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. 06, 2010
Filed:
Jul. 30, 2007
Hideki Sugiura, Fuji, JP;
Satoshi Mochizuki, Numazu, JP;
Yasuaki Iwamoto, Numazu, JP;
Yasuo Asahina, Numazu, JP;
Kazuhiko Umemura, Suntou-gun, JP;
Tomoyuki Ichikawa, Numazu, JP;
Shinya Nakayama, Numazu, JP;
Koichi Sakata, Numazu, JP;
Tomoko Utsumi, Numazu, JP;
Hideki Sugiura, Fuji, JP;
Satoshi Mochizuki, Numazu, JP;
Yasuaki Iwamoto, Numazu, JP;
Yasuo Asahina, Numazu, JP;
Kazuhiko Umemura, Suntou-gun, JP;
Tomoyuki Ichikawa, Numazu, JP;
Shinya Nakayama, Numazu, JP;
Koichi Sakata, Numazu, JP;
Tomoko Utsumi, Numazu, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A toner including toner particles including a binder resin, a colorant, and an inorganic particulate material present on a surface of the toner particles. The toner particles have a surface roughness (Ra) of from 1 to 30 nm, a standard deviation of the surface roughness of from 10 to 90 nm and include 1 to 20 convexities per 1 μm, which have a height not less than 10 nm.