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:
Jun. 13, 2017
Filed:
Mar. 28, 2016
Canon Kabushiki Kaisha, Tokyo, JP;
Masahiro Watanabe, Mishima, JP;
Tomohito Taniguchi, Suntou-gun, JP;
Noboru Miyagawa, Suntou-gun, JP;
Taichi Sato, Numazu, JP;
Takehiko Aoyama, Suntou-gun, JP;
Takeshi Yoshidome, Kitakyushu, JP;
Atsushi Uematsu, Fuji, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A roller for electrophotography including a mandrel and an elastic layer on the mandrel is provided. The elastic layer contains a hollow particle in a region from the surface of the elastic layer to a depth of 100 μm. A cross-section of the hollow particle intersected by a first plane and a cross-section of the hollow particle intersected by a second plane each have a ratio of the length of the long axis to the length of the short axis of 1.2 or more and 1.9 or less.