Granted Patent
Utility
US 6,608,939 · App. 09/859,636
Image encoder
Inventor:
Taisuke Matsumoto
Patented Case
View Patent ↗
Granted: Aug 19, 2003
Filed: May 18, 2001
Inventor
Taisuke Matsumoto
Assignee (at issue)
SUMITOMO ELECTRIC INDUSTRIES, LTD.
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.