Patents by Inventor Kohei Takeuchi

Kohei Takeuchi 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: 20260146047
    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 20, 2026
    Publication date: May 28, 2026
    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
  • Publication number: 20260092033
    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: July 31, 2025
    Publication date: April 2, 2026
    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
  • Patent number: 12534471
    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: April 8, 2024
    Date of Patent: January 27, 2026
    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: 12421188
    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: March 13, 2025
    Date of Patent: September 23, 2025
    Assignee: Takeda Pharmaceutical Company Limited
    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
  • Patent number: 12415782
    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: March 13, 2025
    Date of Patent: September 16, 2025
    Assignee: Takeda Pharmaceutical Company Limited
    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
  • Patent number: 12404237
    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: March 13, 2025
    Date of Patent: September 2, 2025
    Assignee: Takeda Pharmaceutical Company Limited
    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: 20250243156
    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 13, 2025
    Publication date: July 31, 2025
    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: 20250243158
    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 13, 2025
    Publication date: July 31, 2025
    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: 20250243157
    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 13, 2025
    Publication date: July 31, 2025
    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: 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: 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: 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: 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: 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: 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