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:
Mar. 16, 2010
Filed:
Nov. 17, 2006
Applicant:
Syouichi Sugitani, Kobe, JP;
Inventor:
Syouichi Sugitani, Kobe, JP;
Assignee:
Konica Minolta Opto, Inc., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29D 7/01 (2006.01);
U.S. Cl.
CPC ...
Abstract
An optical film manufacturing method, comprising steps of: forming a film by casting a liquid-state resin; embossing both ends of the formed film in a lateral direction of the film so as to form embossed sections for conveying the film; conveying the film having the embossed sections by a freely rotatable conveyance roller; trimming and removing the embossed sections of the film after the conveying step; and winding up the film.