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. 06, 2010
Filed:
Mar. 22, 2006
Applicants:
Kazuyuki Shimizu, Akashi, JP;
Syouichi Sugitani, Kobe, JP;
Inventors:
Kazuyuki Shimizu, Akashi, JP;
Syouichi Sugitani, Kobe, JP;
Assignee:
Konica Minolta Opto, Inc., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
B29D 7/01 (2006.01); B29D 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An optical film comprising a cycloolefin resin or a cellulose ester resin, wherein (a) at least one of edges of the optical film is slit; (b) an average surface roughness Ra specified in JISB0601-2001 of a cross-section of the optical film formed by slitting is 0.05 to 0.9 μm; and (c) a width of the optical film is 1400 mm or more.