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. 01, 2018
Filed:
Nov. 08, 2016
Masato Tsuji, Kanagawa, JP;
Tetsumaru Fujita, Kanagawa, JP;
Yuji Nagatomo, Kanagawa, JP;
Mitsutoshi Kichise, Osaka, JP;
Yutaro Kaku, Tokyo, JP;
Kazuki Matsumoto, Kanagawa, JP;
Masato Tsuji, Kanagawa, JP;
Tetsumaru Fujita, Kanagawa, JP;
Yuji Nagatomo, Kanagawa, JP;
Mitsutoshi Kichise, Osaka, JP;
Yutaro Kaku, Tokyo, JP;
Kazuki Matsumoto, Kanagawa, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A developing device includes a toner bearer to rotate while bearing toner and a toner regulator including a bend on a free end side. The bend is disposed in contact with a surface of the toner bearer and defines a regulation nip to adjust an amount of the toner on the toner bearer. The toner regulator further includes an area having a water contact angle greater than or equal to 70 degrees. The area having the water contact angle includes, at least, a downstream end of the bend in a rotation direction of the toner bearer.