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, 2003
Filed:
May. 28, 1999
Applicant:
Inventors:
Seiji Mashimo, Tokyo, JP;
Noboru Koumura, Shizuoka-ken, JP;
Yukio Nagase, Shizuoka-ken, JP;
Akihiro Senoo, Tokyo, JP;
Kazunori Ueno, Ebina, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/700 ;
U.S. Cl.
CPC ...
B41J 2/700 ;
Abstract
An exposure unit includes a luminescent device array including a pair of electrodes and an organic compound layer disposed between the electrodes, and a microlens array arranged corresponding to the luminescent device array. The exposure unit is used in an image forming apparatus using an electrophotographic system.