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:
Dec. 16, 2008
Filed:
Aug. 23, 2006
Applicants:
Hiroki Umeda, Hino, JP;
Noriyasu Kuzuhara, Kunitachi, JP;
Shinji Inagaki, Hachioji, JP;
Inventors:
Assignee:
Konica Minolta Opto, Inc., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G02F 1/1335 (2006.01); G02F 1/13 (2006.01);
U.S. Cl.
CPC ...
Abstract
A film bonded to a polarizer of a polarizing plate, has a surface A and a surface B opposite to the surface A; and a thickness of 10 μm to 70 μm; wherein a refractive index difference between the surface A and the surface B is 5×10to 5×10.
Umeda, Hiroki. (2008). Retardation film, manufacturing method thereof, polarizing plate and liquid crystal display apparatus (U.S. Patent No. 7466377). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7466377
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile