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. 13, 2022
Filed:
Jan. 06, 2021
Applicants:
Kazuhiko Watanabe, Tokyo, JP;
Hiroshi Nakai, Kanagawa, JP;
Masahiro Ohmori, Kanagawa, JP;
Inventors:
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 21/00 (2006.01); G03G 21/18 (2006.01);
U.S. Cl.
CPC ...
G03G 21/0017 (2013.01); G03G 21/1814 (2013.01);
Abstract
A cleaning blade includes a blade member including a ridgeline portion. The ridgeline portion contains polyrotaxane. A sheet conveyance roller includes a core and a surface layer. The surface layer contains polyrotaxane.