Granted Patent
Utility
US 5,444,302 · App. 08/168,506
Semiconductor device including multi-layer conductive thin film of polycrystalline material
Inventors:
Takashi Nakajima, Hideo Miura, Hiroyuki Ohta, Noriaki Okamoto
Patented Case
View Patent ↗
Granted: Aug 22, 1995
Filed: Dec 22, 1993
Inventors
Takashi Nakajima
Hideo Miura
Hiroyuki Ohta
Noriaki Okamoto
Assignee (at issue)
HITACHI, 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.