Granted Patent
Utility
US 6,825,993 · App. 10/370,758
Wide-angle lens having aspheric surface
Inventor:
Takayuki Noda
Patented Case
View Patent ↗
Granted: Nov 30, 2004
Filed: Feb 24, 2003
Inventor
Takayuki Noda
Assignee (at issue)
Fuji Photo Optical Co., Ltd.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.