Granted Patent
Utility
US 6,175,665 · App. 09/092,633
Image inquiry circuit capable of comparing reference image and retrieval object image
Inventor:
Akira Sawada
Patented Case
View Patent ↗
Granted: Jan 16, 2001
Filed: Jun 5, 1998
Inventor
Akira Sawada
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.