Patents by Inventor Norihito Tokunaga

Norihito Tokunaga 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: 20240360080
    Abstract: The present invention provides a heterocyclic compound having an orexin type 2 receptor agonist activity. A compound represented by the formula (I): wherein each symbol is as described in the specification, or a salt thereof has an orexin type 2 receptor agonist activity, and is useful as an agent for the prophylaxis or treatment of narcolepsy.
    Type: Application
    Filed: November 27, 2023
    Publication date: October 31, 2024
    Inventors: Yasushi HATTORI, Yuhei MIYANOHANA, Yuichi KAJITA, Tatsuki KOIKE, Yasutaka HOASHI, Norihito TOKUNAGA, Alexander Martin PAWLICZEK, Tsuneo ODA, Tohru MIYAZAKI, Yoshiteru ITO, Kohei TAKEUCHI, Keisuke IMAMURA, Takahiro SUGIMOTO
  • Publication number: 20240317765
    Abstract: The present invention provides a heterocyclic compound having an orexin type 2 receptor agonist activity. A compound represented by the formula (I): wherein each symbol is as described in the specification, or a salt thereof, is useful as an agent for the prophylaxis or treatment of narcolepsy.
    Type: Application
    Filed: April 8, 2024
    Publication date: September 26, 2024
    Inventors: Yasushi HATTORI, Marilena PIRA, Yoshiteru ITO, Kohei TAKEUCHI, Eiji KIMURA, Norihito TOKUNAGA, Shuhei IKEDA, Martin Alexander PAWLICZEK, Noriyuki TEZUKA, Yasutaka HOASHI, Yuhei MIYANOHANA, Yuichi KAJITA, Tatsuki KOIKE
  • Publication number: 20240309016
    Abstract: The present invention provides a heterocyclic compound having an orexin type 2 receptor agonist activity. A compound represented by the formula (I): wherein each symbol is as described in the specification, or a salt thereof has an orexin type 2 receptor agonist activity, and is useful as an agent for the prophylaxis or treatment of narcolepsy.
    Type: Application
    Filed: March 15, 2024
    Publication date: September 19, 2024
    Inventors: Mitsunori KONO, Yusuke SASAKI, Yuya OGURO, Zenichi IKEDA, Osamu KUBO, Masaki SETO, Toru YAMASHITA, Makoto KAMATA, Kenjiro SATO, Matthew Thomas REYNOLDS, Kazuaki TAKAMI, Asato KINA, Takafumi YUKAWA, Minoru NAKAMURA, Taku KAMEI, Hiroyuki KAKEI, Fumie YAMAGUCHI, Tomohiro OHASHI, Keiko KAKEGAWA, Takuto KOJIMA, Florian PÜNNER, Masataka MURAKAMI, Takahiko TANIGUCHI, Tatsuki KOIKE, Yuichi KAJITA, Yuhei MIYANOHANA, Kohei TAKEUCHI, Yoshiteru ITO, Norihito TOKUNAGA, Yasushi HATTORI, Eiji KIMURA, Martin Alexander PAWLICZEK, Marilena PIRA, Shuhei IKEDA, Noriyuki TEZUKA, Yoshikazu WATANABE, Kevin CURRAN, Nicolle DOERING, Maria HOPKINS, Ben JOHNSON, Andre KIRYANOV, Jon LAM, Sean MURPHY, Natasha O'ROURKE, Holly REICHARD, Paul TANIS, Yunlong ZHANG
  • Patent number: 12091410
    Abstract: The present invention provides a heterocyclic compound having an orexin type 2 receptor agonist activity. A compound represented by the formula (I): wherein each symbol is as described in the description, or a salt thereof has an orexin type 2 receptor agonist activity, and is useful as an agent for the prophylaxis or treatment of narcolepsy.
    Type: Grant
    Filed: December 11, 2019
    Date of Patent: September 17, 2024
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Yuichi Kajita, Yuhei Miyanohana, Tatsuki Koike, Yasutaka Hoashi, Yasushi Hattori, Norihito Tokunaga, Tsuneo Oda, Tohru Miyazaki, Dilhumar Uyghur, Yoshiteru Ito, Kohei Takeuchi, Keisuke Imamura, Takahiro Sugimoto, Koichiro Fukuda, Yasuhisa Kohara, Rei Okamoto, Taiichi Ohra, Naoki Miyamoto, Yoshito Terao, Masanori Kawasaki
  • Patent number: 12077522
    Abstract: The present invention provides a heterocyclic compound having an orexin type 2 receptor agonist activity. A compound represented by the formula (I): wherein each symbol is as described in the specification, or a salt thereof has an orexin type 2 receptor agonist activity, and is useful as an agent for the prophylaxis or treatment of narcolepsy.
    Type: Grant
    Filed: June 27, 2019
    Date of Patent: September 3, 2024
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Tatsuhiko Fujimoto, Koichiro Fukuda, Hiromichi Sugimoto, Kentaro Rikimaru, Yoshihiro Banno, Takahiro Matsumoto, Norihito Tokunaga, Yoshihide Tomata, Yuji Ishichi, Shogo Marui, Tsuneo Oda, Tohru Miyazaki, Yasutaka Hoashi, Yasushi Hattori, Yuichi Kajita, Yuhei Miyanohana, Tatsuki Koike
  • Patent number: 12071434
    Abstract: The present invention provides a heterocyclic compound having an orexin type 2 receptor agonist activity. A compound represented by the formula (I): wherein each symbol is as described in the description, or a salt thereof has an orexin type 2 receptor agonist activity, and is useful as an agent for the prophylaxis or treatment of narcolepsy.
    Type: Grant
    Filed: December 11, 2019
    Date of Patent: August 27, 2024
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Yuhei Miyanohana, Yuichi Kajita, Tatsuki Koike, Yasutaka Hoashi, Yasushi Hattori, Norihito Tokunaga, Tsuneo Oda, Tohru Miyazaki, Dilhumar Uyghur, Yoshiteru Ito, Kohei Takeuchi, Keisuke Imamura, Takahiro Sugimoto, Koichiro Fukuda, Yasuhisa Kohara, Rei Okamoto, Taiichi Ohra, Naoki Miyamoto, Jun Chiba, Yoshito Terao, Masanori Kawasaki
  • Publication number: 20240174610
    Abstract: Provided is a substituted piperidine compound having an orexin type 2 receptor agonist activity. A compound represented by the formula (I): wherein each symbol is as described in the DESCRIPTION, or a salt thereof has an orexin type 2 receptor agonist activity, and is useful as a prophylactic or therapeutic agent for narcolepsy.
    Type: Application
    Filed: July 5, 2023
    Publication date: May 30, 2024
    Inventors: Tatsuhiko FUJIMOTO, Kentaro RIKIMARU, Koichiro FUKUDA, Hiromichi SUGIMOTO, Takahiro MATSUMOTO, Norihito TOKUNAGA, Mariko HIROZANE
  • Publication number: 20240174677
    Abstract: The present invention provides a heterocyclic compound having an orexin type 2 receptor agonist activity. A compound represented by the formula (I): wherein each symbol is as described in the specification, or a salt thereof, is useful as an agent for the prophylaxis or treatment of narcolepsy.
    Type: Application
    Filed: October 30, 2023
    Publication date: May 30, 2024
    Inventors: Yasushi HATTORI, Marilena PIRA, Yoshiteru ITO, Kohei TAKEUCHI, Eiji KIMURA, Norihito TOKUNAGA, Shuhei IKEDA, Martin Alexander PAWLICZEK, Noriyuki TEZUKA, Yasutaka HOASHI, Yuhei MIYANOHANA, Yuichi KAJITA, Tatsuki KOIKE
  • Patent number: 11987586
    Abstract: The present invention provides a heterocyclic compound having an orexin type 2 receptor agonist activity. A compound represented by the formula (I): wherein each symbol is as described in the specification, or a salt thereof, is useful as an agent for the prophylaxis or treatment of narcolepsy.
    Type: Grant
    Filed: October 30, 2023
    Date of Patent: May 21, 2024
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Yasushi Hattori, Marilena Pira, Yoshiteru Ito, Kohei Takeuchi, Eiji Kimura, Norihito Tokunaga, Shuhei Ikeda, Martin Alexander Pawliczek, Noriyuki Tezuka, Yasutaka Hoashi, Yuhei Miyanohana, Yuichi Kajita, Tatsuki Koike
  • Patent number: 11952344
    Abstract: Provided is a heterocyclic compound that can have an antagonistic action on an NMD A receptor containing the NR2B subunit and that is expected to be useful as a prophylactic or therapeutic agent for depression, bipolar disorder, migraine, pain, peripheral symptoms of dementia and the like. A compound represented by the formula (I), wherein each symbol is as defined in the DESCRIPTION, or a salt thereof.
    Type: Grant
    Filed: September 25, 2020
    Date of Patent: April 9, 2024
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Yuya Oguro, Makoto Kamata, Shuhei Ikeda, Takeshi Wakabayashi, Norihito Tokunaga, Taku Kamei, Mitsuhiro Ito, Shigemitsu Matsumoto, Hirotaka Kamitani, Takaharu Hirayama, Toshio Tanaka, Hiroshi Banno, Nobuyuki Takakura, Jinichi Yonemori, Takuya Fujimoto
  • Patent number: 11713311
    Abstract: Provided is a heterocyclic compound that can have an antagonistic action on an NMDA receptor containing the NR2B subunit, and is expected to be useful as a prophylactic or therapeutic agent for major depression, bipolar disorder, migraine, pain, peripheral symptoms of dementia and the like. A compound represented by the formula (I): wherein each symbol is as described in the DESCRIPTION, or a salt thereof.
    Type: Grant
    Filed: December 14, 2021
    Date of Patent: August 1, 2023
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Eiji Kimura, Masaki Ogino, Yasuhisa Kohara, Tomoko Ohashi, Tomohiro Kaku, Yuya Oguro, Shigemitsu Matsumoto, Takeshi Wakabayashi, Norihito Tokunaga, Taku Kamei, Mitsuhiro Ito
  • 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
  • Patent number: 11655241
    Abstract: The present invention provides a heterocyclic compound having an orexin type 2 receptor agonist activity. A compound represented by the formula (I): wherein each symbol is as described in the specification, or a salt thereof has an orexin type 2 receptor agonist activity, and is useful as an agent for the prophylaxis or treatment of narcolepsy.
    Type: Grant
    Filed: June 27, 2019
    Date of Patent: May 23, 2023
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Tsuneo Oda, Yoshiteru Ito, Tohru Miyazaki, Kohei Takeuchi, Norihito Tokunaga, Yasutaka Hoashi, Yasushi Hattori, Keisuke Imamura, Yuichi Kajita, Yuhei Miyanohana, Takahiro Sugimoto, Tatsuki Koike, Dilhumar Uyghur
  • Publication number: 20230063805
    Abstract: The present invention provides a heterocyclic compound having an orexin type 2 receptor agonist activity. A compound represented by the formula (I): wherein each symbol is as described in the specification, or a salt thereof, is useful as an agent for the prophylaxis or treatment of narcolepsy.
    Type: Application
    Filed: June 22, 2022
    Publication date: March 2, 2023
    Inventors: Yuichi KAJITA, Yuhei MIYANOHANA, Tatsuki KOIKE, Kohei TAKEUCHI, Yoshiteru ITO, Norihito TOKUNAGA, Takahiro SUGIMOTO, Tohru MIYAZAKI, Tsuneo ODA, Yasutaka HOASHI, Yasushi HATTORI, Keisuke IMAMURA
  • Publication number: 20230040770
    Abstract: The present invention provides a heterocyclic compound having an orexin type 2 receptor agonist activity. A compound represented by the formula (I): wherein each symbol is as described in the specification, or a salt thereof has an orexin type 2 receptor agonist activity, and is useful as an agent for the prophylaxis or treatment of narcolepsy.
    Type: Application
    Filed: January 30, 2020
    Publication date: February 9, 2023
    Inventors: Yasushi HATTORI, Yuhei MIYANOHANA, Tatsuki KAJITA, Tatsuki KOIKE, Yasutaka HOASHI, Norihito TOKUNAGA, Alexander Martin PAWLICZEK, Tsuneo ODA, Tohru MIYAZAKI, Yoshiteru ITO, Kohei TAKEUCHI, Keisuke IMAMURA, Takahiro SUGIMOTO
  • Publication number: 20230037557
    Abstract: The present invention provides a heterocyclic compound having an orexin type 2 receptor agonist activity. A compound represented by the formula (I): wherein each symbol is as described in the description, or a salt thereof has an orexin type 2 receptor agonist activity, and is useful as an agent for the prophylaxis or treatment of narcolepsy.
    Type: Application
    Filed: November 26, 2020
    Publication date: February 9, 2023
    Inventors: Yoshiteru ITO, Yuhei MIYANOHANA, Yuichi KAJITA, Yasutaka HOASHI, Yasushi HATTORI, Tatsuki KOIKE, Norihito TOKUNAGA, Eiji KIMURA, Alexander Martin PAWLICZEK, Marilena PIRA, Javier MIGUELEZ-RAMOS
  • Publication number: 20230042358
    Abstract: The present invention provides a heterocyclic compound having an orexin type 2 receptor agonist activity. A compound represented by the formula (I): wherein each symbol is as described in the description, or a salt thereof has an orexin type 2 receptor agonist activity, and is useful as an agent for the prophylaxis or treatment of narcolepsy.
    Type: Application
    Filed: December 11, 2019
    Publication date: February 9, 2023
    Applicant: Takeda Pharmaceutical Company Limited
    Inventors: Yuhei MIYANOHANA, Yuichi KAJITA, Tatsuki KOIKE, Yasutaka HOASHI, Yasushi HATTORI, Norihito TOKUNAGA, Tsuneo ODA, Tohru MIYAZAKI, Dilhumar UYGHUR, Yoshiteru ITO, Kohei TAKEUCHI, Keisuke IMAMURA, Takahiro SUGIMOTO, Koichiro FUKUDA, Yasuhisa KOHARA, Rei OKAMOTO, Taiichi OHRA, Naoki MIYAMOTO, Jun CHIBA, Yoshito TERAO, Masanori KAWASAKI
  • Publication number: 20220388995
    Abstract: Provided is a heterocyclic compound that can have an antagonistic action on an NMDA receptor containing the NR2B subunit, and is expected to be useful as a prophylactic or therapeutic agent for major depression, bipolar disorder, migraine, pain, peripheral symptoms of dementia and the like. A compound represented by the formula (I): wherein each symbol is as described in the DESCRIPTION, or a salt thereof.
    Type: Application
    Filed: December 14, 2021
    Publication date: December 8, 2022
    Applicant: Takeda Pharmaceutical Company Limited
    Inventors: Eiji KIMURA, Masaki OGINO, Yasuhisa KOHARA, Tomoko OHASHI, Tomohiro KAKU, Yuya OGURO, Shigemitsu MATSUMOTO, Takeshi WAKABAYASHI, Norihito TOKUNAGA, Taku KAMEI, Mitsuhiro ITO
  • Publication number: 20220370491
    Abstract: The object of the present invention is to provide a nucleic acid agent that is efficiently delivered to the nervous system, for example, the central nervous system to which drug delivery can be prevented by BBB, and produces an antisense effect on the target transcriptional product at the delivery site, and a composition comprising the same. In an embodiment, the present invention provides a double-stranded nucleic acid complex formed by annealing a first nucleic acid strand that hybridizes to a part of a target transcriptional product and has an antisense effect on the target transcriptional product, and a second nucleic acid strand that comprises a base sequence complementary to the first nucleic acid strand and is bound to a C22-35 alkyl group optionally substituted with a hydroxy group or an analog thereof.
    Type: Application
    Filed: September 16, 2020
    Publication date: November 24, 2022
    Applicants: National University Corporation Tokyo Medical and Dental University, Takeda Pharmaceutical Company Limited
    Inventors: Takanori Yokota, Testuya Nagata, Hideki Furukawa, Takatoshi Yogo, Yasuo Nakagawa, Shigekazu Sasaki, Ryosuke Tokunoh, Tomohiro Seki, Kosuke Hidaka, Fumiaki Kikuchi, Osamu Kubo, Takahito Kasahara, Takuto Kojima, Junsi Wang, Norihito Tokunaga
  • Publication number: 20220340527
    Abstract: Provided is a heterocyclic compound that can have an antagonistic action on an NMD A receptor containing the NR2B subunit and that is expected to be useful as a prophylactic or therapeutic agent for depression, bipolar disorder, migraine, pain, peripheral symptoms of dementia and the like. A compound represented by the formula (I), wherein each symbol is as defined in the DESCRIPTION, or a salt thereof.
    Type: Application
    Filed: September 25, 2020
    Publication date: October 27, 2022
    Inventors: Yuya OGURO, Makoto KAMATA, Shuhei IKEDA, Takeshi WAKABAYASHI, Norihito TOKUNAGA, Taku KAMEI, Mitsuhiro ITO, Shigemitsu MATSUMOTO, Hirotaka KAMITANI, Takaharu HIRAYAMA, Toshio TANAKA, Hiroshi BANNO, Nobuyuki TAKAKURA, Jinichi YONEMORI, Takuya FUJIMOTO