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. 05, 2016
Filed:
Sep. 11, 2014
Applicants:
Optical Logic Inc., Nagano, JP;
Kantatsu Co., Ltd., Tochigi, JP;
Inventors:
Yoji Kubota, Nagano, JP;
Kenichi Kubota, Nagano, JP;
Hitoshi Hirano, Nagano, JP;
Yoshio Ise, Tochigi, JP;
Sayuri Noda, Tochigi, JP;
Assignees:
OPTICAL LOGIC INC., Nagano, JP;
KANTATSU CO., LTD., Tochigi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 3/02 (2006.01); G02B 13/18 (2006.01); G02B 9/60 (2006.01); G02B 9/62 (2006.01); G02B 13/00 (2006.01); G02B 3/04 (2006.01); G02B 5/00 (2006.01);
U.S. Cl.
CPC ...
G02B 9/62 (2013.01); G02B 13/0045 (2013.01); G02B 3/04 (2013.01); G02B 5/005 (2013.01); G02B 13/001 (2013.01); G02B 13/002 (2013.01); G02B 13/0015 (2013.01); G02B 13/18 (2013.01);
Abstract
An imaging lens includes a first lens having positive refractive power; a second lens having negative refractive power; a third lens having positive refractive power; a fourth lens having positive refractive power; a fifth lens having negative refractive power; and a sixth lens having negative refractive power. The first to sixth lenses have specific Abbe's numbers to satisfy specific conditions.