Granted Patent
Utility
US 5,706,497 · App. 08/290,332
Document retrieval using fuzzy-logic inference
Inventors:
Kousuke Takahashi, Karvel K. Thornber
Patented Case
View Patent ↗
Granted: Jan 6, 1998
Filed: Aug 15, 1994
Inventors
Kousuke Takahashi
Karvel K. Thornber
Assignees (at issue)
NEC Research Institute, Inc.
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.