Patents by Inventor Yasuhiro Menjo

Yasuhiro Menjo 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).

  • Publication number: 20230265073
    Abstract: The present invention provides novel benzazepine compounds of Formula (1), or salts thereof, having vasopressin V1a and V2 antagonisms, and medical uses thereof. In the formula, R1 is optionally substituted C1-6 alkyl, etc.; L is —C(?O)—NH—, etc.; Ring A1 is a hydrocarbon ring, etc.; Ring A2 is a hydrocarbon ring, etc.; and each of Rings A1 and A2 may have at least one substituent.
    Type: Application
    Filed: April 27, 2023
    Publication date: August 24, 2023
    Applicant: OTSUKA PHARMACEUTICAL CO., LTD.
    Inventors: Keizo KAN, Masatoshi TAKUWA, Hirotaka TANAKA, Hideto FUJIWARA, Hokuto YAMABE, Satoshi MATSUDA, Kazuhiro OHDACHI, Taiki HANARI, Yasuhiro MENJO, Tatsuya URUSHIMA, Shigekazu FUJITA
  • Patent number: 11673878
    Abstract: The present invention provides novel benzazepine compounds of Formula (1), or salts thereof, having vasopressin V1a and V2 antagonisms, and medical uses thereof. In the formula, R1 is optionally substituted C1-6 alkyl, etc.; L is —C(?O)—NH—, etc.; Ring A1 is a hydrocarbon ring, etc.; Ring A2 is a hydrocarbon ring, etc.; and each of Rings A1 and A2 may have at least one substituent.
    Type: Grant
    Filed: November 24, 2020
    Date of Patent: June 13, 2023
    Assignee: OTSUKA PHARMACEUTICAL CO., LTD.
    Inventors: Keizo Kan, Masatoshi Takuwa, Hirotaka Tanaka, Hideto Fujiwara, Hokuto Yamabe, Satoshi Matsuda, Kazuhiro Ohdachi, Taiki Hanari, Yasuhiro Menjo, Tatsuya Urushima, Shigekazu Fujita
  • Publication number: 20210078976
    Abstract: The present invention provides novel benzazepine compounds of Formula (1), or salts thereof, having vasopressin V1a and V2 antagonisms, and medical uses thereof. In the formula, R1 is optionally substituted C1-6 alkyl, etc.; L is —C(?O)—NH—, etc.; Ring A1 is a hydrocarbon ring, etc.; Ring A2 is a hydrocarbon ring, etc.; and each of Rings A1 and A2 may have at least one substituent.
    Type: Application
    Filed: November 24, 2020
    Publication date: March 18, 2021
    Applicant: OTSUKA PHARMACEUTICAL CO., LTD.
    Inventors: Keizo KAN, Masatoshi TAKUWA, Hirotaka TANAKA, Hideto FUJIWARA, Hokuto YAMABE, Satoshi MATSUDA, Kazuhiro OHDACHI, Taiki HANARI, Yasuhiro MENJO, Tatsuya URUSHIMA, Shigekazu FUJITA
  • Patent number: 10889570
    Abstract: The present invention provides novel benzazepine compounds of Formula (1), or salts thereof, having vasopressin V1a and V2 antagonisms, and medical uses thereof. In the formula, R1 is optionally substituted C1-6 alkyl, etc.; L is —C(?O)—NH—, etc.; Ring A1 is a hydrocarbon ring, etc.; Ring A2 is a hydrocarbon ring, etc.; and each of Rings A1 and A2 may have at least one substituent.
    Type: Grant
    Filed: June 29, 2018
    Date of Patent: January 12, 2021
    Assignee: OTSUKA PHARMACEUTICAL CO., LTD.
    Inventors: Keizo Kan, Masatoshi Takuwa, Hirotaka Tanaka, Hideto Fujiwara, Hokuto Yamabe, Satoshi Matsuda, Kazuhiro Ohdachi, Taiki Hanari, Yasuhiro Menjo, Tatsuya Urushima, Shigekazu Fujita
  • Publication number: 20190389838
    Abstract: The present invention provides novel benzazepine compounds of Formula (1), or salts thereof, having vasopressin V1a and V2 antagonisms, and medical uses thereof. In the formula, R1 is optionally substituted C1-6 alkyl, etc.; L is —C(?O)—NH—, etc.; Ring A1 is a hydrocarbon ring, etc.; Ring A2 is a hydrocarbon ring, etc.; and each of Rings A1 and A2 may have at least one substituent.
    Type: Application
    Filed: June 29, 2018
    Publication date: December 26, 2019
    Applicant: OTSUKA PHARMACEUTICAL CO., LTD.
    Inventors: Keizo KAN, Masatoshi TAKUWA, Hirotaka TANAKA, Hideto FUJIWARA, Hokuto YAMABE, Satoshi MATSUDA, Kazuhiro OHDACHI, Taiki HANARI, Yasuhiro MENJO, Tatsuya URUSHIMA, Shigekazu FUJITA
  • Publication number: 20180258038
    Abstract: 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: Application
    Filed: May 9, 2018
    Publication date: September 13, 2018
    Applicant: 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
  • Patent number: 10000450
    Abstract: 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: Grant
    Filed: February 16, 2017
    Date of Patent: June 19, 2018
    Assignee: 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
  • Patent number: 9809609
    Abstract: The present invention provides a benzoazepine compound represented by following general formula (1): or a salt thereof, wherein R represents a hydrogen atom, a hydroxy group optionally protected with a protecting group, etc., R1 represents a hydrogen atom or hydroxy-protecting group, and X represents an oxygen atom or a sulfur atom. The benzoazepine compound of the present invention and salts thereof have high solubility in water, and can be suitably used for injections.
    Type: Grant
    Filed: May 1, 2012
    Date of Patent: November 7, 2017
    Assignee: OTSUKA PHARMACEUTICAL CO., LTD.
    Inventors: Makoto Komatsu, Fumitaka Goto, Yasuhiro Menjo, Keigo Yamada, Takakuni Matsuda, Yusuke Kato
  • Publication number: 20170166524
    Abstract: 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: Application
    Filed: February 16, 2017
    Publication date: June 15, 2017
    Applicant: 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
  • Patent number: 9611214
    Abstract: 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: Grant
    Filed: June 10, 2014
    Date of Patent: April 4, 2017
    Assignee: 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
  • Patent number: 9303052
    Abstract: The present invention provides a benzoazepine compound represented by following general formula (1): or a salt thereof, wherein R represents a hydrogen atom, a hydroxy group optionally protected with a protecting group, etc., R1 represents a hydrogen atom or hydroxy-protecting group, and X represents an oxygen atom or a sulfur atom. The benzoazepine compound of the present invention and salts thereof have high solubility in water, and can be suitably used for injections.
    Type: Grant
    Filed: August 12, 2013
    Date of Patent: April 5, 2016
    Assignee: I. OTSUKA PHARMACEUTICAL CO., LTD.
    Inventors: Makoto Komatsu, Fumitaka Goto, Yasuhiro Menjo, Keigo Yamada, Takakuni Matsuda, Yusuke Kato
  • Patent number: 9073868
    Abstract: 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: Grant
    Filed: September 24, 2013
    Date of Patent: July 7, 2015
    Assignee: OTSUKA PHARMACEUTICAL CO., LTD.
    Inventors: Kazumi Kondo, Yasuhiro Menjo, Takahiro Tomoyasu, Shin Miyamura, Yuso Tomohira, Takakuni Matsuda, Keigo Yamada, Yusuke Kato
  • Publication number: 20140343277
    Abstract: The present invention provides a novel diazepine compound that blocks the IKur current or the Kv1.5 channel potently and more selectively than other K+ channels. The present invention relates to a diazepine compound represented by General Formula (1) or a salt thereof, wherein R1, R2, R3, and R4 are each independently hydrogen, lower alkyl, cyclo lower alkyl or lower alkoxy lower alkyl; R2 and R3 may be linked to form lower alkylene; A1 is lower alkylene optionally substituted with one or more substituents selected from the group consisting of hydroxyl and oxo; Y1 and Y2 are each independently —N? or —CH?; and R5 is group represented by wherein R6 and R7 are each independently hydrogen or organic group; R6 and R7 may be linked to form a ring together with the neighboring group —XA—N—XB—; XA and XB are each independently a bond, lower alkylene, etc.
    Type: Application
    Filed: June 25, 2014
    Publication date: November 20, 2014
    Inventors: Shinichi TAIRA, Kunio OSHIMA, Takashi OSHIYAMA, Yasuhiro MENJO, Yasuo KOGA, Hokuto YAMABE, Sunao NAKAYAMA, Kenji TSUJIMAE, Toshiyuki ONOGAWA, Kuninori TAI, Motohiro ITOTANI
  • Publication number: 20140288065
    Abstract: 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: Application
    Filed: June 10, 2014
    Publication date: September 25, 2014
    Applicant: 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
  • Patent number: 8815871
    Abstract: 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: Grant
    Filed: March 11, 2013
    Date of Patent: August 26, 2014
    Assignee: 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
  • Patent number: 8785386
    Abstract: 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: Grant
    Filed: September 24, 2013
    Date of Patent: July 22, 2014
    Assignee: Otsuka Pharmaceutical Co., Ltd.
    Inventors: Kazumi Kondo, Yasuhiro Menjo, Takahiro Tomoyasu, Shin Miyamura, Yuso Tomohira, Takakuni Matsuda, Keigo Yamada, Yusuke Kato
  • Patent number: 8669229
    Abstract: 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: Grant
    Filed: June 26, 2008
    Date of Patent: March 11, 2014
    Assignee: Otsuka Pharmaceutical Co., Ltd.
    Inventors: Kazumi Kondo, Yasuhiro Menjo, Takahiro Tomoyasu, Shin Miyamura, Yuso Tomohira, Takakuni Matsuda, Keigo Yamada, Yusuke Kato
  • Patent number: 8664217
    Abstract: The present invention provides a novel benzodiazepine compound that blocks the IKur current or the Kv1.5 channel potently and more selectively than other K+ channels. The benzodiazepine compound of the invention is represented by General Formula (1) wherein R1, R2, R3, and R4 are each independently hydrogen or lower alkyl; R2 and R3 may be linked to form lower alkylene; Al is lower alkylene optionally substituted with one or more hydroxy; and R5 is group represented by wherein R6 and R7 are each independently hydrogen or organic group; XA and XB are each independently bond, lower alkylene, etc.
    Type: Grant
    Filed: August 22, 2012
    Date of Patent: March 4, 2014
    Assignee: Otsuka Pharmaceutical Co., Ltd.
    Inventors: Kunio Oshima, Takashi Oshiyama, Shinichi Taira, Yasuhiro Menjo, Hokuto Yamabe, Shuuji Matsumura, Masataka Ueda, Yasuo Koga, Kuninori Tai, Sunao Nakayama, Toshiyuki Onogawa, Kenji Tsujimae
  • Publication number: 20140024640
    Abstract: 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: Application
    Filed: September 24, 2013
    Publication date: January 23, 2014
    Applicant: OTSUKA PHARMACEUTICAL CO., LTD.
    Inventors: Kazumi KONDO, Yasuhiro MENJO, Takahiro TOMOYASU, Shin MIYAMURA, Yuso TOMOHIRA, Takakuni MATSUDA, Keigo YAMADA, Yusuke KATO
  • Publication number: 20140024619
    Abstract: 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: Application
    Filed: September 24, 2013
    Publication date: January 23, 2014
    Applicant: Otsuka Pharmaceutical Co., Ltd.
    Inventors: Kazumi KONDO, Yasuhiro MENJO, Takahiro TOMOYASU, Shin MIYAMURA, Yuso TOMOHIRA, Takakuni MATSUDA, Keigo YAMADA, Yusuke KATO