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:
Nov. 08, 2011
Filed:
Mar. 02, 2007
Takuya Kadota, Kobe, JP;
Masayuki Hagi, Minoo, JP;
Yoshihiro Mikuriya, Nishinomiya, JP;
Katsunori Kurose, Takarazuka, JP;
Hiroaki Kato, Nagaokakyo, JP;
Atsushi Yamamoto, Kawanishi, JP;
Yoshimichi Ishikawa, Itami, JP;
Masahide Inoue, Katsuragi, JP;
Minoru Nakamura, Takarazuka, JP;
Hideaki Yasunaga, Ibaraki, JP;
Takuya Kadota, Kobe, JP;
Masayuki Hagi, Minoo, JP;
Yoshihiro Mikuriya, Nishinomiya, JP;
Katsunori Kurose, Takarazuka, JP;
Hiroaki Kato, Nagaokakyo, JP;
Atsushi Yamamoto, Kawanishi, JP;
Yoshimichi Ishikawa, Itami, JP;
Masahide Inoue, Katsuragi, JP;
Minoru Nakamura, Takarazuka, JP;
Hideaki Yasunaga, Ibaraki, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A toner for electrostatic charge development is provided where the toner comprises a colorant and a resin and contains an organic boron compound represented by a following chemical formula (A) as a charge controlling agent, further the toner is treated with an inorganic fine particle and at least one of the inorganic particles is a magnesium silicate compound represented by a following general formula [2] is provided.