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. 19, 2026
Filed:
Nov. 12, 2020
Takeda Pharmaceutical Company Limited, Osaka, JP;
Shuhei Ikeda, Fujisawa, JP;
Makoto Kamata, Fujisawa, JP;
Yuya Oguro, Fujisawa, JP;
Jumpei Aida, Fujisawa, JP;
Taisuke Tawaraishi, Fujisawa, JP;
Takeshi Wakabayashi, Fujisawa, JP;
Norio Oyabu, Fujisawa, JP;
Atsuko Ochida, Fujisawa, JP;
Kouichi Iwanaga, Fujisawa, JP;
Satoshi Yamamoto, Fujisawa, JP;
Masataka Murakami, Fujisawa, JP;
Minoru Nakamura, Fujisawa, JP;
Fumie Yamaguchi, Fujisawa, JP;
Takafumi Yukawa, Fujisawa, JP;
Takeda Pharmaceutical Company Limited, Osaka, JP;
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.