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:
Nov. 30, 2010
Filed:
Nov. 27, 2006
Applicants:
Junichi Yamazaki, Mishima, JP;
Shigemitsu Nakatsugawa, Hadano, JP;
Kenji Maeda, Isehara, JP;
Inventors:
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/02 (2006.01); G01N 21/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method for evaluating an electrophotographic photoconductor in terms of filming occurrence is provided that comprises irradiating UV rays having a wavelength of 200 nm to 420 nm onto the electrophotographic photoconductor and measuring fluorescence emitted from the electrophotographic photoconductor.