Patents by Inventor Tetsushi Katsube

Tetsushi Katsube 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: 9676720
    Abstract: The present invention provides a substituted biaryl compound of general formula (I): wherein, R1, W, R2, and Z are as defined in the claims and the description, or a pharmacologically acceptable salt thereof. The compound according to the present invention has an excellent inhibition effect of pulmonary fibroblast proliferation, and is therefore useful as a therapeutic agent and/or a prophylactic agent for interstitial pneumonia and pulmonary fibrosis.
    Type: Grant
    Filed: March 28, 2014
    Date of Patent: June 13, 2017
    Assignee: UBE INDUSTRIES, LTD.
    Inventors: Nobuhiko Shibakawa, Kenji Yoneda, Tetsushi Katsube, Tomoko Kanda, Koji Ito, Kiyoshi Yamamoto, Noriaki Iwase, Shigeru Ushiyama
  • Publication number: 20160213657
    Abstract: Provided is a pharmaceutical composition containing, as an active ingredient thereof, a substituted biaryl compound represented by general formula (I), wherein, R1, W, R2 and Z are as defined in the claims and description, or a pharmacologically acceptable salt thereof. The pharmaceutical composition of the present invention is useful as a therapeutic drug and/or prophylactic drug for chronic obstructive pulmonary disease due to having an excellent anti-inflammatory effect.
    Type: Application
    Filed: September 2, 2014
    Publication date: July 28, 2016
    Applicant: UBE INDUSTRIES, LTD.
    Inventors: Kenji YONEDA, Nobuhiko SHIBAKAWA, Tetsushi KATSUBE, Tomoko KANDA, Koji ITO, Kiyoshi YAMAMOTO, Masaru SHINOHARA, Noriaki IWASE, Shigeru USHIYAMA
  • Publication number: 20160060221
    Abstract: The present invention provides a substituted biaryl compound of general formula (I): wherein, R1, W, R2, and Z are as defined in the claims and the description, or a pharmacologically acceptable salt thereof. The compound according to the present invention has an excellent inhibition effect of pulmonary fibroblast proliferation, and is therefore useful as a therapeutic agent and/or a prophylactic agent for interstitial pneumonia and pulmonary fibrosis.
    Type: Application
    Filed: March 28, 2014
    Publication date: March 3, 2016
    Applicant: UBE INDUSTRIES, LTD.
    Inventors: Nobuhiko SHIBAKAWA, Kenji YONEDA, Tetsushi KATSUBE, Tomoko KANDA, Koji ITO, Kiyoshi YAMAMOTO, Noriaki IWASE, Shigeru USHIYAMA
  • 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: 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
  • Patent number: 8450319
    Abstract: The present invention discloses a pyrrolopyridazinone compound represented by the formula (1): useful, for example, as an anti-inflammatory agent or an inhibitor of respiratory tract contraction.
    Type: Grant
    Filed: January 16, 2007
    Date of Patent: May 28, 2013
    Assignee: Ube Industries, Ltd.
    Inventors: Masahiko Hagihara, Masayuki Tanaka, Tetsushi Katsube, Makoto Okudo, Noriaki Iwase, Manabu Shigetomi, Tomoko Kanda, Takayuki Nakanishi
  • 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: 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
  • Publication number: 20090036453
    Abstract: The present invention discloses a pyrrolopyridazinone compound represented by the formula (1): wherein R1 represents C1-C2 alkyl group or halogeno C1-C2 alkyl group, R2 repersents C3-C5 cycloalkyl group, (C3-C5 cycloalkyl)C1-C2 alkyl group or C1-C3 alkyl group, R3 represents hydrogen atom, or methylene group or cis-vinylene group for forming substituted oxygen-containing hetero ring in combination with group —O—R2, R4 represents hydrogen atom, halogen atom, C1-C8 alkyl group, C2-C6 alkenyl group, C2-C6 alkynyl group, hydroxy C3-C6 alkenyl group, hydroxy C3-C6 alkynyl group, C1-C6 alkyl group substituted by substituent(s) selected from Substituent group (a), C3-C6 cycloalkyl group which may be substituted by substituent(s) selected from Substituent group (b), “C1-C3 alkyl group which is substituted by C3-C6 cycloalkyl group which may be substituted by substituent(s) selected from Substituent group (b), and which may be substituted by a hydroxy group”, an aromatic ring group or heteroaromatic ring group e
    Type: Application
    Filed: January 16, 2007
    Publication date: February 5, 2009
    Inventors: Masahiko Hagihara, Masayuki Tanaka, Tetsushi Katsube, Makoto Okudo, Noriaki Iwase, Manabu Shigetomi, Tomoko Kanda, Takayuki Nakanishi
  • 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: 6034086
    Abstract: This invention relates to a 8-trifluoromethylquinolinecaboxylic acid derivative represented by the following formula (I): ##STR1## (wherein R.sup.1 represents a lower alkyl group, a halogeno-lower alkyl group or a cycloalkyl group, R.sup.2 represents a phenyl group which may be substituted by R.sup.0, a 5-membered or 6-membered aromatic heteromonocyclic ring group containing 1 or 2 hetero atoms selected from N, O and S, which may be substituted by R.sup.0, or an aromatic heterocyclic fused ring group in which the said aromatic heteromonocyclic ring group and a benzene ring are fused, R.sup.0 represents a group selected from a halogen, a lower alkyl, a fluorine-substituted lower alkyl, a lower alkoxy or a lower alkylthio, R.sup.3 represents hydrogen or a lower alkyl group, and m represents an integer of 2 or 3.) or a pharmaceutically acceptable salt thereof or an ester thereof.
    Type: Grant
    Filed: September 16, 1998
    Date of Patent: March 7, 2000
    Assignees: Ube Industries, Ltd., Sankyo Company, Limited
    Inventors: Tomio Kimura, Tetsushi Katsube, Takashi Nishigaki
  • Patent number: 5688791
    Abstract: Disclosed are an aryl group- or heterocyclic group-substituted aminoquinolone compound represented by the formula (Ia), (Ib) or (Ic): ##STR1## wherein each of the substitutents are defined in the specification, or a salt of the compound, and an AIDS curing agent containing the same as an effective ingredient.
    Type: Grant
    Filed: September 11, 1995
    Date of Patent: November 18, 1997
    Assignee: UBE Industries, LTD.
    Inventors: Tomio Kimura, Tetsushi Katsube
  • Patent number: 5519016
    Abstract: Disclosed are an aryl group- or heterocyclic group-substituted aminoquinolone compound represented by the formula (Ia), (Ib) or (Ic): ##STR1## wherein each of the substitutents are defined in the specification, or a salt of the compound, and an AIDS curing agent containing the same as an effective ingredient.
    Type: Grant
    Filed: November 15, 1994
    Date of Patent: May 21, 1996
    Assignee: Ube Industries, Ltd.
    Inventors: Tomio Kimura, Tetsushi Katsube
  • Patent number: 5496951
    Abstract: Compounds of formula (I): ##STR1## (in which: R.sup.1 represents fluorinated methoxy: R.sup.2 represents a nitrogen-containing heterocyclic group and R.sup.3 represents hydrogen or amino) and pharmaceutically acceptable salts, esters and amides thereof are valuable antibacterial agents, which may be prepared by reacting a compound similar to that of formula (I) but in which R.sup.2 is replaced by a halogen atom with a compound providing the required group R.sup.2.
    Type: Grant
    Filed: January 27, 1995
    Date of Patent: March 5, 1996
    Assignees: Sankyo Company, Limited, Ube Industries Limited
    Inventors: Masayuki Iwata, Tomio Kimura, Teruhiko Inoue, Yoshimi Fujihara, Tetsushi Katsube
  • Patent number: 5436367
    Abstract: Compounds of formula (I): ##STR1## (in which: R.sup.1 represents fluorinated methoxy; R.sup.2 represents a nitrogen-containing heterocyclic group and R.sup.3 represents hydrogen or amino) and pharmaceutically acceptable salts, esters and amides thereof are valuable antibacterial agents, which may be prepared by reacting a compound similar to that of formula (I) but in which R.sup.2 is replaced by a halogen atom with a compound providing the required group R.sup.2.
    Type: Grant
    Filed: April 14, 1994
    Date of Patent: July 25, 1995
    Assignees: Sanko Company, Limited, UBE Industries Limited
    Inventors: Masayuki Iwata, Tomio Kimura, Teruhiko Inoue, Yoshimi Fujihara, Tetsushi Katsube
  • Patent number: 5348961
    Abstract: Compounds of formula (I): ##STR1## (in which: R.sup.1 represents fluorinated methoxy; R.sup.2 represents a nitrogen-containing heterocyclic group and R.sup.3 represents hydrogen or amino) and pharmaceutically acceptable salts, esters and amides thereof are valuable antibacterial agents, which may be prepared by reacting a compound similar to that of formula (I) but in which R.sup.2 is replaced by a halogen atom with a compound providing the required group R.sup.2.
    Type: Grant
    Filed: October 9, 1990
    Date of Patent: September 20, 1994
    Assignee: Sankyo Company Limited
    Inventors: Masayuki Iwata, Tomio Kimura, Teruhiko Inoue, Yoshimi Fujihara, Tetsushi Katsube
  • Patent number: 5073556
    Abstract: Compounds of formula (I): ##STR1## (in which: R.sup.1 represents fluorinated methoxy; R.sup.2 represents a nitrogen-containing heterocyclic group and R.sup.3 represents hydrogen or amino) and pharmaceutically acceptable salts, esters and amides thereof are valuable antibacterial agents, which may be prepared by reacting a compound similar to that of formula (I) but in which R.sup.2 is replaced by a halogen atom with a compound providing the required group R.sup.2.
    Type: Grant
    Filed: February 22, 1991
    Date of Patent: December 17, 1991
    Assignees: Sankyo Company Limited, Ube Industries Limited
    Inventors: Masayuki Iwata, Tomio Kimura, Teruhiko Inoue, Yoshimi Fujihara, Tetsushi Katsube
  • Patent number: 4997943
    Abstract: Compounds of formula (I): ##STR1## (in which R.sup.1 is alkoxy, R is alkyl, haloalkyl, alkylamino, cycloalkyl or optionally substituted phenyl, X is chlorine or fluorine and Y is selected from certain specific heterocycles) have excellent antibacterial activity. They may be prepared by introducing the group represented by Y into the corresponding compound in which Y is replaced by a halogen atom.
    Type: Grant
    Filed: March 31, 1987
    Date of Patent: March 5, 1991
    Assignees: Sankyo Company Limited, Ube Industries Limited
    Inventors: Masayuki Iwata, Tomio Kimura, Yoshimi Fujihara, Tetsushi Katsube