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:
Aug. 13, 2019
Filed:
Jun. 20, 2018
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Toru Ohnishi, Yokohama, JP;
Noboru Toyama, Kawasaki, JP;
Hiroe Ishikura, Kawasaki, JP;
Osamu Yoshitake, Kawasaki, JP;
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J 11/00 (2006.01); B41J 2/005 (2006.01);
U.S. Cl.
CPC ...
B41J 11/0015 (2013.01); B41J 2/0057 (2013.01);
Abstract
A porous body that includes a first porous layer including a first resin, a second porous layer including a second resin, and a third porous layer including a third resin in this order. The second porous layer has a portion where no material is present when viewed in a thickness direction.