Granted Patent
Utility
US 6,664,524 · App. 09/789,647
Focusing method
Inventors:
Yukio Ogura, Hideyuki Moribe, Yukio Morishige
Patented Case
View Patent ↗
Granted: Dec 16, 2003
Filed: Feb 21, 2001
Inventors
Yukio Ogura
Hideyuki Moribe
Yukio Morishige
Assignee (at issue)
NEC CORPORATION
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.