Granted Patent
Utility
US 6,771,307 · App. 09/797,103
Image calibration device and image calibration method
Inventors:
Mitsuji Waki, Tadashi Nishio, Akihiro Kubota, Masaki Higurashi
Patented Case
View Patent ↗
Granted: Aug 3, 2004
Filed: Mar 1, 2001
Inventors
Mitsuji Waki
Tadashi Nishio
Akihiro Kubota
Masaki Higurashi
Assignee (at issue)
Olympus 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.