Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Tomohiro Yonezawa0
Hitoshi Hirano0
Kenichi Kubota0
Yoji Kubota0
Date of Patent
May 28, 2019
0Patent Application Number
156573030
Date Filed
July 24, 2017
0Patent Citations Received
0
0
Patent Primary Examiner
Patent abstract
An imaging lens includes a first lens group; a second lens group; and a third lens group, arranged in this order from an object side to an image plane side. The first lens group includes a first lens, a second lens, and a third lens. The second lens group includes a fourth lens and a fifth lens having negative refractive power. The third lens group includes a sixth lens having negative refractive power and a seventh lens.
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