Granted Patent
Utility
US 6,684,024 · App. 09/780,429
Method and apparatus for recording and playing back monitored video data
Inventors:
Koichi Ono, Takayuki Kanesaki, Hideo Nishijima
Patented Case
View Patent ↗
Granted: Jan 27, 2004
Filed: Feb 12, 2001
Inventors
Koichi Ono
Takayuki Kanesaki
Hideo Nishijima
Assignee (at issue)
HITACHI, 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.