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:
Nov. 05, 2013
Filed:
Oct. 06, 2010
Applicants:
Yutaka Hamamura, Yokohama, JP;
Kiyoshi Kadomatsu, Odawara, JP;
Yasutoshi Takada, Kawasaki, JP;
Yoshiro Tani, Mito, JP;
Inventors:
Yutaka Hamamura, Yokohama, JP;
Kiyoshi Kadomatsu, Odawara, JP;
Yasutoshi Takada, Kawasaki, JP;
Yoshiro Tani, Mito, JP;
Assignee:
Nikon Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 27/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An optical element that includes a substrate having two surfaces, each of the surfaces having a micro-relief structure that includes numerous fine protrusions, and a film that includes one or more layers including a metal layer and that is formed on one of the micro-relief structures.