Patents by Inventor Takahiro Tomoyasu
Takahiro Tomoyasu 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: 20180258038Abstract: The present invention provides a pyrrolidine compound of General Formula (1) or a salt thereof, wherein R101 and R102 are each independently a phenyl group or a pyridyl group, the phenyl group or the pyridyl group may have one or more substituents selected from halogen atoms and lower alkyl groups optionally substituted with one or more halogen atoms, etc. The pyrrolidine compound or a salt thereof of the present invention is usable to produce a pharmaceutical preparation having a wider therapeutic spectrum and being capable of exhibiting sufficient therapeutic effects after short-term administration.Type: ApplicationFiled: May 9, 2018Publication date: September 13, 2018Applicant: OTSUKA PHARMACEUTICAL CO., LTD.Inventors: Muneaki KURIMURA, Shinichi TAIRA, Takahiro TOMOYASU, Nobuaki ITO, Kuninori TAI, Noriaki TAKEMURA, Takayuki MATSUZAKI, Yasuhiro MENJO, Shin MIYAMURA, Yohji SAKURAI, Akihito WATANABE, Yasuyo SAKATA, Takumi MASUMOTO, Kohei AKAZAWA, Haruhiko SUGINO, Naoki AMADA, Satoshi OHASHI, Tomoichi SHINOHARA, Hirofumi SASAKI, Chisako MORITA, Junko YAMASHITA, Satoko NAKAJIMA
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Patent number: 10000450Abstract: The present invention provides a pyrrolidine compound of General Formula (1) or a salt thereof, wherein R101 and R102 are each independently a phenyl group or a pyridyl group, the phenyl group or the pyridyl group may have one or more substituents selected from halogen atoms and lower alkyl groups optionally substituted with one or more halogen atoms, etc. The pyrrolidine compound or a salt thereof of the present invention is usable to produce a pharmaceutical preparation having a wider therapeutic spectrum and being capable of exhibiting sufficient therapeutic effects after short-term administration.Type: GrantFiled: February 16, 2017Date of Patent: June 19, 2018Assignee: OTSUKA PHARMACEUTICAL CO., LTD.Inventors: Muneaki Kurimura, Shinichi Taira, Takahiro Tomoyasu, Nobuaki Ito, Kuninori Tai, Noriaki Takemura, Takayuki Matsuzaki, Yasuhiro Menjo, Shin Miyamura, Yohji Sakurai, Akihito Watanabe, Yasuyo Sakata, Takumi Masumoto, Kohei Akazawa, Haruhiko Sugino, Naoki Amada, Satoshi Ohashi, Tomoichi Shinohara, Hirofumi Sasaki, Chisako Morita, Junko Yamashita, Satoko Nakajima
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Publication number: 20170166524Abstract: The present invention provides a pyrrolidine compound of General Formula (1) or a salt thereof, wherein R101 and R102 are each independently a phenyl group or a pyridyl group, the phenyl group or the pyridyl group may have one or more substituents selected from halogen atoms and lower alkyl groups optionally substituted with one or more halogen atoms, etc. The pyrrolidine compound or a salt thereof of the present invention is usable to produce a pharmaceutical preparation having a wider therapeutic spectrum and being capable of exhibiting sufficient therapeutic effects after short-term administration.Type: ApplicationFiled: February 16, 2017Publication date: June 15, 2017Applicant: OTSUKA PHARMACEUTICAL CO., LTD.Inventors: Muneaki KURIMURA, Shinichi TAIRA, Takahiro TOMOYASU, Nobuaki ITO, Kuninori TAI, Noriaki TAKEMURA, Takayuki MATSUZAKI, Yasuhiro MENJO, Shin MIYAMURA, Yohji SAKURAI, Akihito WATANABE, Yasuyo SAKATA, Takumi MASUMOTO, Kohei AKAZAWA, Haruhiko SUGINO, Naoki AMADA, Satoshi OHASHI, Tomoichi SHINOHARA, Hirofumi SASAKI, Chisako MORITA, Junko YAMASHITA, Satoko NAKAJIMA
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Patent number: 9611214Abstract: The present invention provides a pyrrolidine compound of General Formula (1) or a salt thereof, wherein R101 and R102 are each independently a phenyl group or a pyridyl group, the phenyl group or the pyridyl group may have one or more substituents selected from halogen atoms and lower alkyl groups optionally substituted with one or more halogen atoms, etc. The pyrrolidine compound or a salt thereof of the present invention is usable to produce a pharmaceutical preparation having a wider therapeutic spectrum and being capable of exhibiting sufficient therapeutic effects after short-term administration.Type: GrantFiled: June 10, 2014Date of Patent: April 4, 2017Assignee: OTSUKA PHARMACEUTICAL CO., LTD.Inventors: Muneaki Kurimura, Shinichi Taira, Takahiro Tomoyasu, Nobuaki Ito, Kuninori Tai, Noriaki Takemura, Takayuki Matsuzaki, Yasuhiro Menjo, Shin Miyamura, Yohji Sakurai, Akihito Watanabe, Yasuyo Sakata, Takumi Masumoto, Kohei Akazawa, Haruhiko Sugino, Naoki Amada, Satoshi Ohashi, Tomoichi Shinohara, Hirofumi Sasaki, Chisako Morita, Junko Yamashita, Satoko Nakajima
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Patent number: 9073868Abstract: The present invention provides a benzazepine compound that can maintain for a long period of time the blood level of tolvaptan enabling to provide the desired pharmaceutical effects. The benzazepine compound of the present invention is represented by general formula (1) wherein R1 represents a —CO—(CH2)n—COR2 group (wherein n is an integer of 1 to 4, and R2 is (2-1) a hydroxy group; (2-2) a lower alkoxy group optionally substituted with a hydroxy group, a lower alkanoyl group, a lower alkanoyloxy group, a lower alkoxycarbonyloxy group, a cycloalkyloxycarbonyloxy group, or 5 -methyl-2-oxo-1,3-dioxol-4-yl; or (2-3) an amino group optionally substituted with a hydroxy-lower alkyl group), or the like.Type: GrantFiled: September 24, 2013Date of Patent: July 7, 2015Assignee: OTSUKA PHARMACEUTICAL CO., LTD.Inventors: Kazumi Kondo, Yasuhiro Menjo, Takahiro Tomoyasu, Shin Miyamura, Yuso Tomohira, Takakuni Matsuda, Keigo Yamada, Yusuke Kato
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Patent number: 8993536Abstract: A low-molecular-weight polysulfated hyaluronic acid derivative useful for treatment of an allergic disease. An agent for treatment of an allergic disease selected from pollinosis, allergic rhinitis, allergic conjunctivitis, atopic dermatitis, and asthma, represented by the following general formula (IA) or (IB); wherein n represents a number of 0 to 15; R's each independently represent a hydrogen atom or an SO3H group etc.Type: GrantFiled: February 1, 2010Date of Patent: March 31, 2015Assignees: Otsuka Chemical Co., Ltd., Otsuka Pharmaceutical Co., Ltd.Inventors: Kazuaki Kakehi, Hiroaki Asai, Naohiro Hayashi, Satoshi Shimizu, Fumitaka Goto, Yasuo Koga, Takahiro Tomoyasu, Takao Taki, Yusuke Kato, Satoru Nakazato, Junji Takaba, Atsushi Azuma, Wakako Hirano, Kazunari Izumi, Minoru Kashimoto, Yoko Sakamoto, Takashi Hayashi, Masaru Nishida
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Publication number: 20140288065Abstract: The present invention provides a pyrrolidine compound of General Formula (1) or a salt thereof, wherein R101 and R102 are each independently a phenyl group or a pyridyl group, the phenyl group or the pyridyl group may have one or more substituents selected from halogen atoms and lower alkyl groups optionally substituted with one or more halogen atoms, etc. The pyrrolidine compound or a salt thereof of the present invention is usable to produce a pharmaceutical preparation having a wider therapeutic spectrum and being capable of exhibiting sufficient therapeutic effects after short-term administration.Type: ApplicationFiled: June 10, 2014Publication date: September 25, 2014Applicant: OTSUKA PHARMACEUTICAL CO., LTD.Inventors: Muneaki KURIMURA, Shinichi TAIRA, Takahiro TOMOYASU, Nobuaki ITO, Kuninori TAI, Noriaki TAKEMURA, Takayuki MATSUZAKI, Yasuhiro MENJO, Shin MIYAMURA, Yohji SAKURAI, Akihito WATANABE, Yasuyo SAKATA, Takumi MASUMOTO, Kohei AKAZAWA, Haruhiko SUGINO, Naoki AMADA, Satoshi OHASHI, Tomoichi SHINOHARA, Hirofumi SASAKI, Chisako MORITA, Junko YAMASHITA, Satoko NAKAJIMA
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Patent number: 8815871Abstract: The present invention provides a pyrrolidine compound of General Formula (1) or a salt thereof, wherein R101 and R102 are each independently a phenyl group or a pyridyl group, the phenyl group or the pyridyl group may have one or more substituents selected from halogen atoms and lower alkyl groups optionally substituted with one or more halogen atoms, etc. The pyrrolidine compound or a salt thereof of the present invention is usable to produce a pharmaceutical preparation having a wider therapeutic spectrum and being capable of exhibiting sufficient therapeutic effects after short-term administration.Type: GrantFiled: March 11, 2013Date of Patent: August 26, 2014Assignee: Otsuka Pharmaceutical Co., Ltd.Inventors: Muneaki Kurimura, Shinichi Taira, Takahiro Tomoyasu, Nobuaki Ito, Kuninori Tai, Noriaki Takemura, Takayuki Matsuzaki, Yasuhiro Menjo, Shin Miyamura, Yohji Sakurai, Akihito Watanabe, Yasuyo Sakata, Takumi Masumoto, Kohei Akazawa, Haruhiko Sugino, Naoki Amada, Satoshi Ohashi, Tomoichi Shinohara, Hirofumi Sasaki, Chisako Morita, Junko Yamashita, Satoko Nakajima
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Patent number: 8785386Abstract: The present invention provides a benzazepine compound that can maintain for a long period of time the blood level of tolvaptan enabling to provide the desired pharmaceutical effects. The benzazepine compound of the present invention is represented by general formula (1) wherein R1 represents a —CO—(CH2)n—COR2 group (wherein n is an integer of 1 to 4, and R2 is (2-1) a hydroxy group; (2-2) a lower alkoxy group optionally substituted with a hydroxy group, a lower alkanoyl group, a lower alkanoyloxy group, a lower alkoxycarbonyloxy group, a cycloalkyloxycarbonyloxy group, or 5-methyl-2-oxo-1,3-dioxol-4-yl; or (2-3) an amino group optionally substituted with a hydroxy-lower alkyl group), or the like.Type: GrantFiled: September 24, 2013Date of Patent: July 22, 2014Assignee: Otsuka Pharmaceutical Co., Ltd.Inventors: Kazumi Kondo, Yasuhiro Menjo, Takahiro Tomoyasu, Shin Miyamura, Yuso Tomohira, Takakuni Matsuda, Keigo Yamada, Yusuke Kato
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Patent number: 8669229Abstract: The present invention provides a benzazepine compound that can maintain for a long period of time the blood level of tolvaptan enabling to provide the desired pharmaceutical effects. The benzazepine compound of the present invention is represented by general formula (1) wherein R1 represents a —CO—(CH2)n—COR2 group (wherein n is an integer of 1 to 4, and R2 is (2-1) a hydroxy group; (2-2) a lower alkoxy group optionally substituted with a hydroxy group, a lower alkanoyl group, a lower alkanoyloxy group, a lower alkoxycarbonyloxy group, a cycloalkyloxycarbonyloxy group, or 5-methyl-2-oxo-1,3-dioxo-4-yl; or (2-3) an amino group optionally substituted with a hydroxy-lower alkyl group), or the like.Type: GrantFiled: June 26, 2008Date of Patent: March 11, 2014Assignee: Otsuka Pharmaceutical Co., Ltd.Inventors: Kazumi Kondo, Yasuhiro Menjo, Takahiro Tomoyasu, Shin Miyamura, Yuso Tomohira, Takakuni Matsuda, Keigo Yamada, Yusuke Kato
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Publication number: 20140024619Abstract: The present invention provides a benzazepine compound that can maintain for a long period of time the blood level of tolvaptan enabling to provide the desired pharmaceutical effects. The benzazepine compound of the present invention is represented by general formula (1) wherein R1 represents a —CO—(CH2)n—COR2 group (wherein n is an integer of 1 to 4, and R2 is (2-1) a hydroxy group; (2-2) a lower alkoxy group optionally substituted with a hydroxy group, a lower alkanoyl group, a lower alkanoyloxy group, a lower alkoxycarbonyloxy group, a cycloalkyloxycarbonyloxy group, or 5-methyl-2-oxo-1,3-dioxol-4-yl; or (2-3) an amino group optionally substituted with a hydroxy-lower alkyl group), or the like.Type: ApplicationFiled: September 24, 2013Publication date: January 23, 2014Applicant: Otsuka Pharmaceutical Co., Ltd.Inventors: Kazumi KONDO, Yasuhiro MENJO, Takahiro TOMOYASU, Shin MIYAMURA, Yuso TOMOHIRA, Takakuni MATSUDA, Keigo YAMADA, Yusuke KATO
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Publication number: 20140024640Abstract: The present invention provides a benzazepine compound that can maintain for a long period of time the blood level of tolvaptan enabling to provide the desired pharmaceutical effects. The benzazepine compound of the present invention is represented by general formula (1) wherein R1 represents a —CO—(CH2)n—COR2 group (wherein n is an integer of 1 to 4, and R2 is (2-1) a hydroxy group; (2-2) a lower alkoxy group optionally substituted with a hydroxy group, a lower alkanoyl group, a lower alkanoyloxy group, a lower alkoxycarbonyloxy group, a cycloalkyloxycarbonyloxy group, or 5-methyl-2-oxo-1,3-dioxol-4-yl; or (2-3) an amino group optionally substituted with a hydroxy-lower alkyl group), or the like.Type: ApplicationFiled: September 24, 2013Publication date: January 23, 2014Applicant: OTSUKA PHARMACEUTICAL CO., LTD.Inventors: Kazumi KONDO, Yasuhiro MENJO, Takahiro TOMOYASU, Shin MIYAMURA, Yuso TOMOHIRA, Takakuni MATSUDA, Keigo YAMADA, Yusuke KATO
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Patent number: 8420623Abstract: The present invention provides a pyrrolidine compound of General Formula (1) or a salt thereof, wherein R101 and R102 are each independently a phenyl group or a pyridyl group, the phenyl group or the pyridyl group may have one or more substituents selected from halogen atoms and lower alkyl groups optionally substituted with one or more halogen atoms, etc. The pyrrolidine compound or a salt thereof of the present invention is usable to produce a pharmaceutical preparation having a wider therapeutic spectrum and being capable of exhibiting sufficient therapeutic effects after short-term administration.Type: GrantFiled: November 17, 2011Date of Patent: April 16, 2013Assignee: Otsuka Pharmaceutical Co., Ltd.Inventors: Muneaki Kurimura, Shinichi Taira, Takahiro Tomoyasu, Nobuaki Ito, Kuninori Tai, Noriaki Takemura, Takayuki Matsuzaki, Yasuhiro Menjo, Shin Miyamura, Yohji Sakurai, Akihito Watanabe, Yasuyo Sakata, Takumi Masumoto, Kohei Akazawa, Haruhiko Sugino, Naoki Amada, Satoshi Ohashi, Tomoichi Shinohara, Hirofumi Sasaki, Chisako Morita, Junko Yamashita, Satoko Nakajima
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Patent number: 8362252Abstract: The present invention provides a carbostyril compound represented by General Formula (1) or a salt thereof, wherein A is a direct bond, a lower alkylene group, or a lower alkylidene group; X is an oxygen atom or a sulfur atom; R4 and R5 each represent a hydrogen atom; the bond between the 3 and 4 positions of the carbostyril skeleton is a single bond or a double bond; R1 is a hydrogen atom, etc; R2 is a hydrogen atom, etc; and R3 is a hydrogen atom, etc. The carbostyril compound or salt thereof of the present invention induces the production of TFF, and thus is usable for the treatment and/or prevention of disorders such as alimentary tract diseases, oral diseases, upper respiratory tract diseases, respiratory tract diseases, eye diseases, cancers, and wounds.Type: GrantFiled: November 3, 2009Date of Patent: January 29, 2013Assignee: Otsuka Pharmaceutical Co., Ltd.Inventors: Takeshi Kuroda, Takahito Yamauchi, Tomoichi Shinohara, Kunio Oshima, Chiharu Kitajima, Hitoshi Nagao, Tae Fukushima, Takahiro Tomoyasu, Hironobu Ishiyama, Kazuhide Ohta, Masaaki Takano, Takumi Sumida
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Publication number: 20120065162Abstract: The present invention provides a pyrrolidine compound of General Formula (1) or a salt thereof, wherein R101 and R102 are each independently a phenyl group or a pyridyl group, the phenyl group or the pyridyl group may have one or more substituents selected from halogen atoms and lower alkyl groups optionally substituted with one or more halogen atoms, etc. The pyrrolidine compound or a salt thereof of the present invention is usable to produce a pharmaceutical preparation having a wider therapeutic spectrum and being capable of exhibiting sufficient therapeutic effects after short-term administration.Type: ApplicationFiled: November 17, 2011Publication date: March 15, 2012Applicant: OTSUKA PHARMACEUTICAL CO., LTD.Inventors: Muneaki KURIMURA, Shinichi TAIRA, Takahiro TOMOYASU, Nobuaki ITO, Kuninori TAI, Noriaki TAKEMURA, Takayuki MATSUZAKI, Yasuhiro MENJO, Shin MIYAMURA, Yohji SAKURAI, Akihito WATANABE, Yasuyo SAKATA, Takumi MASUMOTO, Kohei AKAZAWA, Haruhiko SUGINO, Naoki AMADA, Satoshi OHASHI, Tomoichi SHINOHARA, Hirofumi SASAKI, Chisako MORITA, Junko YAMASHITA, Satoko NAKAJIMA
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Patent number: 8084442Abstract: The present invention provides a pyrrolidine compound of General Formula (1) or a salt thereof, wherein R101 and R102 are each independently a phenyl group or a pyridyl group, the phenyl group or the pyridyl group may have one or more substituents selected from halogen atoms and lower alkyl groups optionally substituted with one or more halogen atoms, etc. The pyrrolidine compound or a salt thereof of the present invention is usable to produce a pharmaceutical preparation having a wider therapeutic spectrum and being capable of exhibiting sufficient therapeutic effects after short-term administration.Type: GrantFiled: May 12, 2006Date of Patent: December 27, 2011Assignee: Otsuka Pharmaceutical Co., Ltd.Inventors: Muneaki Kurimura, Shinichi Taira, Takahiro Tomoyasu, Nobuaki Ito, Kuninori Tai, Noriaki Takemura, Takayuki Matsuzaki, Yasuhiro Menjo, Shin Miyamura, Yohji Sakurai, Akihito Watanabe, Yasuyo Sakata, Takumi Masumoto, Kohei Akazawa, Haruhiko Sugino, Naoki Amada, Satoshi Ohashi, Tomoichi Shinohara, Hirofumi Sasaki, Chisako Morita, Junko Yamashita, Satoko Nakajima
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Publication number: 20110281819Abstract: A low-molecular-weight polysulfated hyaluronic acid derivative useful for prevention and/or treatment of an allergic disease. An agent for prevention and/or treatment of an allergic disease selected from pollinosis, allergic rhinitis, allergic conjunctivitis, atopic dermatitis, and asthma, represented by the following general formula (IA) or (IB); wherein n represents a number of 0 to 15; R?s each independently represent a hydrogen atom or an SO3H group etc.Type: ApplicationFiled: February 1, 2010Publication date: November 17, 2011Applicants: OTSUKA PHARMACEUTICAL CO., LTD., OTSUKA CHEMICAL CO., LTD.Inventors: Kazuaki Kakehi, Hiroaki Asai, Naohiro Hayashi, Satoshi Shimizu, Fumitaka Goto, Yasuo Koga, Takahiro Tomoyasu, Takao Taki, Yusuke Kato, Satoru Nakazato, Junji Takaba, Atsushi Azuma, Wakako Hirano, Kazunari Izumi, Minoru Kashimoto, Yoko Sakamoto, Takashi Hayashi, Masaru Nishida
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Publication number: 20110071084Abstract: The present invention provides a benzazepine compound that can maintain for a long period of time the blood level of tolvaptan enabling to provide the desired pharmaceutical effects. The benzazepine compound of the present invention is represented by general formula (1) wherein R1 represents a —CO—(CH2)n—COR2 group (wherein n is an integer of 1 to 4, and R2 is (2-1) a hydroxy group; (2-2) a lower alkoxy group optionally substituted with a hydroxy group, a lower alkanoyl group, a lower alkanoyloxy group, a lower alkoxycarbonyloxy group, a cycloalkyloxycarbonyloxy group, or 5-methyl-2-oxo-1,3-dioxo-4-yl; or (2-3) an amino group optionally substituted with a hydroxy-lower alkyl group), or the like.Type: ApplicationFiled: June 26, 2008Publication date: March 24, 2011Inventors: Kazumi Kondo, Yasuhiro Menjo, Takahiro Tomoyasu, Shin Miyamura, Yuso Tomohira, Takakuni Matsuda, Keigo Yamada, Yusuke Kato
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Publication number: 20100261705Abstract: The present invention provides a carbostyril compound represented by General Formula (1) or a salt thereof, wherein A is a direct bond, a lower alkylene group, or a lower alkylidene group; X is an oxygen atom or a sulfur atom; R4 and R5 each represent a hydrogen atom; the bond between the 3 and 4 positions of the carbostyril skeleton is a single bond or a double bond; R1 is a hydrogen atom, etc; R2 is a hydrogen atom, etc; and R3 is a hydrogen atom, etc. The carbostyril compound or salt thereof of the present invention induces the production of TFF, and thus is usable for the treatment and/or prevention of disorders such as alimentary tract diseases, oral diseases, upper respiratory tract diseases, respiratory tract diseases, eye diseases, cancers, and wounds.Type: ApplicationFiled: November 3, 2009Publication date: October 14, 2010Inventors: Takeshi Kuroda, Takahito Yamauchi, Tomoichi Shinohara, Kunio Oshima, Chiharu Kitajima, Hitoshi Nagao, Tae Fukushima, Takahiro Tomoyasu, Hironobu Ishiyama, Ohta Kazuhide, Masaaki Takano, Takumi Sumida
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Patent number: 7777038Abstract: The present invention provides a carbostyril compound represented by General Formula (1) or a salt thereof, wherein A is a direct bond, a lower alkylene group, or a lower alkylidene group; X is an oxygen atom or a sulfur atom; R4 and R5 each represent a hydrogen atom; the bond between the 3 and 4 positions of the carbostyril skeleton is a single bond or a double bond; R1 is a hydrogen atom, etc; R2 is a hydrogen atom, etc; and R3 is a hydrogen atom, etc. The carbostyril compound or salt thereof of the present invention induces the production of TFF, and thus is usable for the treatment and/or prevention of disorders such as alimentary tract diseases, oral diseases, upper respiratory tract diseases, respiratory tract diseases, eye diseases, cancers, and wounds.Type: GrantFiled: September 26, 2005Date of Patent: August 17, 2010Assignee: Otsuka Pharmaceutical Co., Ltd.Inventors: Takeshi Kuroda, Takahito Yamauchi, Tomoichi Shinohara, Kunio Oshima, Chiharu Kitajima, Hitoshi Nagao, Tae Fukushima, Takahiro Tomoyasu, Hironobu Ishiyama, Kazuhide Ohta, Masaaki Takano, Takumi Sumida