Granted Patent
Utility
US 6,499,663 · App. 09/529,651
Image input system
Inventors:
Kouichi Yahagi, Masumi Kasahara, Hiroki Nakajima
Patented Case
View Patent ↗
Granted: Dec 31, 2002
Filed: Apr 18, 2000
Inventors
Kouichi Yahagi
Masumi Kasahara
Hiroki Nakajima
Assignees (at issue)
HITACHI, LTD.
Hitachi Tohbu Semiconductor, 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.