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:
Mar. 20, 2012
Filed:
Jul. 12, 2007
Kenzaburo Suzuki, Yokohama, JP;
Kenzaburo Suzuki, Yokohama, JP;
Nikon Corporation, Tokyo, JP;
Abstract
An eye piece (EL) is formed having a first lens (L) having a positive refractive power and a second lens (L) having a positive refractive power, which are disposed in order from an object (O), and a contact multi-layer diffractive optical element (DOE), which has a first optical element () formed with a relief pattern and a second optical element () which is in contact with the surface of the first optical element () where the relief pattern is formed, is disposed on an optical surface of the first lens (L) or the second lens (L).
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile