Granted Patent
Utility
US 6,686,899 · App. 09/988,209
Display device having an improved voltage level converter circuit
Inventors:
Toshio Miyazawa, Hideo Satou, Tomohiko Satou, Masahiro Maki
Patented Case
View Patent ↗
Granted: Feb 3, 2004
Filed: Nov 19, 2001
Inventors
Toshio Miyazawa
Hideo Satou
Tomohiko Satou
Masahiro Maki
Assignees (at issue)
HITACHI, LTD.
Hitachi Device Engineering 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.