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. 05, 2000
Filed:
Oct. 26, 1998
Applicant:
Inventors:
Masami Kadonaga, Kanagawa, JP;
Hiroyuki Sugimoto, Kanagawa, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
399 66 ; 399302 ; 399308 ;
Abstract
An image forming apparatus and method thereof for reducing a transfer charge in a portion where an image carrier and a transfer body contact each other, and obviating the deterioration of images ascribable to Paschen discharge apt to occur at the end of the contact portion. A relationship exists between an image transfer nip, a discharge electrode and a transfer electrode of the image forming apparatus.