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:
Jun. 05, 2007
Filed:
Jun. 16, 2005
Kiyotaka Sakai, Kawasaki, JP;
Hideo Yoshizawa, Saitama, JP;
Katsumi Masuda, Edogawa-ku, JP;
Hideki Kimura, Kawasaki, JP;
Tsuyoshi Imamura, Sagamihara, JP;
Kiyotaka Sakai, Kawasaki, JP;
Hideo Yoshizawa, Saitama, JP;
Katsumi Masuda, Edogawa-ku, JP;
Hideki Kimura, Kawasaki, JP;
Tsuyoshi Imamura, Sagamihara, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
An image forming method and apparatus includes a development device in which two rotary shafts enclosed in respective separate chambers for spirally circulating the developer between the two chambers to supply the developer to a development roller. The development device is provided with an extended circulation enclosure having a fill opening communicating with the two chambers.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile