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:
Jun. 24, 2014
Filed:
Jul. 25, 2012
Applicants:
Satoko Shitagaki, Kanagawa, JP;
Atsushi Tokuda, Kanagawa, JP;
Hiroko Abe, Tokyo, JP;
Ryoji Nomura, Kanagawa, JP;
Satoshi Seo, Kanagawa, JP;
Inventors:
Satoko Shitagaki, Kanagawa, JP;
Atsushi Tokuda, Kanagawa, JP;
Hiroko Abe, Tokyo, JP;
Ryoji Nomura, Kanagawa, JP;
Satoshi Seo, Kanagawa, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/54 (2006.01); C09K 11/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A quinoxaline derivative represented by a formula (1) is provided. In the formula (1), Rand Rand Rand Rare bonded to each other to form an aromatic ring, and Arto Areach independently represents an aryl group or a heterocyclic group.