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:
Jul. 07, 2009
Filed:
Apr. 26, 2006
Takuya Kadota, Kobe, JP;
Masahide Inoue, Katsuragi, JP;
Yoshihiro Mikuriya, Nishinomiya, JP;
Katsunori Kurose, Takarazuka, JP;
Masayuki Hagi, Minoo, JP;
Minoru Nakamura, Takarazuka, JP;
Hiroaki Kato, Nagaokakyo, JP;
Atsushi Yamamoto, Kawanishi, JP;
Hideaki Yasunaga, Ibaraki, JP;
Takuya Kadota, Kobe, JP;
Masahide Inoue, Katsuragi, JP;
Yoshihiro Mikuriya, Nishinomiya, JP;
Katsunori Kurose, Takarazuka, JP;
Masayuki Hagi, Minoo, JP;
Minoru Nakamura, Takarazuka, JP;
Hiroaki Kato, Nagaokakyo, JP;
Atsushi Yamamoto, Kawanishi, JP;
Hideaki Yasunaga, Ibaraki, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
It is an object of the present invention to provide a toner containing toner particles and inorganic fine particles wherein the inorganic fine particles are externally added to the toner particles which contain a binder resin and a colorant and at least one type of the inorganic fine particles is a compound oxide having a relative permittivity measured at 1 MHz of 2 to 10 and a volume resistivity of 1011Ω·cm or more and an image forming method using the toner.