Granted Patent
Utility
US 6,552,707 · App. 09/305,109
Drive method for liquid crystal display device and drive circuit
Inventor:
Tatsumi Fujiyoshi
Patented Case
View Patent ↗
Granted: Apr 22, 2003
Filed: May 4, 1999
Inventor
Tatsumi Fujiyoshi
Assignees (at issue)
ALPS ELECTRIC CO., LTD.
LG Philips LCD Co., 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.