yuji TABATA
  • Publication number: 20190047966
    Abstract: A compound represented by the following general formula (I) or a pharmacologically acceptable salt thereof: [in the formula (I), A1 represents a methylene group or the like; A2 represents a methylene group or an oxygen atom; A3 represents an azetidinyl group, a pyrrolidinyl group, a piperidinyl group, a piperazinyl group, or a homopiperazinyl group which is optionally substituted with —N(R1)R2, —N(R1)R3, and/or —R3; A4 represents —O—, —S—, —S(O)—, —S(O)2—, or —N(R1)—; A5 represents an optionally substituted C3-10 cycloalkylalkyl group or the like; R4 represents a halogen atom or the like; and n represents an integer of 0 or 1].
    Type: Application
    Filed: January 27, 2017
    Publication date: February 14, 2019
    Applicant: MEIJI SEIKA PHARMA CO., LTD.
    Inventors: Mami ARAI, Takeru YAMAKAWA, Rie NAKAJIMA, Kota MURASAKI, Yoshinari WAKIYAMA, Yuta FUJIWARA, Makoto ISHIKAWA, Tomohisa NINOMIYA
  • Patent number: 9890142
    Abstract: Provided is a compound represented by formula (1a) or a pharmacologically acceptable salt thereof, which can be used as a phosphodiesterase (PDE) inhibitor. R1 to R6 in the formula each independently represent an alkyl group or the like.
    Type: Grant
    Filed: July 10, 2014
    Date of Patent: February 13, 2018
    Assignee: Meiji Seika Pharma Co., Ltd.
    Inventors: Chika Kikuchi, Yuji Tabata, Takeru Yamakawa, Takashi Matsuhira, Naoko Watanabe, Natsuki Kubota, Kaori Kaneda
  • Patent number: 9850235
    Abstract: Provided is a compound represented by formula (1a) or a pharmacologically acceptable salt thereof, which can be used as a phosphodiesterase (PDE) inhibitor. R1 to R6 in the formula each independently represent an alkyl group or the like.
    Type: Grant
    Filed: July 10, 2014
    Date of Patent: December 26, 2017
    Assignee: Meiji Seika Pharma Co., Ltd.
    Inventors: Chika Kikuchi, Yuji Tabata, Takeru Yamakawa, Takashi Matsuhira, Naoko Watanabe, Natsuki Kubota, Kaori Kaneda
  • Publication number: 20160159783
    Abstract: Provided is a compound represented by formula (1a) or a pharmacologically acceptable salt thereof. However, R1 to R6 in the formula each independently represent an alkyl group or the like.
    Type: Application
    Filed: July 10, 2014
    Publication date: June 9, 2016
    Applicant: Meiji Seika Pharma Co., Ltd.
    Inventors: Chika Kikuchi, Yuji Tabata, Takeru Yamakawa, Takashi Matsuhira, Naoko Watanabe, Natsuki Kubota, Kaori Kaneda
  • Patent number: 8524730
    Abstract: The invention relates to a compound of a general formula (I): wherein A represents a linking group; Ar1 represents a group formed from an aromatic ring; R1 and R2 each independently represent a hydrogen atom, a halogen atom, a cyano group, a C2-C6 alkenyl group, a C1-C6 alkoxy group, a halo-C1-C6 alkoxy group, a cyclo-C3-C6 alkyloxy group, a C2-C7 alkanoyl group, a halo-C2-C7 alkanoyl group, a C2-C7 alkoxycarbonyl group, a halo-C2-C7 alkoxycarbonyl group, a cyclo-C3-C6 alkyloxycarbonyl group, an aralkyloxycarbonyl group, a carbamoyl-C1-C6 alkoxy group, a carboxy-C2-C6 alkenyl group, or a group of -Q1-N(Ra)-Q2-Rb; a C1-C6 alkyl group optionally having substituent(s); an aryl or heterocyclic group optionally having substituent(s); or a C1-C6 alkyl group or a C2-C6 alkenyl group having the aryl or heterocyclic group; T and U each independently represent a nitrogen atom or a methine group; and V represents an oxygen atom, a sulfur atom or an imino group.
    Type: Grant
    Filed: June 29, 2009
    Date of Patent: September 3, 2013
    Assignee: MSD K.K.
    Inventors: Hideki Jona, Yoshihiro Shibata, Takeru Yamakawa
  • Patent number: 8138197
    Abstract: The invention relates to a compound of a general formula (I): wherein Ar1 represents a group formed from an aromatic ring selected from a group consisting of benzene, pyrazole, isoxazole, pyridine, indole, 1H-indazole, 1H-furo[2,3-c]pyrazole, 1H-thieno[2,3-c]pyrazole, benzimidazole, 1,2-benzisoxazole, imidazo[1,2-a]pyridine, imidazo[1,5-a]pyridine and 1H-pyrazolo[3,4-a]pyridine, having Ar2, and optionally having one or two or more substituents selected from R3; R1 and R2 each independently represent a hydrogen atom, a halogen atom, a cyano group, a C2-C6 alkenyl group, a C1-C6 alkoxy group, a C2-C7 alkanoyl group, a C2-C7 alkoxycarbonyl group, an aralkyloxycarbonyl group, a carbamoyl-C1-C6 alkoxy group, a carboxy-C2-C6 alkenyl group, or a group of -Q1-N(Ra)-Q2-Rb; or a C1-C6 alkyl group optionally having a substituent; or an aryl or heterocyclic group optionally having a substituent; or a C1-C6 alkyl group or a C2-C6 alkenyl group having the aryl or heterocyclic group; T and U each independently represent a n
    Type: Grant
    Filed: January 8, 2008
    Date of Patent: March 20, 2012
    Assignees: MSD K.K., Merck Sharp & Dohme Corp.
    Inventors: Tomoharu Iino, Hideki Jona, Hideki Kurihara, Masayuki Nakamura, Kenji Niiyama, Jun Shibata, Tadashi Shimamura, Hitomi Watanabe, Takeru Yamakawa, Lihu Yang
  • Patent number: 8093389
    Abstract: The invention relates to a compound of a general formula (I): wherein Ar1 represents a group formed from an aromatic ring selected from a group consisting of indole, 1H-indazole, 2H-indazole, 1H-thieno[2,3-c]pyrazole, 1H-pyrazolo[3,4-b]pyridine, benzo[b]furan, benzimidazole, benzoxazole, 1,2-benzisoxazole and imidazo[1,2-a]pyridine; R1 and R2 each represent a hydrogen atom, a halogen atom, a cyano group, a C2-C6 alkenyl group, a C1-C6 alkoxy group, a halo-C1-C6 alkoxy group, a cyclo-C3-C6 alkyloxy group, a C2-C7 alkanoyl group, a halo-C2-C7 alkanoyl group, a C2-C7 alkoxycarbonyl group, a halo-C2-C7 alkoxycarbonyl group, a cyclo-C3-C6 alkyloxycarbonyl group, an aralkyloxycarbonyl group, a carbamoyl-C1-C6 alkoxy group, a carboxy-C2-C6 alkenyl group, or a group of -Q1-N(Ra)-Q2-Rb; an optionally-substituted C1-C6 alkyl, aryl or heterocyclic group; or a C1-C6 alkyl or C2-C6 alkenyl group having the aryl or heterocyclic group; R3 and R4 each represent a hydrogen atom, a halogen atom, a nitro group, a cyclo-C3-C
    Type: Grant
    Filed: January 8, 2008
    Date of Patent: January 10, 2012
    Assignees: Merck Sharp & Dohme Corp., MSD K.K.
    Inventors: Tomoharu Iino, Hideki Jona, Jun Shibata, Tadashi Shimamura, Takeru Yamakawa, Lihu Yang
  • Patent number: 7935712
    Abstract: The invention relates to a compound of a formula (I): or a pharmaceutically acceptable salt or ester thereof, useful as a therapeutic agent for various ACC-related disorders.
    Type: Grant
    Filed: July 14, 2006
    Date of Patent: May 3, 2011
    Assignees: Merck Sharp & Dohme Corp., MSD K.K.
    Inventors: Takeru Yamakawa, Hideki Jona, Kenji Niiyama, Koji Yamada, Tomoharu Iino, Mitsuru Ohkubo, Hideaki Imamura, Jun Shibata, Jun Kusunoki, Lihu Yang
  • Publication number: 20110077262
    Abstract: The invention relates to a compound of a general formula (I): wherein A represents a linking group; Ar1 represents a group formed from an aromatic ring; R1 and R2 each independently represent a hydrogen atom, a halogen atom, a cyano group, a C2-C6 alkenyl group, a C1-C6 alkoxy group, a halo-C1-C6 alkoxy group, a cyclo-C3-C6 alkyloxy group, a C2-C7 alkanoyl group, a halo-C2-C7 alkanoyl group, a C2-C7 alkoxycarbonyl group, a halo-C2-C7 alkoxycarbonyl group, a cyclo-C3-C6 alkyloxycarbonyl group, an aralkyloxycarbonyl group, a carbamoyl-C1-C6 alkoxy group, a carboxy-C2-C6 alkenyl group, or a group of -Q1-N(Ra)-Q2-Rb; a C1-C6 alkyl group optionally having substituent(s); an aryl or heterocyclic group optionally having substituent(s); or a C1-C6 alkyl group or a C2-C6 alkenyl group having the aryl or heterocyclic group; T and U each independently represent a nitrogen atom or a methine group; and V represents an oxygen atom, a sulfur atom or an imino group.
    Type: Application
    Filed: June 29, 2009
    Publication date: March 31, 2011
    Inventors: Hideki Jona, Yoshihiro Shibata, Takeru Yamakawa
  • Publication number: 20110065739
    Abstract: Disclosed is a compound represented by formula (I) or a pharmaceutically acceptable salt thereof, which has an agonistic activity on GPR120 and is therefore useful for the treatment of diabetes, obesity or hyperlipemia. [In formula (I), the A represents a phenyl group which may be substituted by a lower alkoxy group or the like; the 13 represents a bivalent group produced by removing two hydrogen atoms from a benzene ring which may be substituted by a halogen atom or the like; X represents a lower alkylene group having 2 to 4 carbon atoms in its main chain or the like, wherein a carbon atom constituting the main chain may be substituted by an oxygen atom or the like; and Y represents a hydrogen atom or the like.
    Type: Application
    Filed: May 28, 2009
    Publication date: March 17, 2011
    Inventors: Makoto Ishikawa, Tasuku Haketa, Chisato Nakama, Teruyuki Nishimura, Jun Shibata, Tadashi Shimamura, Takeru Yamakawa
  • Publication number: 20090270436
    Abstract: The invention relates to a compound of a general formula (I): wherein Ar1 represents a group formed from an aromatic ring selected from a group consisting of benzene, pyrazole, isoxazole, pyridine, indole, 1H-indazole, 1H-furo[2,3-c]pyrazole, 1H-thieno[2,3-c]pyrazole, benzimidazole, 1,2-benzisoxazole, imidazo[1,2-a]pyridine, imidazo[1,5-a]pyridine and 1H-pyrazolo[3,4-b]pyridine, having Ar2, and optionally having one or two or more substituents selected from R3: R1 and R2 each independently represent a hydrogen atom, a halogen atom, a cyano group, a C2-C6 alkenyl group, a C1-C6 alkoxy group, a C2-C7 alkanoyl group, a C2-C7 alkoxycarbonyl group, an aralkyloxycarbonyl group, a carbamoyl-C1-C6 alkoxy group, a carboxy-C2-C6 alkenyl group, or a group of -Q1-N(Ra)-Q2-Rb; or a C1-C6 alkyl group optionally having a substituent; or an aryl or heterocyclic group optionally having a substituent; or a C1-C6 alkyl group or a C2-C6 alkenyl group having the aryl or heterocyclic group; T and U each independently represent a n
    Type: Application
    Filed: January 8, 2008
    Publication date: October 29, 2009
    Inventors: Tomoharu Iino, Hideki Jona, Hideki Kurihara, Masayuki Nakamura, Kenji Niiyama, Jun Shibata, Tadashi Shimamura, Hitomi Watanabe, Takeru Yamakawa, Lihu Yang
  • Publication number: 20090131464
    Abstract: The invention relates to a compound of a formula (I): or a pharmaceutically acceptable salt or ester thereof, useful as a therapeutic agent for various ACC-related disorders.
    Type: Application
    Filed: July 14, 2006
    Publication date: May 21, 2009
    Inventors: Takeru Yamakawa, Hideki Jona, Kenji Niiyama, Koji Yamada, Tomoharu Iino, Mitsuru Ohkubo, Hideaki Imamura, Jun Shibata, Jun Kusunoki, Lihu Yang
  • Patent number: 7410976
    Abstract: The invention relates to a compound of a formula (I): or a pharmaceutically acceptable salt or ester thereof, useful as a therapeutic agent for various ACC-related disorders.
    Type: Grant
    Filed: July 14, 2006
    Date of Patent: August 12, 2008
    Assignee: Merck & Co., Inc.
    Inventors: Takeru Yamakawa, Hideki Jona, Kenji Niiyama, Koji Yamada, Tomoharu Iino, Mitsuru Ohkubo, Hideaki Imamura, Jun Shibata, Jun Kusunoki, Lihu Yang
  • Publication number: 20080171761
    Abstract: The invention relates to a compound of a general formula (I): wherein Ar1 represents a group formed from an aromatic ring selected from a group consisting of indole, 1H-indazole, 2H-indazole, 1H-thieno[2,3-c]pyrazole, 1H-pyrazolo[3,4-b]pyridine, benzo[b]furan, benzimidazole, benzoxazole, 1,2-benzisoxazole and imidazo[1,2-a]pyridine; R1 and R2 each represent a hydrogen atom, a halogen atom, a cyano group, a C2-C6 alkenyl group, a C1-C6 alkoxy group, a halo-C1-C6 alkoxy group, a cyclo-C3-C6 alkyloxy group, a C2-C7 alkanoyl group, a halo-C2-C7 alkanoyl group, a C2-C7 alkoxycarbonyl group, a halo-C2-C7 alkoxycarbonyl group, a cyclo-C3-C6 alkyloxycarbonyl group, an aralkyloxycarbonyl group, a carbamoyl-C1-C6 alkoxy group, a carboxy-C2-C6 alkenyl group, or a group of -Q1-N(Ra)-Q2-Rb; an optionally-substituted C1-C6 alkyl, aryl or heterocyclic group; or a C1-C6 alkyl or C2-C6 alkenyl group having the aryl or heterocyclic group; R3 and R4 each represent a hydrogen atom, a halogen atom, a nitro group, a cyclo-C3-C
    Type: Application
    Filed: January 8, 2008
    Publication date: July 17, 2008
    Inventors: Tomoharu Iino, Hideki Jona, Jun Shibata, Tadashi Shimamura, Takeru Yamakawa, Lihu Yang
  • Patent number: 7279490
    Abstract: This invention relates to selective m1 muscarinic agonist, their use or a formulation thereof in the treatment of glaucoma and/or other conditions which are related to elevated intraocular pressure in the eye of a patient. This invention also relates to the use of such compounds to provide a neuroprotective effect to the eye of mammalian species, particularly humans. In addition, the present invention relates to the use of the compounds in the treatment of dementia such as Alzheimer's disease and vascular dementia, depression, attention deficit disorder, sleep disorder, schizophrenia, pain, ischemia, atrophic gastritis, and atony of gastrointestinal tract.
    Type: Grant
    Filed: June 17, 2003
    Date of Patent: October 9, 2007
    Assignee: Merck & Co, Inc.
    Inventors: Miller J Ogidigben, Takeru Yamakawa, Yufu Sagara
  • Publication number: 20070021453
    Abstract: The invention relates to a compound of a formula (I): or a pharmaceutically acceptable salt or ester thereof, useful as a therapeutic agent for various ACC-related disorders.
    Type: Application
    Filed: July 14, 2006
    Publication date: January 25, 2007
    Inventors: Takeru Yamakawa, Hideki Jona, Kenji Niiyama, Koji Yamada, Tomoharu Iino, Mitsuru Ohkubo, Hideaki Imamura, Jun Shibata, Jun Kusunoki, Lihu Yang
  • Patent number: 7164024
    Abstract: This invention relates to benzimidazolone derivatives, represented by compounds of a general formula [I] [in which R1 and R2 stand for, e.g., hydrogen atoms; R3a, R3b, R4, R5 stand for, e.g., hydrogen atoms and alkyl groups; R6 stands for e.g., aryl or heteroaryl groups; A ring stands for 5- to 8-membered aliphatic heterocyclic ring containing one nitrogen atom; and Z stands for carbonyl group or sulfonyl group]. The benzimidazolone derivatives of the invention exhibit antagonism to muscarinic acetylcholine receptors, and are useful as treating agent and/or prophylactic of Parkinson's disease, drug-induced parkinsonism, dystonia, akinesia, pancreatitis, bilestone/cholecystitis, biliary dyskinesia, achalasia, pain, itch, cholinergic urticaria, irritable bowel syndrome, vomiting, nausea, dizziness, Meniere's disease, motion sickness and urinary disturbance.
    Type: Grant
    Filed: April 19, 2002
    Date of Patent: January 16, 2007
    Assignee: Banyu Pharmaceutical Co., Ltd.
    Inventors: Takeru Yamakawa, Yoshio Ogino, Yufu Sagara, Kenji Matsuda, Akira Naya, Toshifumi Kimura, Norikazu Otake