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:
Jul. 14, 2026
Filed:
Jul. 22, 2020
Tosoh Corporation, Shunan, JP;
Sagami Chemical Research Institute, Ayase, JP;
Naoki Uchida, Ayase, JP;
Hidenori Aihara, Ayase, JP;
Takuya Yamagata, Ayase, JP;
Naoki Hayakawa, Ayase, JP;
Natsumi Nakajima, Ayase, JP;
Kazuki Hattori, Ayase, JP;
Fuminari Uehara, Ayase, JP;
Yohei Ono, Ayase, JP;
Masaya Hirano, Ayase, JP;
Yuta Morinaka, Ayase, JP;
Keisuke Nomura, Ayase, JP;
Eriko Ohta, Ayase, JP;
Tomohiro Shono, Shunan, JP;
Kana Oike, Ayase, JP;
Kazushi Hayashi, Ayase, JP;
Keiya Aoyagi, Ayase, JP;
Kosuke Sato, Ayase, JP;
Toshiki Nishiura, Ayase, JP;
TOSOH CORPORATION, Shunan, JP;
SAGAMI CHEMICAL RESEARCH INSTITUTE, Ayase, JP;
Abstract
An object of the present invention is to provide a cyclic azine compound exhibiting both excellent driving voltage characteristics and excellent current efficiency characteristics. The desired cyclic azine compound has a specific structure represented by formula (1).