Granted Patent
Utility
US 6,493,654 · App. 09/475,067
Fault distribution analyzing system
Inventor:
Masaaki Sugimoto
Patented Case
View Patent ↗
Granted: Dec 10, 2002
Filed: Dec 30, 1999
Inventor
Masaaki Sugimoto
Assignee (at issue)
NEC 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.