Granted Patent
Utility
US 6,833,849 · App. 09/620,113
Video contents access method that uses trajectories of objects and apparatus therefor
Inventors:
Masato Kurokawa, Tomio Echigo
Patented Case
View Patent ↗
Granted: Dec 21, 2004
Filed: Jul 20, 2000
Inventors
Masato Kurokawa
Tomio Echigo
Assignee (at issue)
International Business Machines 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.