Patents by Inventor Tomoichi Shinohara
Tomoichi Shinohara 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: 20230138411Abstract: The present invention provides a novel pyrimidine compound represented by Formula [I] and a salt thereof: [in the formula, the symbols are as defined in the specification], which is useful for treating, preventing and/or diagnosing seizure and the like in disease involving epileptic seizure or convulsive seizure (including multiple drug resistant seizure, refractory seizure, acute symptomatic seizure, febrile seizure and status epilepticus), as well as a medical use therefor.Type: ApplicationFiled: December 30, 2022Publication date: May 4, 2023Applicant: OTSUKA PHARMACEUTICAL CO., LTD.Inventors: Tomoichi SHINOHARA, Shin IWATA, Kenta ARAI, Nobuaki ITO, Masaki SUZUKI
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Patent number: 11273168Abstract: A heterocyclic compound represented by the general formula (1) or a salt thereof: wherein m, l, and n respectively represent an integer of 1 or 2; X represents —O— or —CH2—; R1 represents hydrogen, a lower alkyl group, a hydroxy-lower alkyl group, a protecting group, or a tri-lower alkylsilyloxy-lower alkyl group; R2 and R3, which are the same or different, each independently represent hydrogen or a lower alkyl group; or R2 and R3 are bonded to form a cyclo-C3-C8 alkyl group; and R4 represents an aromatic group or a heterocyclic group, wherein the aromatic or heterocyclic group may have one or more arbitrary substituent(s).Type: GrantFiled: March 16, 2020Date of Patent: March 15, 2022Assignee: OTSUKA PHARMACEUTICAL CO., LTD.Inventors: Nobuaki Ito, Hirofumi Sasaki, Kuninori Tai, Tomoichi Shinohara
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Publication number: 20210403456Abstract: The present invention provides a novel heterocyclic compound represented by Formula [I] and a salt thereof: wherein the symbols are as defined in the specification, which is useful for treating, preventing and/or diagnosing seizure and the like in disease involving epileptic seizure or convulsive seizure (including multiple drug resistant seizure, refractory seizure, acute symptomatic seizure, febrile seizure and status epilepticus), as well as a medical use therefor.Type: ApplicationFiled: November 29, 2019Publication date: December 30, 2021Applicant: OTSUKA PHARMACEUTICAL CO., LTD.Inventors: Tomoichi SHINOHARA, Shin IWATA, Masaki SUZUKI, Kenta ARAI, Nobuaki ITO, Takuya CHIBA
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Publication number: 20200399245Abstract: The present invention provides a novel pyrimidine compound represented by Formula [I] and a salt thereof: [in the formula, the symbols are as defined in the specification], which is useful for treating, preventing and/or diagnosing seizure and the like in disease involving epileptic seizure or convulsive seizure (including multiple drug resistant seizure, refractory seizure, acute symptomatic seizure, febrile seizure and status epilepticus), as well as a medical use therefor.Type: ApplicationFiled: September 2, 2020Publication date: December 24, 2020Applicant: OTSUKA PHARMACEUTICAL CO, LTD.Inventors: Tomoichi SHINOHARA, Shin IWATA, Kenta ARAI, Nobuaki ITO, Masaki SUZUKI
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Patent number: 10800758Abstract: The present invention provides a novel pyrimidine compound represented by Formula [I] and a salt thereof: [in the formula, the symbols are as defined in the specification], which is useful for treating, preventing and/or diagnosing seizure and the like in disease involving epileptic seizure or convulsive seizure (including multiple drug resistant seizure, refractory seizure, acute symptomatic seizure, febrile seizure and status epilepticus), as well as a medical use therefor.Type: GrantFiled: May 31, 2018Date of Patent: October 13, 2020Assignee: OTSUKA PHARMACEUTICAL CO., LTD.Inventors: Tomoichi Shinohara, Shin Iwata, Kenta Arai, Nobuaki Ito, Masaki Suzuki
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Publication number: 20200281951Abstract: A heterocyclic compound represented by the general formula (1) or a salt thereof: wherein m, l, and n respectively represent an integer of 1 or 2; X represents —O— or —CH2—; R1 represents hydrogen, a lower alkyl group, a hydroxy-lower alkyl group, a protecting group, or a tri-lower alkylsilyloxy-lower alkyl group; R2 and R3, which are the same or different, each independently represent hydrogen or a lower alkyl group; or R2 and R3 are bonded to form a cyclo-C3-C8 alkyl group; and R4 represents an aromatic group or a heterocyclic group, wherein the aromatic or heterocyclic group may have one or more arbitrary substituent(s).Type: ApplicationFiled: March 16, 2020Publication date: September 10, 2020Applicant: OTSUKA PHARMACEUTICAL CO., LTD.Inventors: Nobuaki ITO, Hirofumi SASAKI, Kuninori TAI, Tomoichi SHINOHARA
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Patent number: 10603331Abstract: A heterocyclic compound represented by the general formula (1) or a salt thereof: wherein m, l, and n respectively represent an integer of 1 or 2; X represents —O— or —CH2—; R1 represents hydrogen, a lower alkyl group, a hydroxy-lower alkyl group, a protecting group, or a tri-lower alkylsilyloxy-lower alkyl group; R2 and R3, which are the same or different, each independently represent hydrogen or a lower alkyl group; or R2 and R3 are bonded to form a cyclo-C3-C8 alkyl group; and R4 represents an aromatic group or a heterocyclic group, wherein the aromatic or heterocyclic group may have one or more arbitrary substituent(s).Type: GrantFiled: August 30, 2018Date of Patent: March 31, 2020Assignee: Otsuka Pharmaceutical Co., Ltd.Inventors: Nobuaki Ito, Hirofumi Sasaki, Kuninori Tai, Tomoichi Shinohara
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Publication number: 20200017476Abstract: The present invention provides a novel pyrimidine compound represented by Formula [I] and a salt thereof: [in the formula, the symbols are as defined in the specification], which is useful for treating, preventing and/or diagnosing seizure and the like in disease involving epileptic seizure or convulsive seizure (including multiple drug resistant seizure, refractory seizure, acute symptomatic seizure, febrile seizure and status epilepticus), as well as a medical use therefor.Type: ApplicationFiled: May 31, 2018Publication date: January 16, 2020Applicant: OTSUKA PHARMACEUTICAL CO., LTD.Inventors: Tomoichi SHINOHARA, Shin IWATA, Kenta ARAI, Nobuaki ITO, Masaki SUZUKI
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Publication number: 20190142852Abstract: A heterocyclic compound represented by the general formula (1) or a salt thereof: wherein m, l, and n respectively represent an integer of 1 or 2; X represents —O— or —CH2—; R1 represents hydrogen, a lower alkyl group, a hydroxy-lower alkyl group, a protecting group, or a tri-lower alkylsilyloxy-lower alkyl group; R2 and R3, which are the same or different, each independently represent hydrogen or a lower alkyl group; or R2 and R3 are bonded to form a cyclo-C3-C8 alkyl group; and R4 represents an aromatic group or a heterocyclic group, wherein the aromatic or heterocyclic group may have one or more arbitrary substituent(s).Type: ApplicationFiled: August 30, 2018Publication date: May 16, 2019Applicant: OTSUKA PHARMACEUTICAL CO., LTD.Inventors: Nobuaki ITO, Hirofumi SASAKI, Kuninori TAI, Tomoichi SHINOHARA
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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: 10064879Abstract: A heterocyclic compound represented by the general formula (1) or a salt thereof: wherein m, l, and n respectively represent an integer of 1 or 2; X represents —O— or —CH2—; R1 represents hydrogen, a lower alkyl group, a hydroxy-lower alkyl group, a protecting group, or a tri-lower alkylsilyloxy-lower alkyl group; R2 and R3, which are the same or different, each independently represent hydrogen or a lower alkyl group; or R2 and R3 are bonded to form a cyclo-C3-C8 alkyl group; and R4 represents an aromatic group or a heterocyclic group, wherein the aromatic or heterocyclic group may have one or more arbitrary substituent(s).Type: GrantFiled: April 24, 2017Date of Patent: September 4, 2018Assignee: OTSUKA PHARMACEUTICAL CO., LTD.Inventors: Nobuaki Ito, Hirofumi Sasaki, Kuninori Tai, Tomoichi Shinohara
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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: 20170224713Abstract: A heterocyclic compound represented by the general formula (1) or a salt thereof: wherein m, l, and n respectively represent an integer of 1 or 2; X represents —O— or —CH2—; R1 represents hydrogen, a lower alkyl group, a hydroxy-lower alkyl group, a protecting group, or a tri-lower alkylsilyloxy-lower alkyl group; R2 and R3, which are the same or different, each independently represent hydrogen or a lower alkyl group; or R2 and R3 are bonded to form a cyclo-C3-C8 alkyl group; and R4 represents an aromatic group or a heterocyclic group, wherein the aromatic or heterocyclic group may have one or more arbitrary substituent(s).Type: ApplicationFiled: April 24, 2017Publication date: August 10, 2017Applicant: OTSUKA PHARMACEUTICAL CO., LTD.Inventors: Nobuaki ITO, Hirofumi SASAKI, Kuninori TAI, Tomoichi SHINOHARA
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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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Publication number: 20160058757Abstract: A heterocyclic compound represented by the general formula (1) or a salt thereof: wherein m, I, and n respectively represent an integer of 1 or 2; X represents —O— or —CH2—; R1 represents hydrogen, a lower alkyl group, a hydroxy-lower alkyl group, a protecting group, or a tri-lower alkylsilyloxy-lower alkyl group; R2 and R3, which are the same or different, each independently represent hydrogen or a lower alkyl group; or R2 and R3 are bonded to form a cyclo-C3-C8 alkyl group; and R4 represents an aromatic group or a heterocyclic group, wherein the aromatic or heterocyclic group may have one or more arbitrary substituent(s).Type: ApplicationFiled: May 6, 2015Publication date: March 3, 2016Inventors: Nobuaki ITO, Hirofumi SASAKI, Kuninori TAI, Tomoichi SHINOHARA
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Patent number: 9090572Abstract: A heterocyclic compound represented by the general formula (1) or a salt thereof: wherein m, l, and n respectively represent an integer of 1 or 2; X represents —O— or —CH2—; R1 represents hydrogen, a lower alkyl group, a hydroxy-lower alkyl group, a protecting group, or a tri-lower alkylsilyloxy-lower alkyl group; R2 and R3, which are the same or different, each independently represent hydrogen or a lower alkyl group; or R2 and R3 are bonded to form a cyclo-C3-C8 alkyl group; and R4 represents an aromatic group or a heterocyclic group, wherein the aromatic or heterocyclic group may have one or more arbitrary substituent(s).Type: GrantFiled: September 12, 2011Date of Patent: July 28, 2015Assignee: OTSUKA PHARMACEUTICAL CO., LTD.Inventors: Nobuaki Ito, Hirofumi Sasaki, Kuninori Tai, Tomoichi Shinohara
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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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Publication number: 20130261081Abstract: A heterocyclic compound represented by the general formula (1) or a salt thereof: wherein m, l, and n respectively represent an integer of 1 or 2; X represents —O— or —CH2—; R1 represents hydrogen, a lower alkyl group, a hydroxy-lower alkyl group, a protecting group, or a tri-lower alkylsilyloxy-lower alkyl group; R2 and R3, which are the same or different, each independently represent hydrogen or a lower alkyl group; or R2 and R3 are bonded to form a cyclo-C3-C8 alkyl group; and R4 represents an aromatic group or a heterocyclic group, wherein the aromatic or heterocyclic group may have one or more arbitrary substituent(s).Type: ApplicationFiled: September 12, 2011Publication date: October 3, 2013Inventors: Nobuaki Ito, Hirofumi Sasaki, Kuninori Tai, Tomoichi Shinohara