Granted Patent
Utility
US 6,822,704 · App. 09/870,749
Active matrix liquid crystal display device
Inventors:
Michiaki Sakamoto, Muneo Maruyama, Yuji Yamamoto, Mamoru Okamoto
Patented Case
View Patent ↗
Granted: Nov 23, 2004
Filed: Jun 1, 2001
Inventors
Michiaki Sakamoto
Muneo Maruyama
Yuji Yamamoto
Mamoru Okamoto
Assignee (at issue)
NEC LCD Technologies, 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.