Granted Patent
Utility
US 6,559,433 · App. 09/297,287
Display type image sensor
Inventor:
Tokuroh Ozawa
Patented Case
View Patent ↗
Granted: May 6, 2003
Filed: Apr 29, 1999
Inventor
Tokuroh Ozawa
Assignee (at issue)
SEIKO EPSON 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.