IP Library › Granted Patent US 6,825,993
Granted Patent Utility
US 6,825,993 · Confirmation No. 8542

WIDE-ANGLE LENS HAVING ASPHERIC SURFACE

Inventor: Takayuki Noda
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Quick Facts
Patent No.
US 6,825,993
App. No.
10/370,758
Filed
2003-02-24
Granted
2004-11-30
Pub. No.
US20030174410A1
Art Unit
2873
PTA
0 days