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. 21, 2013
Filed:
Jun. 03, 2009
Chikara Tsutsui, Nishinomiya, JP;
Chikara Tsutsui, Nishinomiya, JP;
Konica Minolta Business Technologies, Inc., Chiyoda-Ku, Tokyo, JP;
Abstract
A toner for hybrid development, comprising toner particles containing at least a binder resin and a colorant and being charged when made in friction-contact with a carrier; reverse polarity particles that are charged to polarity reversed to the charged polarity of the toner particles when made in friction-contact with the carrier, and have a number-average primary particle size in a range from 95 to 850 nm; and same polarity particles that are charged into the same polarity as the charged polarity of the toner particles when made in friction-contact with the carrier, and have a number-average primary particle size in a range from 80 to 800 nm and a shape factor in a range from 100 to 160; a developer for hybrid development containing the above toner and a carrier; and an image-forming apparatus provided with the developer for hybrid development.