Patents by Inventor Kouichi Iwanaga

Kouichi Iwanaga 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).

  • Patent number: 11702419
    Abstract: 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: Grant
    Filed: March 15, 2021
    Date of Patent: July 18, 2023
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: 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
  • Publication number: 20230150934
    Abstract: A compound of formula (I), or a salt thereof that may have an antagonistic action against an NMDA receptor that includes an NR2B subunit and may be useful as a prophylactic or therapeutic agent for depression, bipolar disorder, migraine, pain, a symptom peripheral to dementia, or the like.
    Type: Application
    Filed: December 22, 2022
    Publication date: May 18, 2023
    Inventors: Shuhei IKEDA, Makoto KAMATA, Yuya OGURO, Jumpei AIDA, Taisuke TAWARAISHI, Takeshi WAKABAYASHI, Norio OYABU, Atsuko OCHIDA, Kouichi IWANAGA, Satoshi YAMAMOTO, Masataka MURAKAMI, Minoru NAKAMURA, Fumie YAMAGUCHI, Takafumi YUKAWA
  • Publication number: 20230134307
    Abstract: A compound of formula (I), or a salt thereof that may have an antagonistic action against an NMDA receptor that includes an NR2B subunit and may be useful as a prophylactic or therapeutic agent for depression, bipolar disorder, migraine, pain, a symptom peripheral to dementia, or the like.
    Type: Application
    Filed: December 22, 2022
    Publication date: May 4, 2023
    Inventors: Shuhei IKEDA, Makoto KAMATA, Yuya OGURO, Jumpei AIDA, Taisuke TAWARAISHI, Takeshi WAKABAYASHI, Norio OYABU, Atsuko OCHIDA, Kouichi IWANAGA, Satoshi YAMAMOTO, Masataka MURAKAMI, Minoru NAKAMURA, Fumie YAMAGUCHI, Takafumi YUKAWA
  • Publication number: 20230002318
    Abstract: A compound of formula (I), or a salt thereof that may have an antagonistic action against an NMDA receptor that includes an NR2B subunit and may be useful as a prophylactic or therapeutic agent for depression, bipolar disorder, migraine, pain, a symptom peripheral to dementia, or the like.
    Type: Application
    Filed: November 12, 2020
    Publication date: January 5, 2023
    Inventors: Shuhei IKEDA, Makoto KAMATA, Yuya OGURO, Jumpei AIDA, Taisuke TAWARAISHI, Takeshi WAKABAYASHI, Norio OYABU, Atsuko OCHIDA, Kouichi IWANAGA, Satoshi YAMAMOTO, Masataka MURAKAMI, Minoru NAKAMURA, Fumie YAMAGUCHI, Takafumi YUKAWA
  • Publication number: 20210332053
    Abstract: 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: Application
    Filed: March 15, 2021
    Publication date: October 28, 2021
    Applicant: Takeda Pharmaceutical Company Limited
    Inventors: 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
  • Patent number: 10807987
    Abstract: 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: Grant
    Filed: March 27, 2019
    Date of Patent: October 20, 2020
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: 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
  • Publication number: 20190300536
    Abstract: 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: Application
    Filed: March 27, 2019
    Publication date: October 3, 2019
    Applicant: Takeda Pharmaceutical Company Limited
    Inventors: 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
  • Patent number: 9527807
    Abstract: Provided is a compound having an AMPA receptor function enhancing action, and useful as a prophylactic or therapeutic drug for depression, Alzheimer's disease, schizophrenia, attention deficit hyperactivity disorder (ADHD) and the like. A compound represented by the formula (I): wherein each symbol is as defined in the present specification, or a salt thereof.
    Type: Grant
    Filed: April 5, 2012
    Date of Patent: December 27, 2016
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Shoji Fukumoto, Osamu Ujikawa, Shinji Morimoto, Yasutomi Asano, Satoshi Mikami, Norihito Tokunaga, Masakuni Kori, Toshihiro Imaeda, Koichiro Fukuda, Shinji Nakamura, Kouichi Iwanaga
  • Publication number: 20160046601
    Abstract: Compounds represented by the formulas wherein each symbol is as defined in the specification, and a prodrug thereof have a superior renin inhibitory activity, and are useful as agents for the prophylaxis or treatment of hypertension, various organ damages attributable to hypertension and the like.
    Type: Application
    Filed: October 28, 2015
    Publication date: February 18, 2016
    Inventors: Takanobu KUROITA, Yasuhiro IMAEDA, Kouichi IWANAGA, Naohiro TAYA, Hidekazu TOKUHARA, Yoshiyuki FUKASE
  • Patent number: 9221836
    Abstract: Compounds represented by the formulas wherein each symbol is as defined in the specification, and a prodrug thereof have a superior renin inhibitory activity, and are useful as agents for the prophylaxis or treatment of hypertension, various organ damages attributable to hypertension and the like.
    Type: Grant
    Filed: March 23, 2015
    Date of Patent: December 29, 2015
    Assignee: TAKEDA PHARMACEUTICAL COMPANY LIMITED
    Inventors: Takanobu Kuroita, Yasuhiro Imaeda, Kouichi Iwanaga, Naohiro Taya, Hidekazu Tokuhara
  • Publication number: 20150191486
    Abstract: Compounds represented by the formulas wherein each symbol is as defined in the specification, and a prodrug thereof have a superior renin inhibitory activity, and are useful as agents for the prophylaxis or treatment of hypertension, various organ damages attributable to hypertension and the like.
    Type: Application
    Filed: March 23, 2015
    Publication date: July 9, 2015
    Inventors: Takanobu KUROITA, Yasuhiro IMAEDA, Kouichi IWANAGA, Naohiro TAYA, Hidekazu TOKUHARA, YOSHIYUKI FUKASE
  • Patent number: 9045436
    Abstract: Compounds represented by the formulas wherein each symbol is as defined in the specification, and a prodrug thereof have a superior renin inhibitory activity, and are useful as agents for the prophylaxis or treatment of hypertension, various organ damages attributable to hypertension and the like.
    Type: Grant
    Filed: April 13, 2012
    Date of Patent: June 2, 2015
    Assignee: TAKEDA PHARMACEUTICAL COMPANY LIMITED
    Inventors: Takanobu Kuroita, Yasuhiro Imaeda, Kouichi Iwanaga, Naohiro Taya, Hidekazu Tokuhara
  • Patent number: 8664380
    Abstract: Compounds represented by the formulas wherein each symbol is as defined in the specification, and a prodrug thereof have a superior renin inhibitory activity, and are useful as agents for the prophylaxis or treatment of hypertension, various organ damages attributable to hypertension and the like.
    Type: Grant
    Filed: June 17, 2009
    Date of Patent: March 4, 2014
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Takanobu Kuroita, Yasuhiro Imaeda, Kouichi Iwanaga, Naohiro Taya, Hidekazu Tokuhara
  • Publication number: 20140024650
    Abstract: Provided is a compound having an AMPA receptor function enhancing action, and useful as a prophylactic or therapeutic drug for depression, Alzheimer's disease, schizophrenia, attention deficit hyperactivity disorder (ADHD) and the like. A compound represented by the formula (I): wherein each symbol is as defined in the present specification, or a salt thereof.
    Type: Application
    Filed: April 5, 2012
    Publication date: January 23, 2014
    Applicant: TAKEDA PHARMACEUTICAL COMPANY LIMITED
    Inventors: Shoji Fukumoto, Osamu Ujikawa, Shinji Morimoto, Yasutomi Asano, Satoshi Mikami, Norihito Tokunaga, Masakuni Kori, Toshihiro Imaeda, Koichiro Fukuda, Shinji Nakamura, Kouichi Iwanaga
  • Patent number: 8466282
    Abstract: Compounds represented by the formulas (I) (II) wherein each symbol is as defined in the specification, and a prodrug thereof have a superior renin inhibitory activity, and are useful as agents for the prophylaxis or treatment of hypertension, various organ damages attributable to hypertension and the like.
    Type: Grant
    Filed: June 17, 2009
    Date of Patent: June 18, 2013
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Takanobu Kuroita, Yasuhiro Imaeda, Kouichi Iwanaga, Naohiro Taya, Hidekazu Tokuhara, Yoshiyuki Fukase
  • Publication number: 20120264733
    Abstract: Compounds represented by the formulas wherein each symbol is as defined in the specification, and a prodrug thereof have a superior renin inhibitory activity, and are useful as agents for the prophylaxis or treatment of hypertension, various organ damages attributable to hypertension and the like.
    Type: Application
    Filed: April 13, 2012
    Publication date: October 18, 2012
    Inventors: Takanobu KUROITA, Yasuhiro Imaeda, Kouichi Iwanaga, Naohiro Taya, Hidekazu Tokuhara, Yoshiyuki Fukase
  • Publication number: 20110178057
    Abstract: Compounds represented by the formulas (I) (II) wherein each symbol is as defined in the specification, and a pro-drug thereof have a superior renin inhibitory activity, and are useful as agents for the prophylaxis or treatment of hypertension, various organ damages attributable to hypertension and the like.
    Type: Application
    Filed: June 17, 2009
    Publication date: July 21, 2011
    Inventors: Takanobu Kuroita, Yasuhiro Imaeda, Kouichi Iwanaga, Naohiro Taya, Hidekazu Tokuhara, Yoshiyuki Fukase
  • Publication number: 20100121048
    Abstract: The present invention relates to a compound represented by the formula: (I) wherein ring A is a 5- or 6-membered aromatic heterocycle optionally having substituent (s); U, V and W are each independently C or N, provided that when any one of U, V and W is N, then the others should be C; Ra and Rb are each independently a cyclic group optionally having substituent(s), a C1-10alkyl group optionally having substituent(s), a C2-10 alkenyl group optionally having substituent(s), or a C2-10alkynyl group optionally having substituent(s); X is a bond, or a spacer having 1 to 6 atoms in the main chain; Y is a spacer having 1 to 6 atoms in the main chain; Rc is a hydrocarbon group optionally containing heteroatom(s) as the constituting atom(s), which optionally has substituent(s); m and n are each independently 1 or 2; and ring B optionally further has substituent(s), or a salt thereof.
    Type: Application
    Filed: February 15, 2007
    Publication date: May 13, 2010
    Inventors: Takanobu Kuroita, Yasuhiro Imaeda, Naohiro Taya, Tsuneo Oda, Kouichi Iwanaga, Yasutomi Asano
  • Publication number: 20090227560
    Abstract: The present invention relates to a compound represented by the formula: wherein each symbol is as defined in the description, or a salt thereof or a prodrug thereof. The compound of the present invention has a superior renin inhibitory activity, and thus is useful as an agent for the prophylaxis or treatment of hypertension, various organ damages attributable to hypertension, and the like.
    Type: Application
    Filed: July 11, 2008
    Publication date: September 10, 2009
    Inventors: Takanobu Kuroita, Tsuneo Oda, Yasutomi Asano, Naohiro Taya, Kouichi Iwanaga, Hidekazu Tokuhara, Yoshiyuki Fukase
  • Publication number: 20090156612
    Abstract: The present invention relates to a compound represented by the formula: wherein each symbol is as defined in the description, or a salt thereof or a prodrug thereof. The compound of the present invention has a superior renin inhibitory activity, and thus is useful as an agent for the prophylaxis or treatment of hypertension, various organ damages attributable to hypertension, and the like.
    Type: Application
    Filed: April 23, 2008
    Publication date: June 18, 2009
    Inventors: Takanobu Kuroita, Tsuneo Oda, Yasutomi Asano, Naohiro Taya, Kouichi Iwanaga, Hidekazu Tokuhara, Yoshiyuki Fukase