Patents by Inventor Naohiro Kawamura

Naohiro Kawamura 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: 20230077099
    Abstract: [Problem to be Solved] Provided is a nursery pot body having stability over time, exhibiting suppressed decomposition during seedling raising, maintaining sufficient strength at the time of planting, and being rapidly degraded after planting in a field through enzyme treatment immediately before and/or immediately after planting. [Solution] Base paper for a nursery pot body is characterized in that a biodegradable resin layer is provided on at least one surface of a paper substrate, wherein the biodegradable resin layer contains at least 15 mass % of a polylactic acid relative to 100 mass % of a biodegradable resin composition, and a nursery pot body is produced by molding the base paper.
    Type: Application
    Filed: February 3, 2021
    Publication date: March 9, 2023
    Inventors: Takuya NAKAGAWA, Yasuomi OTA, Naohiro KAWAMURA, Tokuya SASAKI, Hiroko KITAMOTO, Michinori NAKAMOTO
  • Patent number: 9458092
    Abstract: The present invention is to provide a novel ?-substituted glycinamide derivative, or a pharmaceutically acceptable salt thereof, a pharmaceutical composition comprising the same, and a pharmaceutical use thereof. The present invention provides a compound represented by the general formula (I), which has TRPM8 inhibitory effects: [wherein A1 represents a C6-10 aryl and the like, A2 represents a C6-10 aryl and the like, X represents CH and the like, Y represents —CR1R2— and the like, R1 and R2 independently represent a hydrogen atom and the like, R3 and R4 independently represent a halogen atom and the like, n is 1 or 2], or a pharmaceutically acceptable salt thereof. Furthermore, the compound (I) of the present invention can be used as an agent for treating or preventing diseases or symptoms caused by hyperexcitability or disorder of afferent neurons.
    Type: Grant
    Filed: May 7, 2014
    Date of Patent: October 4, 2016
    Assignee: KISSEI PHARMACEUTICAL CO., LTD.
    Inventors: Hideaki Hirasawa, Naohiro Kawamura, Junichi Kobayashi
  • Publication number: 20160115119
    Abstract: The present invention is to provide a novel ?-substituted glycinamide derivative, or a pharmaceutically acceptable salt thereof, a pharmaceutical composition comprising the same, and a pharmaceutical use thereof. The present invention provides a compound represented by the general formula (I), which has TRPM8 inhibitory effects: [wherein A1 represents a C6-10 aryl and the like, A2 represents a C6-10 aryl and the like, X represents CH and the like, Y represents —CR1R2— and the like, R1 and R2 independently represent a hydrogen atom and the like, R3 and R4 independently represent a halogen atom and the like, n is 1 or 2], or a pharmaceutically acceptable salt thereof. Furthermore, the compound (I) of the present invention can be used as an agent for treating or preventing diseases or symptoms caused by hyperexcitability or disorder of afferent neurons.
    Type: Application
    Filed: May 7, 2014
    Publication date: April 28, 2016
    Applicant: KISSEI PHARMACEUTICAL CO., LTD.
    Inventors: Hideaki HIRASAWA, Naohiro KAWAMURA, Junichi KOBAYASHI
  • Patent number: 8815903
    Abstract: The present invention provides a compound represented by the general formula (I) of the present invention, which has EP1 receptor antagonism: wherein A represents a benzene ring, a pyridine ring, or the like; Y1 represents a C1-6 alkylene group or the like; Y2 represents a single bond or the like; Z represents —C(?O)—NHSO2R6, an acidic 5-membered hetero ring group, or the like; R1 represents a hydrogen atom or the like; R2 represents a phenyl group, a 5-membered aromatic heterocyclic group, or the like; R3 represents a halogen atom, a C1-6 alkoxy group, or the like; R4 represents a hydrogen atom, a halogen atom, or the like; R5 represents a hydrogen atom or the like; and R6 represents a C1-6 alkyl group or the like], or a pharmaceutically acceptable salt thereof. Furthermore, the compound (I) of the present invention can be used as an agent for treating or preventing LUTS, in particular, various symptoms of OABs.
    Type: Grant
    Filed: January 24, 2012
    Date of Patent: August 26, 2014
    Assignees: Kissei Pharmaceutical Co., Ltd., Kyorin Pharmaceutical Co., Ltd.
    Inventors: Kazuya Tatani, Atsushi Kondo, Tatsuhiro Kondo, Naohiro Kawamura, Shigeki Seto, Yasushi Kohno
  • Patent number: 8796247
    Abstract: The present invention provides a compound represented by the general formula (I) of the present invention, which has EP1 receptor antagonism: wherein A represents a pyridine ring, a furan ring, or the like; Y1 represents a C1-6 alkylene group; Y2 represents a single bond or the like; R1 represents —C(?O)—NH—SO2R6, an acidic 5-membered hetero ring group, or the like; R2 represents an optionally substituted phenyl group, an optionally substituted 5-membered aromatic heterocyclic group, or the like; R3 represents a halogen atom, a C1-6 alkoxy group, or the like; R4 represents a hydrogen atom, a halogen atom, or the like; R5 represents a hydrogen atom or the like; and R6 represents a C1-6 alkyl group or the like], and a pharmaceutically acceptable salt thereof. Furthermore, the compound (I) of the present invention can be used as an agent for treating or preventing LUTS, in particular, various symptoms of OABs.
    Type: Grant
    Filed: January 24, 2012
    Date of Patent: August 5, 2014
    Assignees: Kissei Pharmaceutical Co., Ltd., Kyorin Pharmaceutical Co., Ltd.
    Inventors: Kazuya Tatani, Atsushi Kondo, Tatsuhiro Kondo, Naohiro Kawamura, Shigeki Seto, Yasushi Kohno
  • Patent number: 8680120
    Abstract: A compound (I) of the present invention, which has an EP1 receptor antagonism: [wherein A represents a benzene ring or the like; Y1 represents a C1-6 alkylene group; Y2 represents a single bond or the like; R1 represents a hydrogen atom, a C1-6 alkyl group or the like; R2 represents a phenyl group which may have a substituent, a 5-membered aromatic heterocyclic ring which may have a substituent, a 6-membered aromatic heterocyclic ring which may have a substituent or the like; R3 represents a halogen atom, a C1-6 alkoxy group or the like; R4 represents a hydrogen atom or the like; and R5 represents a hydrogen atom or the like] or a pharmaceutically acceptable salt thereof is provided. Furthermore, the compound (I) of the present invention can be used as an agent for treating or preventing LUTS, in particular, various symptoms of OABs.
    Type: Grant
    Filed: July 26, 2010
    Date of Patent: March 25, 2014
    Assignee: Kissei Pharmaceutical Co., Ltd.
    Inventors: Kazuya Tatani, Naohiro Kawamura, Tatsuhiro Kondo, Atsushi Kondo
  • Publication number: 20140018335
    Abstract: The present invention provides a compound represented by the general formula (I) of the present invention, which has EP1 receptor antagonism: wherein A represents a pyridine ring, a furan ring, or the like; Y1 represents a C1-6 alkylene group; Y2 represents a single bond or the like; R1 represents —C(?O)—NH—SO2R6, an acidic 5-membered hetero ring group, or the like; R2 represents an optionally substituted phenyl group, an optionally substituted 5-membered aromatic heterocyclic group, or the like; R3 represents a halogen atom, a C1-6 alkoxy group, or the like; R4 represents a hydrogen atom, a halogen atom, or the like; R5 represents a hydrogen atom or the like; and R6 represents a C1-6 alkyl group or the like], and a pharmaceutically acceptable salt thereof. Furthermore, the compound (I) of the present invention can be used as an agent for treating or preventing LUTS, in particular, various symptoms of OABs.
    Type: Application
    Filed: January 24, 2012
    Publication date: January 16, 2014
    Applicant: Kissei Pharmaceutical Co., Ltd.
    Inventors: Kazuya Tatani, Atsushi Kondo, Tatsuhiro Kondo, Naohiro Kawamura, Shigeki Seto, Yasushi Kohno
  • Publication number: 20130331378
    Abstract: A pyrazolopyridine derivative represented by the following formula (I) or a pharmacologically acceptable salt thereof exhibits a strong EP1 receptor antagonistic effect. Thus, the derivative or the pharmacologically acceptable salt is useful as a therapeutic agent for lower urinary tract symptoms (LUTS), particularly, overactive bladder syndrome (OABs), or a prophylactic agent therefor and furthermore, is also useful in the treatment, prevention, or suppression of various pathological conditions in which the EP1 receptor is involved, such as inflammatory disease, pain disease, osteoporosis, and cancer. [A is a benzene ring or the like, Y1 is C1-6 alkylene, R1 is —C(?O)—OZ1 or the like, Z1 is H or the like, R2 is a branched C3-6 alkyl group or the like, R3 is H or the like, R4 is a hydrogen atom or the like, and R5 is a hydrogen atom or the like].
    Type: Application
    Filed: January 25, 2012
    Publication date: December 12, 2013
    Applicants: KISSEI PHARMACEUTICAL CO., LTD., KYORIN PHARMACEUTICAL CO., LTD.
    Inventors: Shigeki Seto, Kentaro Umei, Yosuke Nishigaya, Asao Tanioka, Tatsuhiro Kondo, Atsushi Kondo, Kazuya Tatani, Naohiro Kawamura
  • Publication number: 20130317065
    Abstract: The present invention provides a compound represented by the general formula (I) of the present invention, which has EP1 receptor antagonism: wherein A represents a benzene ring, a pyridine ring, or the like; Y1 represents a C1-6 alkylene group or the like; Y2 represents a single bond or the like; Z represents —C(?O)—NHSO2R6, an acidic 5-membered hetero ring group, or the like; R1 represents a hydrogen atom or the like; R2 represents a phenyl group, a 5-membered aromatic heterocyclic group, or the like; R3 represents a halogen atom, a C1-6 alkoxy group, or the like; R4 represents a hydrogen atom, a halogen atom, or the like; R5 represents a hydrogen atom or the like; and R6 represents a C1-6 alkyl group or the like], or a pharmaceutically acceptable salt thereof. Furthermore, the compound (I) of the present invention can be used as an agent for treating or preventing LUTS, in particular, various symptoms of OABs.
    Type: Application
    Filed: January 24, 2012
    Publication date: November 28, 2013
    Inventors: Kazuya Tatani, Atsushi Kondo, Tatsuhiro Kondo, Naohiro Kawamura, Shigeki Seto, Yasushi Kohno
  • Publication number: 20120129890
    Abstract: A compound (I) of the present invention, which has an EP1 receptor antagonism: [wherein A represents a benzene ring or the like; Y1 represents a C1-6 alkylene group; Y2 represents a single bond or the like; R1 represents a hydrogen atom, a C1-6 alkyl group or the like; R2 represents a phenyl group which may have a substituent, a 5-membered aromatic heterocyclic ring which may have a substituent, a 6-membered aromatic heterocyclic ring which may have a substituent or the like; R3 represents a halogen atom, a C1-6 alkoxy group or the like; R4 represents a hydrogen atom or the like; and R5 represents a hydrogen atom or the like] or a pharmaceutically acceptable salt thereof is provided. Furthermore, the compound (I) of the present invention can be used as an agent for treating or preventing LUTS, in particular, various symptoms of OABs.
    Type: Application
    Filed: July 26, 2010
    Publication date: May 24, 2012
    Applicant: KISSEI PHARMACEUTICAL CO., LTD.
    Inventors: Kazuya Tatani, Naohiro Kawamura, Tatsuhiro Kondo, Atsushi Kondo
  • Publication number: 20120122931
    Abstract: A compound represented by the general formula (I) of the present invention, which has an EP1 receptor antagonism: [wherein A represents a benzene ring or the like; Y represents a C1-6 alkylene group or the like; RN represents a hydrogen atom or a C1-6 alkyl group; R1 represents a hydrogen atom, a C1-6 alkyl group or the like; R2 represents a phenyl group which may have a substituent, a 5-membered aromatic heterocyclic group which may have a substituent, a 6-membered aromatic heterocyclic group which may have a substituent or the like; R3 represents a halogen atom, a C1-6 alkoxy group or the like; R4 represents a hydrogen atom or the like; and R5 represents a hydrogen atom or the like] or a pharmaceutically acceptable salt thereof is provided. Furthermore, the compound (I) of the present invention can be used as an agent for treating or preventing LUTS, in particular, various symptoms of OABs.
    Type: Application
    Filed: July 26, 2010
    Publication date: May 17, 2012
    Applicant: KISSEI PHARMACEUTICAL CO., LTD.
    Inventors: Tatsuhiro Kondo, Atsushi Kondo, Kazuya Tatani, Naohiro Kawamura