Granted Patent
Utility
US 5,467,270 · App. 07/827,038
System and method for POS based fuzzy theory utilizing data extraction
Inventor:
Hiroshi Matsumoto
Patented Case
View Patent ↗
Granted: Nov 14, 1995
Filed: Jan 29, 1992
Inventor
Hiroshi Matsumoto
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.