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.:

US 7477450 B1

PDF
Full Text
Expired
Date of Patent:
Jan. 13, 2009

Filed:

Aug. 08, 2003
Applicant:

Yoshio Abe, Niigata, JP;

Inventor:

Yoshio Abe, Niigata, JP;

Assignee:

Kuraray Co., Ltd., Kurashiki-shi, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 21/60 (2006.01);
U.S. Cl.
CPC ...
Abstract

A wide-viewing-angle lenticular lens sheet and a production method therefore. The lenticular lens sheet () comprises a plurality of lenticular lenses () disposed on one surface of a translucent substrate, and convex lenses () disposed on the other surface of the translucent substrate each at a condensing position to which light from a lenticular lens () is condensed. External light absorbing units each consisting of only slant surfaces () are disposed on the other surface of the translucent substrate at positions different from those of the lenses ().


Find Patent Forward Citations

Abe, Yoshio. (2009). Lenticular lens sheet and production method therefor (U.S. Patent No. 7477450). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7477450

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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