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:
Jan. 20, 2026
Filed:
Oct. 27, 2021
Hewlett-packard Development Company, L.p., Spring, TX (US);
Taehyun Kim, Seongnam Si, KR;
Yunhyung Bae, Seongnam Si, KR;
Ara Kim, Seongnam Si, KR;
Youngphil Ji, Seongnam Si, KR;
Yongsang Ryu, Seongnam Si, KR;
Hewlett-Packard Development Company, L.P., Spring, TX (US);
Abstract
A cartridge to contain a developer includes a developing roller to carry the developer and a fur-brush type supplying roller to form a nip region with the developing roller to supply the developer to the developing roller. A surface layer of the developing roller includes a groove formed on the surface layer to come into contact with the fur-brush type supplying roller.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile