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:
Jun. 22, 2004
Filed:
Apr. 15, 2002
Applicant:
Inventors:
Masahiro Goto, Shinjuku-Ku, JP;
Kumpei Oda, Shinjuku-Ku, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 2/160 ; G03B 2/710 ;
U.S. Cl.
CPC ...
G03B 2/160 ; G03B 2/710 ;
Abstract
This invention is a lenticular lens sheet including an incidence plane that has a plurality of lens surfaces and an outgoing plane. A focal length at a center portion of each of the plurality of lens surfaces is longer. A focal length at an edge portion of each of the plurality of lens surfaces is shorter.