Granted Patent
Utility
US 6,809,883 · App. 10/358,294
Autofocus system
Inventors:
Satoshi Yahagi, Tadashi Sasaki
Patented Case
View Patent ↗
Granted: Oct 26, 2004
Filed: Feb 5, 2003
Inventors
Satoshi Yahagi
Tadashi Sasaki
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.