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. 24, 2006
Filed:
Mar. 08, 2004
Applicant:
Satoshi DO, Saitama, JP;
Inventor:
Satoshi Do, Saitama, JP;
Assignees:
Milestone Co., Ltd., Saitama, JP;
Other;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G02B 9/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention is an imaging lens in which various aberrations are satisfactorily corrected, the optical length is short, and a sufficient back focus is secured. The imaging lens is constituted by arranging a first lens L, an aperture diaphragm S, a second lens L, and a third lens Lin succession from the object side to the image side.