Granted Patent
Utility
US 6,801,194 · App. 09/981,804
Active matrix display device
Inventors:
Toshio Miyazawa, Iwao Takemoto, Atsushi Hasegawa, Masashiro Maki, Kazutaka Goto
Patented Case
View Patent ↗
Granted: Oct 5, 2004
Filed: Oct 19, 2001
Inventors
Toshio Miyazawa
Iwao Takemoto
Atsushi Hasegawa
Masashiro Maki
Kazutaka Goto
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.