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:
Feb. 03, 2026
Filed:
Jul. 07, 2022
Idemitsu Kosan Co.,ltd., Tokyo, JP;
National University Corporation Tokai National Higher Education and Research System, Nagoya, JP;
Masato Mitani, Chiyoda-ku, JP;
Keita Seda, Chiyoda-ku, JP;
Taro Yamaki, Chiyoda-ku, JP;
Shota Tanaka, Chiyoda-ku, JP;
Tsukasa Sawato, Chiyoda-ku, JP;
Masatoshi Saito, Chiyoda-ku, JP;
Hiroaki Itoi, Chiyoda-ku, JP;
Tasuku Haketa, Chiyoda-ku, JP;
Kei Yoshida, Chiyoda-ku, JP;
Sayaka Mizutani, Chiyoda-ku, JP;
Kenichiro Itami, Nagoya, JP;
Kei Murakami, Nagoya, JP;
Satoshi Matsubara, Nagoya, JP;
Yoshito Koga, Nagoya, JP;
Abstract
A compound represented by the following formula (1A) or (1B): (the symbols in the formulae (1A) and (1B) have the same meaning as defined in the specification), an organic electroluminescent device containing the compound, and an electronic device including the organic electroluminescent device.