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:
May. 12, 2009
Filed:
Nov. 15, 2006
Applicants:
Seiichi Handa, Tokyo, JP;
Yasuhisa Ehara, Kamakura, JP;
Joh Ebara, Kamakura, JP;
Kazuhiko Kobayashi, Tokyo, JP;
Toshiyuki Uchida, Kawasaki, JP;
Noriaki Funamoto, Machida, JP;
Inventors:
Seiichi Handa, Tokyo, JP;
Yasuhisa Ehara, Kamakura, JP;
Joh Ebara, Kamakura, JP;
Kazuhiko Kobayashi, Tokyo, JP;
Toshiyuki Uchida, Kawasaki, JP;
Noriaki Funamoto, Machida, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A color printing apparatus having a color registration difference correction function, the color registration difference caused by a difference of rotation speeds of each photosensitive drum after a print mode changes from a one photosensitive drum mode to an all photosensitive drums mode.