Granted Patent
Utility
US 6,198,506 · App. 09/475,665
Multipoint autofocus system having a line sensor
Inventors:
Masahiro Nakata, Shigeru Iwamoto
Patented Case
View Patent ↗
Granted: Mar 6, 2001
Filed: Dec 30, 1999
Inventors
Masahiro Nakata
Shigeru Iwamoto
Assignee (at issue)
Asahi Kogaku Kabushiki Kaisha
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.