Patents by Inventor Satoru Iguchi
Satoru Iguchi 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).
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Publication number: 20240025910Abstract: An object to be solved of the present invention is to provide a brain-penetrable antitumor agent showing an excellent brain penetration property and RET inhibitory activity. The present invention provides brain-penetrable antitumor agent including a compound represented by Formula (I) below or a salt thereof as an active ingredient: wherein R1, R2, and R3 are as described in Specification.Type: ApplicationFiled: November 18, 2021Publication date: January 25, 2024Applicant: TAIHO PHARMACEUTICAL CO., LTD.Inventors: Isao MIYAZAKI, Satoru IGUCHI, Kentaro WAKAYAMA
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Patent number: 11078207Abstract: Provided are a novel pyrimidine compound that inhibits HER2 activity and exhibits brain penetration properties, or a salt thereof, and a pharmaceutical composition comprising the same. A compound represented by the following formula (I), or a salt thereof: wherein R1 represents a C1-C4 alkyl group optionally having a C1-C4 alkoxy group as a substituent, or a C3-C4 cycloalkyl group; R2 represents a hydrogen atom, a halogen atom, a C1-C6 alkyl group optionally having 1 to 5 C1-C4 alkoxy groups or fluorine atoms each as a substituent(s), or a C1-C6 alkoxy group; R3 represents a hydrogen atom, or a C1-C4 alkyl group optionally having 1 to 5 fluorine atoms as a substituent(s); R4 represents a hydrogen atom or a C1-C4 alkyl group; and R5 represents a phenyl group optionally having 1 to 3 substituents selected from fluorine atoms and chlorine atoms.Type: GrantFiled: October 8, 2020Date of Patent: August 3, 2021Assignee: TAIHO PHARMACEUTICAL CO., LTD.Inventors: Masayuki Nakamura, Takahiro Asai, Satoru Iguchi, Kei Oguchi
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Patent number: 11046696Abstract: The problem to be solved by the present invention is to provide a novel compound having RET inhibitory activity. The present invention also provides a pharmaceutical preparation that is useful for the prevention and/or treatment of RET-related diseases, particularly cancer, based on RET inhibitory activity. The present invention provides a compound represented by Formula (I): wherein A, R2, and X are as defined in the specification; or a salt thereof.Type: GrantFiled: May 13, 2020Date of Patent: June 29, 2021Assignee: Taiho Pharmaceutical Co., Ltd.Inventors: Isao Miyazaki, Tadashi Shimamura, Masanori Kato, Hidenori Fujita, Satoru Iguchi
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Patent number: 11008324Abstract: The problem to be solved by the present invention is to provide a novel compound having RET inhibitory activity. The present invention also provides a pharmaceutical preparation that is useful for the prevention and/or treatment of RET-related diseases, particularly cancer, based on RET inhibitory activity. The present invention provides a compound represented by Formula (I): wherein A, R2, and X are as defined in the specification; or a salt thereof.Type: GrantFiled: May 13, 2020Date of Patent: May 18, 2021Assignee: Taiho Pharmaceutical Co., Ltd.Inventors: Isao Miyazaki, Tadashi Shimamura, Masanori Kato, Hidenori Fujita, Satoru Iguchi
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Publication number: 20210024530Abstract: Provided are a novel pyrimidine compound that inhibits HER2 activity and exhibits brain penetration properties, or a salt thereof, and a pharmaceutical composition comprising the same. A compound represented by the following formula (I), or a salt thereof: wherein R1 represents a C1-C4 alkyl group optionally having a C1-C4 alkoxy group as a substituent, or a C3-C4 cycloalkyl group; R2 represents a hydrogen atom, a halogen atom, a C1-C6 alkyl group optionally having 1 to 5 C1-C4 alkoxy groups or fluorine atoms each as a substituent(s), or a C1-C6 alkoxy group; R3 represents a hydrogen atom, or a C1-C4 alkyl group optionally having 1 to 5 fluorine atoms as a substituent(s); R4 represents a hydrogen atom or a C1-C4 alkyl group; and R5 represents a phenyl group optionally having 1 to 3 substituents selected from fluorine atoms and chlorine atoms.Type: ApplicationFiled: October 8, 2020Publication date: January 28, 2021Applicant: TAIHO PHARMACEUTICAL CO., LTD.Inventors: Masayuki NAKAMURA, Takahiro ASAI, Satoru IGUCHI, Kei OGUCHI
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Patent number: 10807986Abstract: The problem to be solved by the present invention is to provide a novel compound having RET inhibitory activity. The present invention also provides a pharmaceutical preparation that is useful for the prevention and/or treatment of RET-related diseases, particularly cancer, based on RET inhibitory activity. The present invention provides a compound represented by Formula (I): wherein A, R2, and X are as defined in the specification; or a salt thereof.Type: GrantFiled: November 1, 2018Date of Patent: October 20, 2020Assignee: Taiho Pharmaceutical Co., Ltd.Inventors: Isao Miyazaki, Tadashi Shimamura, Masanori Kato, Hidenori Fujita, Satoru Iguchi
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Publication number: 20200270253Abstract: The problem to be solved by the present invention is to provide a novel compound having RET inhibitory activity. The present invention also provides a pharmaceutical preparation that is useful for the prevention and/or treatment of RET-related diseases, particularly cancer, based on RET inhibitory activity. The present invention provides a compound represented by Formula (I): wherein A, R2, and X are as defined in the specification; or a salt thereof.Type: ApplicationFiled: May 13, 2020Publication date: August 27, 2020Applicant: TAIHO PHARMACEUTICAL CO., LTD.Inventors: Isao MIYAZAKI, Tadashi SHIMAMURA, Masanori KATO, Hidenori FUJITA, Satoru IGUCHI
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Publication number: 20190330214Abstract: The problem to be solved by the present invention is to provide a novel compound having RET inhibitory activity. The present invention also provides a pharmaceutical preparation that is useful for the prevention and/or treatment of RET-related diseases, particularly cancer, based on RET inhibitory activity. The present invention provides a compound represented by Formula (I): wherein A, R2, and X are as defined in the specification; or a salt thereof.Type: ApplicationFiled: November 1, 2018Publication date: October 31, 2019Applicant: TAIHO PHARMACEUTICAL CO., LTD.Inventors: Isao MIYAZAKI, Tadashi SHIMAMURA, Masanori KATO, Hidenori FUJITA, Satoru IGUCHI
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Patent number: 10155768Abstract: The problem to be solved by the present invention is to provide a novel compound having RET inhibitory activity. The present invention also provides a pharmaceutical preparation that is useful for the prevention and/or treatment of RET-related diseases, particularly cancer, based on RET inhibitory activity. The present invention provides a compound represented by Formula (I): wherein A, R2, and X are as defined in the specification; or a salt thereof.Type: GrantFiled: September 19, 2017Date of Patent: December 18, 2018Assignee: Taiho Pharmaceutical Co., Ltd.Inventors: Isao Miyazaki, Tadashi Shimamura, Masanori Kato, Hidenori Fujita, Satoru Iguchi
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Publication number: 20180009818Abstract: The problem to be solved by the present invention is to provide a novel compound having RET inhibitory activity. The present invention also provides a pharmaceutical preparation that is useful for the prevention and/or treatment of RET-related diseases, particularly cancer, based on RET inhibitory activity. The present invention provides a compound represented by Formula (I): wherein A, R2, and X are as defined in the specification; or a salt thereof.Type: ApplicationFiled: September 19, 2017Publication date: January 11, 2018Applicant: TAIHO PHARMACEUTICAL CO., LTD.Inventors: Isao MIYAZAKI, Tadashi SHIMAMURA, Masanori KATO, Hidenori FUJITA, Satoru IGUCHI
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Patent number: 9580432Abstract: Provided is a novel compound having BTK inhibitory action and a cell proliferation suppressing effect. Also provided is a medicine useful for the prevention and/or treatment of a disease associated with BTK, particularly cancer, based on BTK inhibitory action. A compound represented by formula (I) [wherein R1 to R3, W, A, Y and Z respectively have the meanings as defined in the specification], or a salt thereof is disclosed.Type: GrantFiled: August 11, 2014Date of Patent: February 28, 2017Assignee: TAIHO PHARMACEUTICAL CO., LTD.Inventors: Satoru Iguchi, Fumihito Hosoi, Takeshi Sagara
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Publication number: 20160115168Abstract: Provided is a novel compound having BTK inhibitory action and a cell proliferation suppressing effect. Also provided is a medicine useful for the prevention and/or treatment of a disease associated with BTK, particularly cancer, based on BTK inhibitory action. A compound represented by formula (I) [wherein R1 to R3, W, A, Y and Z respectively have the meanings as defined in the specification], or a salt thereof is disclosed.Type: ApplicationFiled: August 11, 2014Publication date: April 28, 2016Applicant: TAIHO PHARMACEUTICAL CO., LTD.Inventors: Satoru IGUCHI, Fumihito HOSOI, Takeshi SAGARA
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Publication number: 20100273794Abstract: This invention provides a compound of the formula (I): or a pharmaceutically acceptable salt thereof, and compositions containing such compounds and the use of such compounds for the manufacture of medicament for gastroesophageal reflux disease, gastrointestinal disease, gastric motility disorder, non-ulcer dyspepsia, functional dyspepsia, irritable bowel syndrome (IBS), constipation, dyspepsia, esophagitis, gastroesophageral disease, nausea, central nervous system disease, Alzheimer's disease, cognitive disorder, emesis, migraine, neurological disease, pain, cardiovascular disorders, cardiac failure, heart arrhythmia, diabetes and apnea syndrome. These compounds have 5-HT4 receptor agonistic activity, and thus are useful for the treatment of gastroesophageal reflux disease, non-ulcer dyspepsia, functional dyspepsia, irritable bowel syndrome or the like in mammalian, especially humans.Type: ApplicationFiled: July 7, 2010Publication date: October 28, 2010Applicant: Pfizer Inc.Inventors: Yasuhiro Katsu, Satoru Iguchi, Hiroki Sone, Chikara Uchida, Takashi Kojima
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Patent number: 7776885Abstract: This invention provides a compound of the formula (I): or a pharmaceutically acceptable salt thereof, and compositions containing such compounds and the use of such compounds for the manufacture of medicament for gastroesophageal reflux disease, gastrointestinal disease, gastric motility disorder, non-ulcer dyspepsia, functional dyspepsia, irritable bowel syndrome (IBS), constipation, dyspepsia, esophagitis, gastroesophageral disease, nausea, central nervous system disease, Alzheimer's disease, cognitive disorder, emesis, migraine, neurological disease, pain, cardiovascular disorders, cardiac failure, heart arrhythmia, diabetes and apnea syndrome. These compounds have 5-HT4 receptor agonistic activity, and thus are useful for the treatment of gastroesophageal reflux disease, non-ulcer dyspepsia, functional dyspepsia, irritable bowel syndrome or the like in mammalian, especially humans.Type: GrantFiled: September 2, 2004Date of Patent: August 17, 2010Assignee: Pfizer, Inc.Inventors: Yasuhiro Katsu, Satoru Iguchi, Hiroki Sone, Chikara Uchida, Takashi Kojima
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Patent number: 7737163Abstract: This invention relates to compounds of the formula (I): wherein R1, R2, R3, A and m are each as described herein or a pharmaceutically acceptable salt or solvate thereof, and compositions containing such compounds and the use of such compounds in the treatment of a condition mediated by 5-HT4 receptor activity such as, but not limited to, gastroesophageal reflux disease, gastrointestinal disease, gastric motility disorder, non-ulcer dyspepsia, functional dyspepsia, irritable bowel syndrome (IBS), constipation, dyspepsia, esophagitis, gastroesophageral disease, nausea, central nervous system disease, Alzheimer's disease, cognitive disorder, emesis, migraine, neurological disease, pain, cardiovascular disorders such as cardiac failure and heart arrhythmia, diabetes and apnea syndrome.Type: GrantFiled: June 14, 2005Date of Patent: June 15, 2010Assignee: Pfizer Inc.Inventors: Koji Ando, Satoru Iguchi, Noriaki Murase, Yoshinori Murata, Toyoharu Numata, Hiroki Sone, Chikara Uchida, Tatsuo Ueki
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Patent number: 7595329Abstract: This invention relates to compounds of the formula (I): wherein R1, R2, R3, A and m are each as described herein or a pharmaceutically acceptable salt or solvate thereof, and compositions containing such compounds and the use of such compounds in the treatment of a condition mediated by 5-HT4 receptor activity such as, but not limited to, gastroesophageal reflux disease, gastrointestinal disease, gastric motility disorder, non-ulcer dyspepsia, functional dyspepsia, irritable bowel syndrome (IBS), constipation, dyspepsia, esophagitis, gastroesophageral disease, nausea, central nervous system disease, Alzheimer's disease, cognitive disorder, emesis, migraine, neurological disease, pain, cardiovascular disorders such as cardiac failure and heart arrhythmia, diabetes and apnea syndrome.Type: GrantFiled: June 14, 2005Date of Patent: September 29, 2009Assignee: Pfizer IncInventors: Koji Ando, Satoru Iguchi, Noriaki Murase, Yoshinori Murata, Toyoharu Numata, Hiroki Sone, Chikara Uchida, Tatsuo Ueki
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Publication number: 20090086226Abstract: An image forming system supplied capable of keeping a high thruput when performing a background pattern data print (e.g. Anoto print). The image forming system comprises a color image processing apparatus and a color image forming apparatus that is connected with the color image processing apparatus, wherein the color image processing apparatus has a color changing section that uses one of CMYK values to designate background pattern data when performing a CMYK change with respect to color image data generated in the color image processing apparatus; wherein the color image forming apparatus has an image forming section that receives the color image data that has been performed by the CMYK change and the background pattern data that has been designated by one of CMYK values from the color image processing apparatus, and compounds the both data to form an color image.Type: ApplicationFiled: September 26, 2008Publication date: April 2, 2009Applicant: OKI DATA CORPORATIONInventors: Satoru IGUCHI, Katsuyoshi Yamanouchi, Kazuyuki Yamada
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Publication number: 20080108660Abstract: This invention relates to compounds of the formula (I): wherein R1, R2, R3, A and m are each as described herein or a pharmaceutically acceptable salt or solvate thereof, and compositions containing such compounds and the use of such compounds in the treatment of a condition mediated by 5-HT4 receptor activity such as, but not limited to, gastroesophageal reflux disease, gastrointestinal disease, gastric motility disorder, non-ulcer dyspepsia, functional dyspepsia, irritable bowel syndrome (IBS), constipation, dyspepsia, esophagitis, gastroesophageal disease, nausea, central nervous system disease, Alzheimer's disease, cognitive disorder, emesis, migraine, neurological disease, pain, cardiovascular disorders such as cardiac failure and heart arrhythmia, diabetes and apnea syndrome.Type: ApplicationFiled: January 9, 2008Publication date: May 8, 2008Inventors: Koji Ando, Satoru Iguchi, Noriaki Murase, Yoshinori Murata, Toyoharu Numata, Hiroki Sone, Chikara Uchida, Tatsuo Ueki
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Patent number: 7012080Abstract: This invention provides a compound of the formula (I): or a pharmaceutically acceptable salt thereof, wherein R1 represents a hydrogen atom or a halogen atom; R2 represents a methyl group or an ethyl group; R3 represents a branched alkyl group having from 3 to 6 carbon atoms or an alkyl group having from 3 to 6 carbon atoms substituted by an alkoxy group having from 1 to 6 carbon atoms; with the proviso that when the terminal carbon atom of said alkyl group of R3 is substituted by said alkoxy group, said alkyl group is a branched alkyl group. These compounds have 5-HT4 receptor binding activity, and thus are useful for the treatment of gastroesophageal reflux disease, non-ulcer dyspepsia, functional dyspepsia, irritable bowel syndrome or the like in mammalian, especially humans. This invention also provides a pharmaceutical composition comprising the above compound.Type: GrantFiled: September 17, 2003Date of Patent: March 14, 2006Assignee: Pfizer Inc.Inventors: Satoru Iguchi, Yasuhiro Katsu, Kana Kon-I, Hirohide Noguchi, Chikara Uchida
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Publication number: 20050277673Abstract: This invention relates to compounds of the formula (I): wherein R1, R2, R3, A and m are each as described herein or a pharmaceutically acceptable salt or solvate thereof, and compositions containing such compounds and the use of such compounds in the treatment of a condition mediated by 5-HT4 receptor activity such as, but not limited to, gastroesophageal reflux disease, gastrointestinal disease, gastric motility disorder, non-ulcer dyspepsia, functional dyspepsia, irritable bowel syndrome (IBS), constipation, dyspepsia, esophagitis, gastroesophageral disease, nausea, central nervous system disease, Alzheimer's disease, cognitive disorder, emesis, migraine, neurological disease, pain, cardiovascular disorders such as cardiac failure and heart arrhythmia, diabetes and apnea syndrome.Type: ApplicationFiled: June 14, 2005Publication date: December 15, 2005Inventors: Koji Ando, Satoru Iguchi, Noriaki Murase, Yoshinori Murata, Toyoharu Numata, Hiroki Sone, Chikara Uchida, Tatsuo Ueki