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. 26, 2013
Filed:
Apr. 29, 2010
Toshiaki Fujisawa, Osaka, JP;
Kenichi Nagata, Osaka, JP;
Toshiaki Fujisawa, Osaka, JP;
Kenichi Nagata, Osaka, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
A toner cartridge for an image forming apparatus includes: a toner container; a toner feed port for supplying toner to a developing device; a toner feeding blade structure for feeding the toner from the toner container to the developing device; and a recording chip for recording history information on the toner container. The toner container includes a toner feed motor for rotationally driving the toner feeding blade structure. The recording chip includes a supplied toner quantity totalizer for summing the amounts of toner supplied and a residual toner quantity display controller for displaying the residual toner quantity in the toner container on a display portion of the image forming apparatus.