Patents by Inventor Eiji Okanari

Eiji Okanari 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: 10597375
    Abstract: A novel ?-halogen-substituted thiophene compound or a pharmacologically acceptable salt thereof, which has a potent LPA receptor-antagonist activity and is useful as a medicament is provided. A compound represented by the general formula (I) wherein A represents, a phenyl ring, a thiophene ring, or an isothiazole ring; R1 is the same or different, and represents a halogen atom, or a C1-C3 alkyl group; R2 represents a hydrogen atom, or a C1-C6 alkyl group; p represents an integer of 0 to 5; V represents CR3 wherein R3 represents a hydrogen atom, an amino group, a nitro group, or a C1-C3 alkoxy group, or V represents a nitrogen atom; and X represents a halogen atom, or a salt thereof.
    Type: Grant
    Filed: May 8, 2018
    Date of Patent: March 24, 2020
    Assignee: UBE INDUSTRIES, LTD.
    Inventors: Noriaki Iwase, Hiroshi Nishida, Makoto Okudo, Masaaki Ito, Shigeyuki Kono, Masaaki Matoyama, Shigeru Ushiyama, Eiji Okanari, Hirofumi Matsunaga, Kenji Nishikawa, Tomio Kimura
  • Publication number: 20180360803
    Abstract: The present invention provides the pharmaceutical use of LPA1 antagonists, for example, ?-halogenated thiophene compounds having a specific structure or pharmacologically acceptable salts thereof, as drugs for the treatment and/or prevention of NASH. A pharmaceutical composition for the treatment and/or prevention of NASH includes, as an active ingredient, an LPA1 antagonist, for example, a compound represented by the general formula (I): wherein R1 is a hydrogen atom or a methoxy group, R2 is a hydrogen atom or a C1-C6 alkyl group, X is a halogen atom, and A is a group selected from the group consisting of groups: , or a pharmacologically acceptable salt thereof.
    Type: Application
    Filed: November 18, 2016
    Publication date: December 20, 2018
    Applicant: UBE INDUSTRIES, LTD.
    Inventors: Kenji NISHIKAWA, Hirofumi MATSUNAGA, Yuuko SHINOHARA, Eiji OKANARI, Shigeru USHIYAMA, Shinpei NONOUCHI
  • Publication number: 20180258062
    Abstract: A novel ?-halogen-substituted thiophene compound or a pharmacologically acceptable salt thereof, which has a potent LPA receptor-antagonist activity and is useful as a medicament is provided. A compound represented by the general formula (I) wherein A represents, a phenyl ring, a thiophene ring, or an isothiazole ring; R1 is the same or different, and represents a halogen atom, or a C1-C3 alkyl group; R2 represents a hydrogen atom, or a C1-C6 alkyl group; p represents an integer of 0 to 5; V represents CR3 wherein R3 represents a hydrogen atom, an amino group, a nitro group, or a C1-C3 alkoxy group, or V represents a nitrogen atom; and X represents a halogen atom, or a salt thereof.
    Type: Application
    Filed: May 8, 2018
    Publication date: September 13, 2018
    Applicant: UBE INDUSTRIES, LTD.
    Inventors: Noriaki IWASE, Hiroshi NISHIDA, Makoto OKUDO, Masaaki ITO, Shigeyuki KONO, Masaaki MATOYAMA, Shigeru USHIYAMA, Eiji OKANARI, Hirofumi MATSUNAGA, Kenji NISHIKAWA, Tomio KIMURA
  • Patent number: 10023554
    Abstract: The invention provides a novel ?-halogen-substituted thiophene compound salt that has a potent LPA receptor antagonistic action and is useful as a medicament. The salt is represented by the general formula (I): (wherein R is a hydrogen atom or a methoxy group; X is a halogen atom; A is selected from the group consisting of: M is an alkali metal or an alkaline earth metal; and n is 1 when M is an alkali metal and is 2 when M is an alkaline earth metal).
    Type: Grant
    Filed: June 26, 2015
    Date of Patent: July 17, 2018
    Assignee: UBE INDUSTRIES, LTD.
    Inventors: Noriaki Iwase, Hiroshi Nishida, Makoto Okudo, Masaaki Ito, Shigeyuki Kono, Masaaki Matoyama, Shigeru Ushiyama, Eiji Okanari, Hirofumi Matsunaga, Kenji Nishikawa, Tomio Kimura
  • Patent number: 10000463
    Abstract: A novel ?-halogen-substituted thiophene compound or a pharmacologically acceptable salt thereof, which has a potent LPA receptor-antagonist activity and is useful as a medicament is provided.
    Type: Grant
    Filed: June 26, 2015
    Date of Patent: June 19, 2018
    Assignee: UBE INDUSTRIES, LTD.
    Inventors: Noriaki Iwase, Hiroshi Nishida, Makoto Okudo, Masaaki Ito, Shigeyuki Kono, Masaaki Matoyama, Shigeru Ushiyama, Eiji Okanari, Hirofumi Matsunaga, Kenji Nishikawa, Tomio Kimura
  • Publication number: 20170158663
    Abstract: The invention provides a novel ?-halogen-substituted thiophene compound salt that has a potent LPA receptor antagonistic action and is useful as a medicament. The salt is represented by the general formula (I): (wherein R is a hydrogen atom or a methoxy group; X is a halogen atom; A is selected from the group consisting of: ;M is an alkali metal or an alkaline earth metal; and n is 1 when M is an alkali metal and is 2 when M is an alkaline earth metal).
    Type: Application
    Filed: June 26, 2015
    Publication date: June 8, 2017
    Applicant: UBE INDUSTRIES, LTD.
    Inventors: Noriaki IWASE, Hiroshi NISHIDA, Makoto OKUDO, Masaaki ITO, Shigeyuki KONO, Masaaki MATOYAMA, Shigeru USHIYAMA, Eiji OKANARI, Hirofumi MATSUNAGA, Kenji NISHIKAWA, Tomio KIMURA
  • Publication number: 20150376160
    Abstract: A novel ?-halogen-substituted thiophene compound or a pharmacologically acceptable salt thereof, which has a potent LPA receptor-antagonist activity and is useful as a medicament is provided. A compound represented by the general formula (I) wherein A represents, a phenyl ring, a thiophene ring, or an isothiazole ring; R1 is the same or different, and represents a halogen atom, or a C1-C3 alkyl group; R2 represents a hydrogen atom, or a C1-C6 alkyl group; p represents an integer of 0 to 5; V represents CR3 wherein R3 represents a hydrogen atom, an amino group, a nitro group, or a C1-C3 alkoxy group, or V represents a nitrogen atom; and X represents a halogen atom, or a salt thereof.
    Type: Application
    Filed: June 26, 2015
    Publication date: December 31, 2015
    Applicant: UBE INDUSTRIES, LTD.
    Inventors: Noriaki IWASE, Hiroshi NISHIDA, Makoto OKUDO, Masaaki ITO, Shigeyuki KONO, Masaaki MATOYAMA, Shigeru USHIYAMA, Eiji OKANARI, Hirofumi MATSUNAGA, Kenji NISHIKAWA, Tomio KIMURA
  • Publication number: 20140113907
    Abstract: The present invention provides a pyridylaminoacetic acid compound represented by the following formula (1): (wherein R1, R2, R3, Y and Z are as defined in the description and claims), or a pharmacologically acceptable salt thereof. Since the pyridylaminoacetic acid compound has EP2 agonistic action, it is useful as a therapeutic or prophylactic drug for respiratory diseases such as asthma or chronic obstructive pulmonary disease.
    Type: Application
    Filed: December 16, 2013
    Publication date: April 24, 2014
    Applicant: UBE INDUSTRIES, LTD.
    Inventors: Ryo IWAMURA, Masayuki TANAKA, Tetsushi KATSUBE, Manabu SHIGETOMI, Eiji OKANARI, Yasunori TOKUNAGA, Hiroshi FUJIWARA
  • Patent number: 8685986
    Abstract: The present invention is to provide a medical composition for the treatment or prophylaxis of glaucoma which comprises a pyridylaminoacetic acid compound represented by the formula (1): wherein R1, R2, R3, Y, and Z are defined in the specification.
    Type: Grant
    Filed: March 30, 2010
    Date of Patent: April 1, 2014
    Assignee: Ube Industries, Ltd.
    Inventors: Masahiko Hagihara, Kenji Yoneda, Eiji Okanari, Manabu Shigetomi
  • Patent number: 8648097
    Abstract: The present invention provides a novel pyridylaminoacetic acid compound represented by the following formula (1): (wherein R1, R2, R3, Y and Z are as defined in the description and claims), or a pharmacologically acceptable salt thereof. The pyridylaminoacetic acid compound has EP2 agonistic action and is therefore useful as a therapeutic and/or prophylactic agent for respiratory diseases such as asthma or chronic obstructive pulmonary disease.
    Type: Grant
    Filed: March 12, 2009
    Date of Patent: February 11, 2014
    Assignee: Ube Industries, Ltd.
    Inventors: Ryo Iwamura, Masayuki Tanaka, Tetsushi Katsube, Manabu Shigetomi, Eiji Okanari, Yasunori Tokunaga, Hiroshi Fujiwara
  • Publication number: 20120259123
    Abstract: The present invention relates to a compound represented by the formula (I): or a pharmaceutically acceptable salt thereof, a medical composition containing the same, and a medical composition for the treatment or prophylaxis of respiratory diseases or glaucoma.
    Type: Application
    Filed: December 24, 2010
    Publication date: October 11, 2012
    Applicant: UBE INDUSTRIES, LTD.
    Inventors: Ryo Iwamura, Masayuki Tanaka, Tetsushi Katsube, Nobuhiko Shibakawa, Manabu Shigetomi, Eiji Okanari, Tomoko Kanda, Yasunori Tokunaga, Hiroshi Fujiwara
  • Publication number: 20120226036
    Abstract: This is to provide a novel substituted carbonyl compound represented by the following formula (I) having an excellent bronchodilatory action based on potent EP2 agonistic action and useful for treatment of respiratory diseases. A compound represented by the following formula (I): or a salt thereof.
    Type: Application
    Filed: September 10, 2010
    Publication date: September 6, 2012
    Applicant: UBE INDUSTRIES, LTD.
    Inventors: Masahiko Hagihara, Ryo Iwamura, Nobuhiko Shibakawa, Kenji Yoneda, Eiji Okanari, Takayuki Nakanishi
  • Publication number: 20120190852
    Abstract: The present invention is to provide a medical composition for the treatment or prophylaxis of glaucoma which comprises a pyridylaminoacetic acid compound represented by the formula (1): wherein R1, R2 and R3 each independently represent a hydrogen atom or C1-C6 alkyl group, Y represents a bicyclic heteroaromatic ring group which may be substituted by a group(s) selected from the group consisting of a halogen atom, C1-C6 alkyl group, halogeno C1-C6 alkyl group, C1-C6 alkoxyl group, halogeno C1-C6 alkoxyl group and C1-C6 alkylthio group or a group -Q1-Q2 wherein Q1 represents an arylene group or 5- to 6-membered heteroarylene group, Q2 represents an aromatic group or a 5- to 6-membered ring heterocyclic group each of which may be substituted by a group(s) selected from the group consisting of a halogen atom, hydroxyl group, C1-C6 alkyl group, halogeno C1-C6 alkyl group, C1-C6 alkoxyl group and halogeno C1-C6 alkoxyl group, Z represents an aromatic group or a 5- to 6-membered heteroaromatic ring group ea
    Type: Application
    Filed: March 30, 2010
    Publication date: July 26, 2012
    Applicant: UBE INDUSTRIES, LTD.
    Inventors: Masahiko Hagihara, Kenji Yoneda, Eiji Okanari, Manabu Shigetomi
  • Publication number: 20120184747
    Abstract: This is to provide a novel aniline compound represented by the following formula (I) having an excellent broncho dilatory action based on potent EP2 agonistic action. A compound represented by the formula (I): or a salt thereof.
    Type: Application
    Filed: September 10, 2010
    Publication date: July 19, 2012
    Applicant: UBE INDUSTRIES, LTD.
    Inventors: Ryo Iwamura, Yoko Murakami, Masahiko Hagihara, Eiji Okanari
  • Publication number: 20110054172
    Abstract: The present invention provides a novel pyridylaminoacetic acid compound represented by the following formula (1): (wherein R1, R2, R3, Y and Z are as defined in the description and claims), or a pharmacologically acceptable salt thereof. The pyridylaminoacetic acid compound has EP2 agonistic action and is therefore useful as a therapeutic and/or prophylactic agent for respiratory diseases such as asthma or chronic obstructive pulmonary disease.
    Type: Application
    Filed: March 12, 2009
    Publication date: March 3, 2011
    Inventors: Ryo Iwamura, Masayuki Tanaka, Tetsushi Katsube, Manabu Shigetomi, Eiji Okanari, Yasunori Tokunaga, Hiroshi Fujiwara
  • Patent number: 7309718
    Abstract: The present invention discloses a dibenzocycloheptene compound represented by the formula (I): wherein R1: hydrogen atom, halogen atom, etc., R2: hydrogen atom, halogen atom, etc., A: 5-membered or 6-membered heteroaromatic ring group containing 1 to 3 hetero atom(s) selected from the group consisting of nitrogen atom, oxygen atom and sulfur atom, and the heteroaromatic ring group, etc. may have halogen atom, nitrogen atom, etc. as substituent(s), B: formula; —CH?CH—, formula; —CH2O—, etc., Y: C1-C10 alkylene group which may have halogen atom, etc. as substituent(s), etc., Z: carboxyl group which may be protected, etc.
    Type: Grant
    Filed: June 27, 2002
    Date of Patent: December 18, 2007
    Assignee: UBE Industries, Ltd.
    Inventors: Yoshiaki Kuroki, Hitoshi Ueno, Tetsushi Katsube, Tetsuo Kawaguchi, Eiji Okanari, Ichiro Tanaka, Masayuki Tanaka, Masahiko Hagihara
  • Publication number: 20040180884
    Abstract: The present invention discloses a dibenzocycloheptene compound represented by the formula (I): 1
    Type: Application
    Filed: December 23, 2003
    Publication date: September 16, 2004
    Inventors: Yoshiaki Kuroki, Hitoshi Ueno, Tetsushi Katsube, Tetsuo Kawaguchi, Eiji Okanari, Ichiro Tanaka, Masayuki Tanaka, Masahiko Hagihara
  • Publication number: 20030216571
    Abstract: The present invention is to provide novel tricyclic compounds having leukotriene antagonistic action and represented by the formula: 1
    Type: Application
    Filed: July 31, 2002
    Publication date: November 20, 2003
    Inventors: Yoshiaki Kuroki, Hitoshi Ueno, Tetsushi Katsube, Tetsuo Kawaguchi, Eiji Okanari, Takashi Ikuta
  • Patent number: 5591752
    Abstract: This invention relates to a compound (a quinoline derivative) represented by the formula (I): ##STR1## The quinoline derivative of this invention has a strong leukotriene antagonistic action and is extremely useful as an antiallergic medicine and an anti-inflammatory medicine.
    Type: Grant
    Filed: August 16, 1995
    Date of Patent: January 7, 1997
    Assignee: Ube Industries, Ltd.
    Inventors: Tomio Kimura, Yoshio Kaku, Takashi Ikuta, Hiroshi Fujiwara, Hitoshi Ueno, Eiji Okanari