Granted Patent
Utility
US 6,021,080 · App. 08/821,927
Semiconductor memory device having a voltage converting circuit
Inventor:
Kazutaka Miyano
Patented Case
View Patent ↗
Granted: Feb 1, 2000
Filed: Mar 21, 1997
Inventor
Kazutaka Miyano
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.