Granted Patent
Utility
US 5,663,085 · App. 08/637,036
Method for fabricating capacitive element of semiconductor memory device
Inventor:
Takaho Tanigawa
Patented Case
View Patent ↗
Granted: Sep 2, 1997
Filed: Apr 24, 1996
Inventor
Takaho Tanigawa
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.