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:
Jun. 24, 2014
Filed:
Jul. 06, 2009
Takahiro Honda, Fujinomiya, JP;
Yohichiroh Watanabe, Fuji, JP;
Yoshihiro Norikane, Yokohama, JP;
Shinji Ohtani, Shizuoka-ken, JP;
Takahiro Honda, Fujinomiya, JP;
Yohichiroh Watanabe, Fuji, JP;
Yoshihiro Norikane, Yokohama, JP;
Shinji Ohtani, Shizuoka-ken, JP;
Ricoh Company, Limited, Tokyo, JP;
Abstract
A toner produced by a method including dissolving or dispersing toner components comprising a resin, a colorant, and a release agent in a solvent to prepare a toner components liquid, discharging the toner components liquid from multiple nozzles provided on a thin film by vibrating the thin film by a mechanical vibration unit to form liquid droplets, and drying the liquid droplets into solid particles of the toner. The particle diameter distribution that is a ratio of a weight average particle diameter to a number average particle diameter of the toner is between 1.00 and 1.15, and a weight average particle diameter of the release agent in the toner is between 1% and 30% of an aperture diameter of the nozzle.