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:
Sep. 28, 2010
Filed:
Oct. 06, 2006
Applicant:
Katsusuke Nagashima, Tokyo, JP;
Inventor:
Katsusuke Nagashima, Tokyo, JP;
Assignee:
Konica Minolta Opto, Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B29C 45/76 (2006.01);
U.S. Cl.
CPC ...
Abstract
An optical film manufacturing method, including steps of: casting a dope in which a thermoplastic resin is dissolved in a solvent, on a support so as to form a web; peeling and conveying the web from the support; measuring a physical property of the conveyed web at plural positions along a lateral direction of the web and obtaining a deviation among plural measurement values of the physical property at the plural positions: and drying the web by adjusting drying conditions at the plural positions to differ in accordance with the deviation.