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:
Jul. 13, 2010
Filed:
Jan. 16, 2008
Applicant:
Minoru Taniyama, Saitama, JP;
Inventor:
Minoru Taniyama, Saitama, JP;
Assignee:
Fujinon Corporation, Saitama, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 9/34 (2006.01); G02B 13/18 (2006.01);
U.S. Cl.
CPC ...
Abstract
An imaging lens is provided and includes: in order from an object side of the imaging lens, a first lens having a positive refractive power and having a convex surface on the object side; a second lens having a negative refractive power and having a concave surface on the object side; a third lens having a positive refractive power in the vicinity of an optical axis thereof; and a fourth lens of a meniscus lens having a negative refractive power and having a convex surface on the object side, the imaging lens satisfying the specific conditional expressions.