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:
May. 08, 2012
Filed:
Feb. 18, 2011
Noriyuki Kamiya, Yamato, JP;
Tsuyoshi Imamura, Sagamihara, JP;
Sumio Kamoi, Tokyo, JP;
Kyohta Koetsuka, Fujisawa, JP;
Yoshiyuki Takano, Hachioji, JP;
Mieko Terashima, Zama, JP;
Satoshi Terashima, Zama, JP;
Hiroya Abe, Yokohama, JP;
Shigeharu Nakamura, Atsugi, JP;
Masaki Watanabe, Kawasaki, JP;
Noriyuki Kamiya, Yamato, JP;
Tsuyoshi Imamura, Sagamihara, JP;
Sumio Kamoi, Tokyo, JP;
Kyohta Koetsuka, Fujisawa, JP;
Yoshiyuki Takano, Hachioji, JP;
Mieko Terashima, Zama, JP;
Satoshi Terashima, Zama, JP;
Hiroya Abe, Yokohama, JP;
Shigeharu Nakamura, Atsugi, JP;
Masaki Watanabe, Kawasaki, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A development roller, including a development sleeve disposed near a photo conductive drum, a magnetic roller disposed in the development sleeve, and a supplying device configured to supply a developer including a toner and a magnetic carrier to the photo conductive drum uniformly, the development sleeve having an outer surface on which the developer including the toner and the magnetic carrier is adsorbed by a magnetic force of the magnetic roller.