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:
Jan. 03, 2012
Filed:
Feb. 18, 2009
Applicant:
Sayako Yamamoto, Kawasaki, JP;
Inventor:
Sayako Yamamoto, Kawasaki, JP;
Assignee:
Nikon Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 9/62 (2006.01); G02B 9/60 (2006.01); G02B 9/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A lens system has the following components in order from an object side: one negative lens component; a positive lens component; a negative lens component having a concave surface of a large curvature on an image side; an aperture stop; a negative lens component having a concave surface of a large curvature on the object side; and a positive lens component; the lens system satisfies a condition of the following expression: 0.75<SF1<1.60,
Yamamoto, Sayako. (2012). Lens system, optical device with lens system, and method of manufacturing lens system (U.S. Patent No. 8089708). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8089708
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile