Granted Patent
Utility
US 6,445,870 · App. 08/919,352
Image compression and expansion device
Inventor:
Nobuaki Abe
Patented Case
View Patent ↗
Granted: Sep 3, 2002
Filed: Aug 28, 1997
Inventor
Nobuaki Abe
Assignee (at issue)
Asahi Kogaku Kogyo Kabushiki Kaisha
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.