Granted Patent
Utility
US 6,781,523 · App. 10/108,469
Road traffic monitoring system
Inventors:
Toshiaki Matsui, Harunobu Yuzawa, Akira Kobayashi
Patented Case
View Patent ↗
Granted: Aug 24, 2004
Filed: Mar 29, 2002
Inventors
Toshiaki Matsui
Harunobu Yuzawa
Akira Kobayashi
Assignees (at issue)
National Institute of Information and Communications Technology
Kinashi Denki Manufacturing 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.