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. 08, 2004
Filed:
Mar. 26, 2002
Chiaki Suzuki, Minamiashigara, JP;
Masahiro Takagi, Minamiashigara, JP;
Atsuhiko Eguchi, Minamiashigara, JP;
Satoshi Inoue, Minamiashigara, JP;
Sakon Takahashi, Minamiashigara, JP;
Masahiro Uchida, Minamiashigara, JP;
Rieko Kataoka, Minamiashigara, JP;
Hiroyuki Fukuda, Minamiashigara, JP;
Fusako Kiyono, Minamiashigara, JP;
Eiji Iwasaki, Minamiashigara, JP;
Fuji Xerox Co., Ltd., Tokyo, JP;
Abstract
An image formation method which remarkably extends developer life while providing size reduction and high speed coloring. Also, a replenishing toner and a method of producing the same, and a toner cartridge. In the image formation method, conducting image formation by an image formation apparatus having a plurality of xerography units, the developer apparatus of at least one xerography unit has a developer recovering mechanism appropriately replenishing a replenishing toner composed of a toner and a carrier into the developer apparatus and recovering an excess portion of a developer from the equipment. The above-mentioned replenishing toner has a carrier content in the range of 5 to 40% by weight, the above-mentioned carrier is a carrier coated with a resin having a specific composition, and/or the above-mentioned toner is in a specific shape. The replenishing toner may be produced using the above-mentioned recovered developer.