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:
Mar. 21, 2006
Filed:
Dec. 18, 2003
Takamasa Hayashi, Tokyo, JP;
Takeo Ohashi, Kanagawa, JP;
Kohichi Kanaya, Kanagawa, JP;
Jun Sasaki, Tokyo, JP;
Tatsuo Hirono, Kanagawa, JP;
Yukio Tagawa, Tokyo, JP;
Takamasa Hayashi, Tokyo, JP;
Takeo Ohashi, Kanagawa, JP;
Kohichi Kanaya, Kanagawa, JP;
Jun Sasaki, Tokyo, JP;
Tatsuo Hirono, Kanagawa, JP;
Yukio Tagawa, Tokyo, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
In a double-sided image forming apparatus and method, back-side images are developed on a first middle transfer belt prior to developing of front-side images on the first middle transfer belt, and the back-side images are transferred to a second middle transfer belt. The number of back-side images allowed to be supported at a time on the second middle transfer belt is determined. The number of back-side images are developed on the first middle transfer belt prior to developing of the same number of front-side images on the first middle transfer belt. The front-side image of the first middle transfer belt and the back-side image of the second middle transfer belt are simultaneously formed on both sides of a copy sheet.