Granted Patent
Utility
US 5,802,000 · App. 08/909,782
Highly integrated semiconductor device having stepwise bit lines
Inventor:
Takehiko Hamada
Patented Case
View Patent ↗
Granted: Sep 1, 1998
Filed: Aug 12, 1997
Inventor
Takehiko Hamada
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.