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. 19, 2010
Filed:
Nov. 13, 2007
Applicants:
Tsukasa Matsuda, Kanagawa, JP;
Eizo Kurihara, Kanagawa, JP;
Mario Fuse, Kanagawa, JP;
Shoji Yamaguchi, Kanagawa, JP;
Kunihiro Takahashi, Kanagawa, JP;
Tomofumi Tokiyoshi, Tokyo, JP;
Inventors:
Tsukasa Matsuda, Kanagawa, JP;
Eizo Kurihara, Kanagawa, JP;
Mario Fuse, Kanagawa, JP;
Shoji Yamaguchi, Kanagawa, JP;
Kunihiro Takahashi, Kanagawa, JP;
Tomofumi Tokiyoshi, Tokyo, JP;
Assignee:
Fuji Xerox Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B 5/16 (2006.01); B32B 21/06 (2006.01); D21H 13/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A recording paper contains a pulp fiber and a magnetic fiber having a large Barkhausen effect. The fiber orientation ratio of this recording paper by an ultrasonic propagation velocity method is in a range of more than 1.3 to less than 1.8, and the degree of shrinkage in an MD thereof is 0.25% or less.