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:
Jan. 02, 2007
Filed:
Aug. 06, 2004
Kazuhito Watanabe, Kanagawa, JP;
Satoshi Narumi, Kanagawa, JP;
Shinji Tamaki, Tokyo, JP;
Satoshi Hatori, Kanagawa, JP;
Tsutomu Katoh, Kanagawa, JP;
Haruji Mizuishi, Tokyo, JP;
Tetsuroh Tanigawa, Kanagawa, JP;
Misao Tanzawa, Kanagawa, JP;
Kazuhito Watanabe, Kanagawa, JP;
Satoshi Narumi, Kanagawa, JP;
Shinji Tamaki, Tokyo, JP;
Satoshi Hatori, Kanagawa, JP;
Tsutomu Katoh, Kanagawa, JP;
Haruji Mizuishi, Tokyo, JP;
Tetsuroh Tanigawa, Kanagawa, JP;
Misao Tanzawa, Kanagawa, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A carrier and a dummy toner are stored in a developing unit of a process cartridge in a brand new status. A plurality of process cartridges corresponding to a plurality of color toners is used in common. The color toners are respectively supplied to the developing unit from toner supply units after the process cartridges in the brand new status are installed in installation sections in a main unit of an image forming apparatus.