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:
Dec. 08, 2015
Filed:
Mar. 29, 2012
Applicants:
Shigeyuki Harada, Shizuoka, JP;
Masaomi Sasaki, Shizuoka, JP;
Inventors:
Shigeyuki Harada, Shizuoka, JP;
Masaomi Sasaki, Shizuoka, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07D 209/86 (2006.01); C07F 7/08 (2006.01); C07D 403/04 (2006.01); C07D 209/82 (2006.01); C07F 5/02 (2006.01); C07D 409/04 (2006.01); B82Y 30/00 (2011.01); H01L 51/00 (2006.01);
U.S. Cl.
CPC ...
C07F 7/0814 (2013.01); B82Y 30/00 (2013.01); C07D 209/82 (2013.01); C07D 403/04 (2013.01); C07D 409/04 (2013.01); C07F 5/027 (2013.01); H01L 51/0072 (2013.01); H01L 51/0094 (2013.01); H01L 51/0037 (2013.01); H01L 2251/308 (2013.01);
Abstract
A carbazole derivative represented by the following General Formula (1) where at least one aromatic ring has one to three substituents each represented by the following General Formula (2):