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:
Oct. 26, 2010
Filed:
Feb. 08, 2006
Applicants:
Kenzaburo Suzuki, Yokohama, JP;
Akiko Miyakawa, Sagamihara, JP;
Inventors:
Kenzaburo Suzuki, Yokohama, JP;
Akiko Miyakawa, Sagamihara, JP;
Assignee:
Nikon Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/18 (2006.01);
U.S. Cl.
CPC ...
Abstract
A diffractive optical elementis constituted by sandwiching and closely bonding first and second optical element componentswhich have different refractive indices and are adhered via a relief pattern, between third and fourth optical element components