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:
Apr. 12, 2011
Filed:
May. 15, 2008
Hiroaki Kobayashi, Saitama, JP;
Hiroaki Kobayashi, Saitama, JP;
Fujinon Corporation, Saitama-shi, JP;
Abstract
An imaging lens is provided and includes: in order from the object side, a first lens group including a biconcave lens; a second lens including two lenses whose convex surfaces are arranged opposite to each other and having a positive refractive power as a whole; a third lens group including a biconcave lens; and a fourth lens group including two lenses whose convex surfaces are arranged opposite to each other and having positive refractive power, as a whole, the imaging lens satisfying the specific condition.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile