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:
Sep. 05, 2017
Filed:
May. 12, 2016
Shin Hasegawa, Tokyo, JP;
Tsuyoshi Sugimoto, Shizuoka, JP;
Hideyuki Santo, Kanagawa, JP;
Koh Ohnuma, Shizuoka, JP;
Kohsuke Nagata, Shizuoka, JP;
Suzuka Karato, Shizuoka, JP;
Shin Hasegawa, Tokyo, JP;
Tsuyoshi Sugimoto, Shizuoka, JP;
Hideyuki Santo, Kanagawa, JP;
Koh Ohnuma, Shizuoka, JP;
Kohsuke Nagata, Shizuoka, JP;
Suzuka Karato, Shizuoka, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A toner includes a base particle including a polyester resin and a colorant. A sea-island structure is observed by a transmission electron microscope (TEM) in a cross-sectional image of the toner. The island structure includes the colorant and has an average diameter of from 0.2 μm to 1.0 μm, and the number of the island structure is from 5 to 30.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile