Granted Patent
Utility
US 6,498,900 · App. 09/583,027
Automatic focusing apparatus
Inventors:
Masahiro Nakata, Satoru Horita
Patented Case
View Patent ↗
Granted: Dec 24, 2002
Filed: May 30, 2000
Inventors
Masahiro Nakata
Satoru Horita
Assignee (at issue)
Asahi Kogaku Kogyo 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.