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:
Apr. 30, 2013
Filed:
Feb. 16, 2010
Applicant:
Yuki Matsuura, Tokyo, JP;
Inventor:
Yuki Matsuura, Tokyo, JP;
Assignee:
Oki Data Corporation, Tokyo, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G03G 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A developer has a molecular weight distribution of its tetrahydrofuran soluble portion measured by a gel permeation chromatography. In the molecular weight distribution, the main peak is in a range from 2×10to 3×10weight-average molecular weight (Mw), the shoulder peak is in a range from 200 to 500 Mw, and a half-value width of the main peak is equal to or less than 50000. A glass-transition temperature Tg of the developer is a range from 55° C. to 80° C.
Matsuura, Yuki. (2013). Developer, image forming unit and image forming apparatus (U.S. Patent No. 8431299). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8431299
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile