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:
Oct. 19, 2010
Filed:
Sep. 06, 2007
Hiroyuki Murakami, Toyonaka, JP;
Masahide Inoue, Numazu, JP;
Masayuki Hagi, Minoo, JP;
Takuya Kadota, Kobe, JP;
Yoshihiro Mikuriya, Nishinomiya, JP;
Katsunori Kurose, Takarazuka, JP;
Hideaki Yasunaga, Ibaraki, JP;
Hiroaki Kato, Nagaokakyo, JP;
Yoshimichi Ishikawa, Itami, JP;
Kazuoki Fuwa, Toyonaka, JP;
Hiroyuki Murakami, Toyonaka, JP;
Masahide Inoue, Numazu, JP;
Masayuki Hagi, Minoo, JP;
Takuya Kadota, Kobe, JP;
Yoshihiro Mikuriya, Nishinomiya, JP;
Katsunori Kurose, Takarazuka, JP;
Hideaki Yasunaga, Ibaraki, JP;
Hiroaki Kato, Nagaokakyo, JP;
Yoshimichi Ishikawa, Itami, JP;
Kazuoki Fuwa, Toyonaka, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
The present invention provides a developing device that allows for maintaining the conveyance amount of a toner within a certain definite range. A developing deviceof the present invention is provided with a toner conveying unitconfigured to convey a first toner and a controlling memberconfigured to control the thickness of a toner layer formed with the first toner conveyed by the toner conveying unit, wherein a second toner provided with a charged amount per unit mass that differs from a charged amount per unit mass of the first toner is applied over the surface of the controlling member