The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 26, 2026
Filed:
Jan. 23, 2020
Takeda Pharmaceutical Company Limited, Osaka, JP;
Yuya Oguro, Kanagawa, JP;
Makoto Kamata, Kanagawa, JP;
Satoshi Mikami, Kanagawa, JP;
Shinji Morimoto, Kanagawa, JP;
Sachie Takashima, Kanagawa, JP;
Masaki Daini, Kanagawa, JP;
Osamu Kubo, Kanagawa, JP;
Fumiaki Kikuchi, Kanagawa, JP;
Akinori Toita, Kanagawa, JP;
Florian Puenner, Kanagawa, JP;
Takahito Kasahara, Kanagawa, JP;
Masataka Murakami, Kanagawa, JP;
Shuhei Ikeda, Kanagawa, JP;
Fumie Yamaguchi, Kanagawa, JP;
Minoru Nakamura, Kanagawa, JP;
Takafumi Yukawa, Kanagawa, JP;
Takeda Pharmaceutical Company Limited, Osaka, JP;
Abstract
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 depression, bipolar disorder, migraine, pain, peripheral symptoms of dementia and the like is provided. A compound represented by the formula (I): wherein each symbol is as described in the DESCRIPTION, or a salt thereof.