Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Keishi Yoshikawa0
Fumio Ishibashi0
Jindai Yamaguchi0
Date of Patent
April 12, 2011
0Patent Application Number
124758510
Date Filed
June 1, 2009
0Patent Citations Received
Patent Primary Examiner
Patent abstract
The synthetic resin lens has a function to generate heat by selectively absorbing infrared rays with wavelengths of 780 to 3000 nm. The synthetic resin lens includes an infrared absorber. Selective absorption of infrared rays allows the synthetic resin lens itself to generate heat and thus the lens of the present invention has the same function as being electrically heated to prevent fogging.
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