Patents by Inventor Kazuaki Takami
Kazuaki Takami 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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Patent number: 11970483Abstract: The present invention aims to provide a compound that may be useful for the prophylaxis or treatment of constipation and the like. The present invention provides a compound represented by the formula (I): wherein R1 is a hydrogen atom, a halogen atom, an optionally substituted C1-6 alkyl group, or an optionally substituted C1-6 alkoxy group; and ring A is an optionally further substituted ring, or a salt thereof.Type: GrantFiled: September 27, 2019Date of Patent: April 30, 2024Assignee: Takeda Pharmaceutical Company LimitedInventors: Shinobu Sasaki, Yasutomi Asano, Kazuaki Takami, Masaki Seto, Haruhi Ando
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Publication number: 20230357220Abstract: Abstract: The present invention refers to compounds of formula (I). The present invention also relates to compounds of formula (I) for use as G Protein coupled Receptor 139 (GPR139) antagonists in methods of medical treatment of e.g. depression, Alzheimer’s disease, schizophrenia, drug addiction, sleep disorders, pain, and attention deficit hyperactivity disorder. Exemplary compounds are e.g. 3-((1H-pyrazol-4-yl)methyl)-6?-(phenyl)-2H-(1,2?-bipyridin)-2-one derivatives and related compounds. The present description discloses the synthesis and characterisation of exemplary compounds, pharmacological data thereof, as well as exemplary tablet formulations comprising the compounds of the invention (e.g. page 83 to page 110; examples 1 to 33; reference example 1; test examples 1 and 2; tables 1 to 4).Type: ApplicationFiled: May 20, 2021Publication date: November 9, 2023Inventors: Tomoaki HASUI, Satoshi MIKAMI, JR., Toru YAMASHITA, Shinji NAKAMURA, Shinji MORIMOTO, Toshihiro IMAEDA, Kazuaki TAKAMI, Masaki DAINI, Hiroyuki KAKEI, Minoru NAKAMURA, Fumie YAMAGUCHI, Chunxiang WANG, Sachie TAKASHIMA, Makoto KAMATA, Yuya OGURO, Shuhei IKEDA
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Publication number: 20230348435Abstract: The present invention refers to compounds of formula (I). The present invention also relates to compounds of formula (I) for use as G Protein coupled Receptor 139 (GPR139) antagonists in methods of medical treatment of e.g. depression, Alzheimer's disease schizophrenia, drug addiction, sleep disorders, pain, and attention deficit hyperactivity disorder. Exemplary compounds are e.g. 1-(OH-pyrazol-4-yl)methyl)-3-(phenyl)-1,3-dihydro-2H-imidazol-2-one derivatives and related compounds. The present description discloses the synthesis and characterisation of exemplary compounds, pharmacological data thereof, as well as exemplary tablet formulations comprising the compounds of the invention (e.g. page 100 to page 143; examples 1 to 167; test examples 1 and 2; tables 1 to 4).Type: ApplicationFiled: May 20, 2021Publication date: November 2, 2023Inventors: Tomoaki HASUI, Satoshi MIKAMI, Toru YAMASHITA, Shinji NAKAMURA, Shinji MORIMOTO, Toshihiro IMAEDA, Kazuaki TAKAMI, Masaki DAINI, Hiroyuki KAKEI, Minoru NAKAMURA, Fumie YAMAGUCHI, Chunxiang WANG, Sachie TAKASHIMA, Shogo HASHIZUME
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Publication number: 20230303541Abstract: The present invention aims to provide a compound that may be useful for the prophylaxis or treatment of constipation and the like. The present invention provides a compound represented by the following formula (I): wherein each symbol is as described in the specification, or a salt thereof.Type: ApplicationFiled: December 14, 2022Publication date: September 28, 2023Applicant: Takeda Pharmaceutical Company LimitedInventors: Shinobu SASAKI, Masaki SETO, Kazuaki TAKAMI, Haruhi ANDO
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Patent number: 11702419Abstract: The present invention provides a heterocyclic compound having an antagonistic action on an NMDA receptor containing the NR2B subunit, and expected to be useful as an agent for the prophylaxis or treatment of major depression, bipolar disorder, migraine, pain, behavioral and psychological symptoms of dementia and the like. The present invention relates to a compound represented by the formula (I): wherein each symbol is as described in the description, or a salt thereof.Type: GrantFiled: March 15, 2021Date of Patent: July 18, 2023Assignee: Takeda Pharmaceutical Company LimitedInventors: Yuya Oguro, Shigemitsu Matsumoto, Takeshi Wakabayashi, Norihito Tokunaga, Taku Kamei, Mitsuhiro Ito, Satoshi Mikami, Masaki Seto, Shinji Morimoto, Shinji Nakamura, Sachie Takashima, Masataka Murakami, Masaki Daini, Makoto Kamata, Minoru Nakamura, Yasufumi Wada, Hiroyuki Kakei, Kazuaki Takami, Taisuke Tawaraishi, Jumpei Aida, Kouichi Iwanaga, Satoshi Yamamoto
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Patent number: 11560372Abstract: The present invention aims to provide a compound that may be useful for the prophylaxis or treatment of constipation and the like. The present invention provides a compound represented by the following formula (I): wherein each symbol is as described in the specification, salt thereof.Type: GrantFiled: April 17, 2018Date of Patent: January 24, 2023Assignee: Takeda Pharmaceutical Company LimitedInventors: Shinobu Sasaki, Masaki Seto, Kazuaki Takami, Haruhi Ando
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Patent number: 11459325Abstract: The present invention provides a compound having a glucosylceramide lowering action (e.g., promoting glucosylceramide metabolism, inhibition of glucosylceramide synthesis, promoting glucosylceramide catabolism, etc.), which is expected to be useful as an agent for the prophylaxis or treatment of lysosome diseases (e.g., Gaucher's disease), neurodegenerative diseases (e.g., Parkinson's disease, Lewy body dementia, multiple-system atrophy) and the like. The present invention relates to a compound represented by the formula (I): wherein each symbol is as described in the specification, or a salt thereof.Type: GrantFiled: January 30, 2019Date of Patent: October 4, 2022Assignee: Takeda Pharmaceutical Company LimitedInventors: Yuta Tanaka, Tomohiro Ohashi, Zenichi Ikeda, Yuta Tanaka, Florian Pünner, Takeshi Yamamoto, Keiko Kakegawa, Fumiaki Kikuchi, Nao Morishita, Takahito Kasahara, Masaki Seto, Minoru Nakamura, Kazuaki Takami, Masataka Murakami, Masaki Daini, Satoshi Mikami, Minoru Sasaki
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Publication number: 20220289679Abstract: The present invention provides a compound having a glucosylceramide synthase inhibitory action, which is expected to be useful as an agent for the prophylaxis or treatment of lysosomal storage diseases (e.g., Gaucher's disease, Fabry's disease, GM1-gangliosidosis, GM2 activator deficiency, Tay-Sachs disease, Sandhoffs disease), neurodegenerative diseases (e.g., Parkinson's disease, Lewy body dementia, multiple-system atrophy) and the like. The present invention relates to a compound represented by the formula (I): wherein each symbol is as described in the description, or a salt thereof.Type: ApplicationFiled: July 28, 2020Publication date: September 15, 2022Applicant: Takeda Pharmaceutical Company LimitedInventors: Yuta TANAKA, Yuta TANAKA, Keiko KAKEGAWA, Takahito KASAHARA, Fumiaki KIKUCHI, Takeshi YAMAMOTO, Tomohiro OHASHI, Zenichi IKEDA, Florian PUENNER, Minoru NAKAMURA, Kazuaki TAKAMI, Masataka MURAKAMI, Masaki DAINI, Masaki SETO, Satoshi MIKAMI, Minoru SASAKI
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Publication number: 20220274982Abstract: The present invention provides a compound having a glucosylceramide synthase inhibitory action, which is expected to be useful as an agent for the prophylaxis or treatment of lysosomal storage diseases (e.g., Gaucher's disease, Fabry's disease, GM1-gangliosidosis, GM2 activator deficiency, Tay-Sachs disease, Sandhoffs disease), neurodegenerative diseases (e.g., Parkinson's disease, Lewy body dementia, multiple-system atrophy) and the like. The present invention relates to a compound represented by the formula (I): wherein each symbol is as described in the description, or a salt thereof.Type: ApplicationFiled: July 28, 2020Publication date: September 1, 2022Applicant: Takeda Pharmaceutical Company LimitedInventors: Yuta TANAKA, Yuta TANAKA, Fumiaki KIKUCHI, Takeshi YAMAMOTO, Minoru NAKAMURA, Kazuaki TAKAMI, Masataka MURAKAMI, Masaki DAINI, Yasufumi WADA, Keiko KAKEGAWA, Takahito KASAHARA, Tomohiro OHASHI, Junsi WANG, Zenichi IKEDA, Florian PUENNER, Masaki SETO, Satoshi MIKAMI, Minoru SASAKI
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Patent number: 11407748Abstract: The present invention aims to provide a heterocyclic compound having an AMPA receptor potentiator effect, which is expected to be useful as an agent for the prophylaxis or treatment of depression, Alzheimer's disease, schizophrenia, attention deficit hyperactivity disorder (ADHD) and the like. The present invention relates to a compound represented by the formula (I): wherein each symbol is as described in the specification, or a salt thereof.Type: GrantFiled: October 4, 2018Date of Patent: August 9, 2022Assignee: Takeda Pharmaceutical Company LimitedInventors: Shinji Nakamura, Satoshi Mikami, Tomoaki Hasui, Tohru Yamashita, Shinji Morimoto, Hidekazu Tokuhara, Norio Oyabu, Masami Yamada, Atsuko Ochida, Kazuaki Takami, Xin Liu
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Publication number: 20220041581Abstract: The present invention aims to provide a compound that may be useful for the prophylaxis or treatment of constipation and the like. The present invention provides a compound represented by the formula (I): wherein each symbol is as described in the specification, or a salt thereof.Type: ApplicationFiled: September 27, 2019Publication date: February 10, 2022Applicant: Takeda Pharmaceutical Company LimitedInventors: Shinobu SASAKI, Yasutomi ASANO, Hironobu MAEZAKI, Ayumu SATO, Kazuaki TAKAMI, Masaki SETO, Haruhi ANDO, Shuji KITAMURA, Steve L. SWANN
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Patent number: 11236099Abstract: The present invention aims to provide a compound that may be useful for the prophylaxis or treatment of constipation and the like. The present invention provides a compound represented by the following formula (I): wherein each symbol is as described in the specification, or a salt thereof.Type: GrantFiled: June 19, 2018Date of Patent: February 1, 2022Assignee: Takeda Pharmaceutical Company LimitedInventors: Kazuaki Takami, Masaki Seto, Shinobu Sasaki, Haruhi Ando, Masaki Ogino, Tomoko Ohashi, Toshihiro Imaeda, Ikuo Fujimori, Yasuhiro Tsukimi, Masami Yamada, Kenichiro Shimokawa, Takeshi Wakabayashi, Masataka Murakami, Makoto Fushimi, Tomohiro Okawa, Jinichi Yonemori, Tomohiro Ohashi, Hideo Suzuki, Hironobu Maezaki, Ayumu Sato, Yasutomi Asano, Steve Swann
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Publication number: 20220017530Abstract: The present invention aims to provide a compound that may be useful for the prophylaxis or treatment of constipation and the like. The present invention provides a compound represented by the following formula (I): wherein each symbol is as described in the specification, or a salt thereof.Type: ApplicationFiled: September 15, 2021Publication date: January 20, 2022Applicant: Takeda Pharmaceutical Company LimitedInventors: Kazuaki Takami, Masaki Seto, Shinobu Sasaki, Haruhi Ando, Masaki Ogino, Tomoko Ohashi, Toshihiro Imaeda, Ikuo Fujimori, Yasuhiro Tsukimi, Masami Yamada, Kenichiro Shimokawa, Takeshi Wakabayashi, Masataka Murakami, Makoto Fushimi, Tomohiro Okawa, Jinichi Yonemori, Tomohiro Ohashi, Hideo Suzuki, Hironobu Maezaki, Ayumu Sato, Yasutomi Asano, Steve Swann
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Publication number: 20210380565Abstract: The present invention aims to provide a compound that may be useful for the prophylaxis or treatment of constipation and the like. The present invention provides a compound represented by the formula (I): wherein R1 is a hydrogen atom, a halogen atom, an optionally substituted C1-6 alkyl group, or an optionally substituted C1-6 alkoxy group; and ring A is an optionally further substituted ring, or a salt thereof.Type: ApplicationFiled: September 27, 2019Publication date: December 9, 2021Applicant: Takeda Pharmaceutical Company LimitedInventors: Shinobu SASAKI, Yasutomi ASANO, Kazuaki TAKAMI, Masaki SETO, Haruhi ANDO
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Patent number: 11186565Abstract: Provided is a novel aromatic ring compound which may have a GPR40 agonist activity and a GLP-1 secretagogue action. A compound represented by the formula (I): wherein each symbol is as described in the DESCRIPTION, or a salt thereof may have a GPR40 agonist activity and a GLP-1 secretagogue action, may be useful for the prophylaxis or treatment of cancer, obesity, diabetes, hypertension, hyperlipidemia, cardiac failure, diabetic complications, metabolic syndrome, sarcopenia and the like, and may afford superior efficacy.Type: GrantFiled: March 29, 2018Date of Patent: November 30, 2021Assignee: TAKEDA PHARMACEUTICAL COMPANY LIMITEDInventors: Seiji Miwatashi, Yasufumi Miyamoto, Koji Watanabe, Yayoi Nakayama, Yuko Hitomi, Jumpei Aida, Nobuyuki Takakura, Hideki Furukawa, Naoyoshi Noguchi, Yasuhiro Hirata, Kazuaki Takami, Norihito Tokunaga, Tomohiro Okawa, Akito Shibuya, Shizuo Kasai, Toshitake Kobayashi, Tsuyoshi Maekawa
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Publication number: 20210340114Abstract: Provided is a heterocyclic compound having a superior RBP4-lowering action and useful as a medicament for the prophylaxis or treatment of a disease or symptom mediated by an increase in RBP4 or retinol supplied by RBP4. A compound represented by the formula (I): wherein each symbol is as defined in the Description, or a salt thereof has a superior RBP4-lowering action, and is useful as a medicament for the prophylaxis or treatment of a disease or symptom mediated by an increase in RBP4 or retinol supplied by RBP4.Type: ApplicationFiled: April 9, 2021Publication date: November 4, 2021Applicant: TAKEDA PHARMACEUTICAL COMPANY LIMITEDInventors: Yoshihiro Banno, Masahiro Kamaura, Kazuaki Takami, Koichiro Fukuda, Shigekazu Sasaki
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Publication number: 20210332053Abstract: The present invention provides a heterocyclic compound having an antagonistic action on an NMDA receptor containing the NR2B subunit, and expected to be useful as an agent for the prophylaxis or treatment of major depression, bipolar disorder, migraine, pain, behavioral and psychological symptoms of dementia and the like. The present invention relates to a compound represented by the formula (I): wherein each symbol is as described in the description, or a salt thereof.Type: ApplicationFiled: March 15, 2021Publication date: October 28, 2021Applicant: Takeda Pharmaceutical Company LimitedInventors: Yuya OGURO, Shigemitsu MATSUMOTO, Takeshi WAKABAYASHI, Norihito TOKUNAGA, Taku KAMEI, Mitsuhiro ITO, Satoshi MIKAMI, Masaki SETO, Shinji MORIMOTO, Shinji NAKAMURA, Sachie TAKASHIMA, Masataka MURAKAMI, Masaki DAINI, Makoto KAMATA, Minoru NAKAMURA, Yasufumi WADA, Hiroyuki KAKEI, Kazuaki TAKAMI, Taisuke TAWARAISHI, Jumpei AIDA, Kouichi IWANAGA, Satoshi YAMAMOTO
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Publication number: 20210292308Abstract: The present invention aims to provide a compound that may be useful for the prophylaxis or treatment of constipation and the like. The present invention provides a compound represented by the following formula (I): wherein each symbol is as described in the specification, salt thereof.Type: ApplicationFiled: April 17, 2018Publication date: September 23, 2021Inventors: Shinobu SASAKI, Masaki SETO, Kazuaki TAKAMI, Haruhi ANDO
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Publication number: 20210139491Abstract: The present invention aims to provide a compound that may be useful for the prophylaxis or treatment of constipation and the like. The present invention provides a compound represented by the following formula (I): wherein each symbol is as described in the specification, or a salt thereof.Type: ApplicationFiled: June 19, 2018Publication date: May 13, 2021Inventors: Kazuaki TAKAMI, Masaki SETO, Shinobu SASAKI, Haruhi ANDO, Masaki OGINO, Tomoko OHASHI, Toshihiro IMAEDA, Ikuo FUJIMORI, Yasuhiro TSUKIMI, Masami YAMADA, Kenichiro SHIMOKAWA, Takeshi WAKABAYASHI, Masataka MURAKAMI, Makoto FUSHIMI, Tomohiro OKAWA, Jinichi YONEMORI, Tomohiro OHASHI, Hideo SUZUKI, Hironobu MAEZAKI, Ayumu SATO, Yasutomi ASANO, Steve SWANN
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Patent number: 10975043Abstract: Provided is a heterocyclic compound having a superior RBP4-lowering action and useful as a medicament for the prophylaxis or treatment of a disease or symptom mediated by an increase in RBP4 or retinol supplied by RBP4. A compound represented by the formula (I): wherein each symbol is as defined in the Description, or a salt thereof has a superior RBP4-lowering action, and is useful as a medicament for the prophylaxis or treatment of a disease or symptom mediated by an increase in RBP4 or retinol supplied by RBP4.Type: GrantFiled: January 27, 2020Date of Patent: April 13, 2021Assignee: TAKEDA PHARMACEUTICAL COMPANY LIMITEDInventors: Yoshihiro Banno, Masahiro Kamaura, Kazuaki Takami, Koichiro Fukuda, Shigekazu Sasaki