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:
Apr. 04, 2000
Filed:
Apr. 15, 1998
Applicant:
Inventors:
Akira Katayama, Shizuoka, JP;
Masaomi Sasaki, Shizuoka, JP;
Katsukiyo Nagai, Shizuoka, JP;
Chiaki Tanaka, Shizuoka, JP;
Shinichi Kawamura, Shizuoka, JP;
Susumu Suzuka, Saitama, JP;
Katsuhiro Morooka, Ibaraki, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
430 83 ; 430 587 ;
Abstract
An electrophotographic photoconductor includes an electroconductive support, and a photoconductive layer formed thereon containing as an effective component an aromatic polycarbonate resin having a structural unit of formula (I), or in combination with a structural unit of formula (II): ##STR1## wherein R, R.sup.1, and X are as specified in the specification.