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:
Oct. 13, 2026
Filed:
Jul. 29, 2022
Hewlett-packard Development Company, L.p., Spring, TX (US);
Taehyun Kim, Seongnam Si, KR;
Ara Kim, Seongnam Si, KR;
Yunhyung Bae, Seongnam Si, KR;
Se Young Yoon, Seongnam Si, KR;
Youngphil Ji, Seongnam Si, KR;
Yong-Sang Ryu, Seongnam Si, KR;
Hewlett-Packard Development Company, L.P., Spring, TX (US);
Abstract
An example charging member has a conductive support; a conductive elastic body layer on the conductive support; and a surface layer on the conductive elastic body layer, wherein the surface layer includes a binder resin and particles, wherein the surface layer includes a first portion of the binder resin having the particles and a second portion of the binder resin having an absence of the particles, and wherein the second portion has a peak height (Spk)/core roughness depth (Sk) of less than 0.2.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile