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.

Date of Patent:
Dec. 04, 2001

Filed:

Apr. 29, 1998
Applicant:
Inventor:

Hirofumi Tsuchida, Hachioji, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 3/00 ;
U.S. Cl.
CPC ...
G02B 3/00 ;
Abstract

A set of lens systems consisting of a plurality of different kinds of lens systems each comprising a radial type gradient index lens element(s), wherein the radial type gradient index lens elements have a common refractive index distribution.


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