Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Taro Asami0
Takashi Suzuki0
Date of Patent
August 31, 2010
Patent Application Number
12201846
Date Filed
August 29, 2008
Patent Citations Received
Patent Primary Examiner
Patent abstract
An imaging lens is provided and includes: in order from an object side of the imaging lens, a first lens group having a positive power as a whole; a second lens group, in which an object-side surface of a lens closest to the object side is concave toward the object side; a third lens group of a single lens having a positive power; and a fourth lens group having a negative power as a whole.
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