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:
Jul. 14, 2015
Filed:
Mar. 16, 2012
Applicants:
Tatsuya Araki, Ibaraki, JP;
Seiji Kondo, Ibaraki, JP;
Yutaka Fujita, Ibaraki, JP;
Atsushi Muraoka, Ibaraki, JP;
Hiroaki Sawada, Ibaraki, JP;
Inventors:
Tatsuya Araki, Ibaraki, JP;
Seiji Kondo, Ibaraki, JP;
Yutaka Fujita, Ibaraki, JP;
Atsushi Muraoka, Ibaraki, JP;
Hiroaki Sawada, Ibaraki, JP;
Assignee:
NITTO DENKO CORPORATION, Ibaraki-shi, JP;
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/30 (2006.01); B29C 39/18 (2006.01); B29C 41/28 (2006.01); B29C 55/06 (2006.01); B29C 55/08 (2006.01); B29K 29/00 (2006.01);
U.S. Cl.
CPC ...
G02B 5/3033 (2013.01); B29C 39/18 (2013.01); B29C 41/28 (2013.01); B29C 55/06 (2013.01); B29C 55/08 (2013.01); B29K 2029/04 (2013.01); B29K 2995/0034 (2013.01);
Abstract
A polarizing membrane according to an embodiment of the present invention includes a polyvinyl alcohol-based resin membrane containing a dichromatic substance. The polyvinyl alcohol-based resin membrane has an Nz coefficient of 1.10 or more and 1.50 or less.