Granted Patent
Utility
US 6,028,577 · App. 09/012,054
Active-matrix type liquid-crystal display
Inventor:
Michiaki Sakamoto
Patented Case
View Patent ↗
Granted: Feb 22, 2000
Filed: Jan 22, 1998
Inventor
Michiaki Sakamoto
Assignee (at issue)
NEC 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.