Patents by Inventor Katsumasa Nonoshita

Katsumasa Nonoshita 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: 9758526
    Abstract: An object to be achieved by the present invention is to provide a novel compound having EGFR inhibitory effects and cell growth inhibitory effects, as well as a medication useful for the prevention and/or treatment of cancer based on the EGFR inhibitory effects. The present invention provides a compound represented by Formula (I) below, or a salt thereof.
    Type: Grant
    Filed: December 19, 2016
    Date of Patent: September 12, 2017
    Assignee: Taiho Pharmaceutical Co., Ltd.
    Inventors: Takao Uno, Katsumasa Nonoshita, Tadashi Shimamura
  • Patent number: 9650386
    Abstract: An object to be achieved by the present invention is to provide a novel compound having EGFR inhibitory effects and cell growth inhibitory effects, as well as a medication useful for the prevention and/or treatment of cancer based on the EGFR inhibitory effects. The present invention provides a compound represented by Formula (I) below, or a salt thereof.
    Type: Grant
    Filed: August 22, 2014
    Date of Patent: May 16, 2017
    Assignee: Taiho Pharmaceutical Co., Inc.
    Inventors: Takao Uno, Katsumasa Nonoshita, Tadashi Shimamura
  • Publication number: 20170101414
    Abstract: An object to be achieved by the present invention is to provide a novel compound having EGFR inhibitory effects and cell growth inhibitory effects, as well as a medication useful for the prevention and/or treatment of cancer based on the EGFR inhibitory effects. The present invention provides a compound represented by Formula (I) below, or a salt thereof.
    Type: Application
    Filed: December 19, 2016
    Publication date: April 13, 2017
    Applicant: TAIHO PHARMACEUTICAL CO., LTD.
    Inventors: Takao UNO, Katsumasa NONOSHITA, Tadashi SHIMAMURA
  • Publication number: 20160194332
    Abstract: An object to be achieved by the present invention is to provide a novel compound having EGFR inhibitory effects and cell growth inhibitory effects, as well as a medication useful for the prevention and/or treatment of cancer based on the EGFR inhibitory effects. The present invention provides a compound represented by Formula (I) below, or a salt thereof.
    Type: Application
    Filed: August 22, 2014
    Publication date: July 7, 2016
    Applicant: TAIHO PHARMACEUTICAL CO., LTD.
    Inventors: Takao UNO, Katsumasa NONOSHITA, Tadashi SHIMAMURA
  • Patent number: 8889666
    Abstract: The present invention provides a new compound that has an inhibitory action against EGFR and that has cell growth inhibitory effects. The present invention further provides a pharmaceutical preparation useful for preventing and/or treating cancer, based on the EGFR inhibitory effect of the compound. A compound represented by the following Formula (I) or a salt thereof.
    Type: Grant
    Filed: February 22, 2013
    Date of Patent: November 18, 2014
    Assignee: Taiho Pharmaceutical Co., Ltd.
    Inventors: Takeshi Sagara, Satoru Ito, Sachie Otsuki, Katsumasa Nonoshita
  • Publication number: 20140057899
    Abstract: The present invention provides a new compound that has an inhibitory action against EGFR and that has cell growth inhibitory effects. The present invention further provides a pharmaceutical preparation useful for preventing and/or treating cancer, based on the EGFR inhibitory effect of the compound. A compound represented by the following Formula (I) or a salt thereof.
    Type: Application
    Filed: February 22, 2013
    Publication date: February 27, 2014
    Applicant: Taiho Pharmaceutical Co., Ltd.
    Inventors: Takeshi Sagara, Satoru Ito, Sachie Otsuki, Katsumasa Nonoshita
  • Patent number: 8519136
    Abstract: The present invention relates to a compound of formula I: wherein: R1 is a hydrogen atom, F, CN, etc.; R2 is CO, SO2, etc.; R3 is a phenyl which may be substituted; X1, X2, and X3 each independently CH, N, etc. provided, however, that among X1, X2 and X3, the number of nitrogen is 0 or 1; W is the following residue: wherein: W1, W2, and W3 each independently CH, N, etc., or a pharmaceutically acceptable salt or ester thereof.
    Type: Grant
    Filed: February 18, 2009
    Date of Patent: August 27, 2013
    Assignee: MSD K.K.
    Inventors: Tetsuya Kato, Nobuhiko Kawanishi, Takashi Mita, Katsumasa Nonoshita, Mitsuru Ohkubo
  • Patent number: 8101621
    Abstract: The present invention relates to a compound of general formula I: wherein: n1 and n2 are the same or different, and are 0 or 1; R is aryl, heteroaryl, etc.; Re is hydrogen atom or lower alkyl; two groups selected from four groups consisting of (i) either one of Ra1 and Ra1?, (ii) either one of Ra2 and Ra2?, (iii) either one of Rb1 and Rb1?, and (iv) either one of Rb2 and Rb2?, are combined to form —(CH2)n— where n is 1, 2 or 3; and among Ra1, Ra1?, Ra2, Ra2?, Rb1, Rb1?, Rb2 and Rb2?, the groups which do not form —(CH2)n— are each independently hydrogen atom, etc.; X1, X2, X3 and X4 are each independently CH, N, etc.; Y1, Y2, Y3 and Y4 are the same or different and are CH or N, etc.; W is a 5-membered aromatic heterocyclic group, or a pharmaceutically acceptable salt or ester thereof.
    Type: Grant
    Filed: April 25, 2007
    Date of Patent: January 24, 2012
    Assignee: MSD K.K.
    Inventors: Tetsuya Kato, Nobuhiko Kawanishi, Takashi Mita, Keita Nagai, Katsumasa Nonoshita, Mitsuru Ohkubo
  • Patent number: 7994331
    Abstract: A compound represented by the formula (I) or a pharmaceutically acceptable salt thereof: (I) wherein X1 to X4 independently represent a carbon atom or the like; the ring A represents a 5- to 6-membered heteroaryl having 1 to 4 heteroatoms independently selected from the group consisting of a nitrogen atom, a sulfur atom and an oxygen atom; X5 represents an oxygen atom or the like; X represents a carbon atom or the like; Het represents a 5- or 6-membered aliphatic heterocycle; R1 represents an aryl or the like; R2 represents a formyl group or the like; and R3 represents a —C1-6 alkyl or the like. The compound or salt has a glucokinase activation effect and is useful as a therapeutic agent for diabetes.
    Type: Grant
    Filed: July 12, 2006
    Date of Patent: August 9, 2011
    Assignee: MSD K.K.
    Inventors: Yoshio Ogino, Katsumasa Nonoshita, Teruyuki Nishimura, Jun-ichi Eiki
  • Patent number: 7915263
    Abstract: The present invention relates to a compound of formula I: wherein: R1 is a hydrogen atom, F, CN, etc.; R1? is a hydrogen atom or lower alkyl which may be substituted; R2 is O, S, SO, SO2, etc.; R3 is a phenyl which may be substituted; X1, X2, and X3 each independently CH, N, etc. provided, however, that among X1, X2 and X3, the number of nitrogen is 0 or 1; W is the following residue: wherein: W1, W2, and W3 each independently CH, N, etc., or a pharmaceutically acceptable salt or ester thereof.
    Type: Grant
    Filed: August 29, 2007
    Date of Patent: March 29, 2011
    Assignee: Banyu Pharmaceutical Co., Ltd.
    Inventors: Yoshikazu Iwasawa, Tetsuya Kato, Nobuhiko Kawanishi, Kouta Masutani, Takashi Mita, Katsumasa Nonoshita, Mitsuru Ohkubo
  • Publication number: 20110003833
    Abstract: The present invention relates to a compound of formula I: wherein: R1 is a hydrogen atom, F, CN, etc.; R2 is CO, SO2, etc.; R3 is a phenyl which may be substituted; X1, X2, and X3 each independently CH, N, etc. provided, however, that among X1, X2 and X3, the number of nitrogen is 0 or 1; W is the following residue: wherein: W1, W2, and W3 each independently CH, N, etc., or a pharmaceutically acceptable salt or ester thereof.
    Type: Application
    Filed: February 18, 2009
    Publication date: January 6, 2011
    Inventors: Tetsuya Kato, Nobuhiko Kawanishi, Takashi Mita, Katsumasa Nonoshita, Mitsuru Ohkubo
  • Patent number: 7728025
    Abstract: A glucokinase activator is provided; and a remedy and/or a preventive for diabetes, or a remedy and/or a preventive for diabetes such as retinopathy, nephropathy, neurosis, ischemic cardiopathy, arteriosclerosis, and further a remedy and/or a preventive for obesity are provided. A glucokinase activator characterized by containing a 2-heteroaryl-substituted benzimidazole derivative of a general formula (I-0) or its pharmaceutically-acceptable salt: [in the formula, X represents a carbon atom or a nitrogen atom; X1, X2, X3 and X4 each independently represent a carbon atom or a nitrogen atom; the ring A represents a 5- or 6-membered nitrogen-containing aromatic hetero ring of a formula (II): (in the formula, X represents a carbon atom or a nitrogen atom); R1 represents an aryl, etc.; R2 represents a hydroxy, etc.; R3 represents a —C1-6 alkyl, etc.; R4 represents a —C1-6 alkyl, etc.; X5 represents —O—, etc.
    Type: Grant
    Filed: December 28, 2004
    Date of Patent: June 1, 2010
    Assignee: Banyu Pharmaceutical Co., Ltd.
    Inventors: Katsumasa Nonoshita, Makoto Ishikawa, Hiroshi Nakashima, Daisuke Tsukahara, Yoshio Ogino, Fumiko Sakai, Yoshikazu Nagae, Keisuke Arakawa, Teruyuki Nishimura
  • Publication number: 20100087360
    Abstract: A compound represented by the formula (I) or a pharmaceutically acceptable salt thereof: (I) wherein X1 to X4 independently represent a carbon atom or the like; the ring A represents a 5- to 6-membered heteroaryl having 1 to 4 heteroatoms independently selected from the group consisting of a nitrogen atom, a sulfur atom and an oxygen atom; X5 represents an oxygen atom or the like; X represents a carbon atom or the like; Het represents a 5- or 6-membered aliphatic heterocycle; R1 represents an aryl or the like; R2 represents a formyl group or the like; and R3 represents a —C1-6 alkyl or the like. The compound or salt has a glucokinase activation effect and is useful as a therapeutic agent for diabetes.
    Type: Application
    Filed: July 12, 2006
    Publication date: April 8, 2010
    Inventors: Yoshio Ogino, Katsumasa Nonoshita, Teruyuki Nishimura, Jun-ichi Eike
  • Publication number: 20100016335
    Abstract: The present invention relates to a compound of formula I: wherein: R1 is a hydrogen atom, F, CN, etc.; R1? is a hydrogen atom or lower alkyl which may be substituted; R2 is O, S, SO, SO2, etc.; R3 is a phenyl which may be substituted; X1, X2, and X3 each independently CH, N, etc. provided, however, that among X1, X2 and X3, the number of nitrogen is 0 or 1; W is the following residue: wherein: W1, W2, and W3 each independently CH, N, etc., or a pharmaceutically acceptable salt or ester thereof.
    Type: Application
    Filed: August 29, 2007
    Publication date: January 21, 2010
    Inventors: Yoshikazu Iwasawa, Tetsuya Kato, Nobuhiko Kawanishi, Kouta Masutani, Takashi Mita, Katsumasa Nonoshita, Mitsuru Ohkubo
  • Publication number: 20090192174
    Abstract: The present invention relates to a compound of general formula I: wherein: n1 and n2 are the same or different, and are 0 or 1; R is aryl, heteroaryl, etc.; Re is hydrogen atom or lower alkyl; two groups selected from four groups consisting of (i) either one of Ra1 and Ra1?, (ii) either one of Ra2 and Ra2?, (iii) either one of Rb1 and Rb1?, and (iv) either one of Rb2 and Rb2?, are combined to form —(CH2)n— where n is 1, 2 or 3; and among Ra1, Ra1?, Ra2, Ra2?, Rb1, Rb1?, Rb2 and Rb2?, the groups which do not form —(CH2)n— are each independently hydrogen atom, etc.; X1, X2, X3 and X4 are each independently CH, N, etc.; Y1, Y2, Y3 and Y4 are the same or different and are CH or N, etc.; W is a 5-membered aromatic heterocyclic group, or a pharmaceutically acceptable salt or ester thereof.
    Type: Application
    Filed: April 25, 2007
    Publication date: July 30, 2009
    Applicant: BANYU PHARMACEUTICAL CO., LTD.
    Inventors: Tetsuya Kato, Nobuhiko Kawanishi, Takashi Mita, Keita Nagai, Katsumasa Nonoshita, Mitsuru Ohkubo
  • Publication number: 20080070928
    Abstract: A glucokinase activator is provided; and a remedy and/or a preventive for diabetes, or a remedy and/or a preventive for diabetes such as retinopathy, nephropathy, neurosis, ischemic cardiopathy, arteriosclerosis, and further a remedy and/or a preventive for obesity are provided. A glucokinase activator characterized by containing a 2-heteroaryl-substituted benzimidazole derivative of a general formula (I-0) or its pharmaceutically-acceptable salt: [in the formula, X represents a carbon atom or a nitrogen atom; X1, X2, X3 and X4 each independently represent a carbon atom or a nitrogen atom; the ring A represents a 5- or 6-membered nitrogen-containing aromatic hetero ring of a formula (II): (in the formula, X represents a carbon atom or a nitrogen atom); R1 represents an aryl, etc.; R2 represents a hydroxy, etc.; R3 represents a —C1-6 alkyl, etc.; R4 represents a —C1-6 alkyl, etc.; X5 represents —O—, etc.
    Type: Application
    Filed: December 28, 2004
    Publication date: March 20, 2008
    Inventors: Katsumasa Nonoshita, Makoto Ishikawa, Hiroshi Nakashima, Daisuke Tsukahara, Yoshio Ogino, Fumiko Sakai, Yoshikazu Nagae, Keisuke Arakawa, Teruyuki Nishimura, Jun-Ichi Eiki
  • Publication number: 20080058347
    Abstract: The present invention relates to a compound of formula I: wherein: R1 is a hydrogen atom, F, CN, etc.; R1? is a hydrogen atom or lower alkyl which may be substituted; R2 is O, S, SO, SO2, etc.; R3 is a phenyl which may be substituted; X1, X2, and X3 each independently CH, N, etc. provided, however, that among X1, X2 and X3, the number of nitrogen is 0 or 1; W is the following residue: wherein: W1, W2, and W3 each independently CH, N, etc., or a pharmaceutically acceptable salt or ester thereof.
    Type: Application
    Filed: August 29, 2007
    Publication date: March 6, 2008
    Inventors: Yoshikuzu Iwasawa, Tetsuya Kato, Nobuhiko Kawanishi, Kouta Masutani, Takashi Mita, Katsumasa Nonoshita, Mitsuru Ohkubo
  • Patent number: 7205417
    Abstract: Compounds of the formula (I): (wherein A is an optionally substituted straight-chain hydrocarbon having 1 to 6 carbon atoms, which is optionally intervened by oxygen or nitrogen atom; Ar1 is aryl or heteroaryl, any of which is optionally substituted; n is 0 or 1; R0 is hydrogen, or lower alkylene attached to an arbitrary, bondable position of A; T, U, V and W are independently nitrogen atom or optionally substituted methine, and at least two of T, U, V and W are said methine group; X is —N(SO2R1)—, —N(COR2)— or —CO—; Y is —C(R3)(R4)—, —O— or —N(R5)—; Z is methine or nitrogen atom) exhibit NPY antagonistic activities and are useful as agents for the treatment of various diseases related to NPY, for example, cardiovascular disorders such as hypertension, nephropathy, heart disease, vasospasm, arteriosclerosis, etc., central nervous system disorders such as bulimia, depression, anxiety, seizure, epilepsy, dementia, pain, alcoholism, drug withdrawal, circadian rhythm disorders, schizophrenia, etc.
    Type: Grant
    Filed: August 2, 2002
    Date of Patent: April 17, 2007
    Assignee: Banyu Pharmaceutical Co., Ltd.
    Inventors: Takehiro Fukami, Katsumasa Nonoshita, Takeshi Sagara, Hiroyuki Kishino
  • Publication number: 20040259890
    Abstract: Compounds of the formula (I): 1
    Type: Application
    Filed: April 12, 2004
    Publication date: December 23, 2004
    Inventors: Takehiro Fukami, Katsumasa Nonoshita, Takeshi Sagara, Hiroyuki Kishino
  • Patent number: 5777150
    Abstract: A compound of the formula (I) or its pharmaceutically acceptable salt or ester: ##STR1## wherein each of ##STR2## which are the same or different, is an aryl group or a heteroaromatic ring group; A is a C.sub.3-8 linear saturated or unsaturated aliphatic hydrocarbon group which may have substituent(s) selected from the group consisting of a lower alkyl group, a hydroxyl group, a lower alkoxy group, a carboxyl group, an aryl group and an aralkyl group; Q is a single bond or a group of the formula --CO--O--, --O--CO--, --CH.sub.2 CH.sub.2 --, --CH.dbd.CH--, --OCH.sub.2 --, --SCH.sub.2 --, --CH.sub.2 O-- or --CH.sub.2 S--; each of R.sup.1, R.sup.2, R.sup.3 and R.sup.4 which are the same or different, is a hydrogen atom, a halogen atom, a lower alkyl group, a hydroxyl group, a lower alkoxy group, or an aryl or heteroaromatic ring group which may have substituent(s) selected from the group consisting of a halogen atom, a lower alkyl group and a lower alkoxy group; each of R.sup.5, R.sup.6 and R.sup.
    Type: Grant
    Filed: August 13, 1996
    Date of Patent: July 7, 1998
    Assignee: Banyu Pharmaceutical Co., Ltd.
    Inventors: Takashi Nomoto, Masahiro Hayashi, Jun Shibata, Yoshikazu Iwasawa, Morihiro Mitsuya, Yoshiaki Iida, Katsumasa Nonoshita, Yasufumi Nagata