Granted Patent
Utility
US 6,175,264 · App. 09/267,158
Charge pump for generating negative voltage without change of threshold due to undesirable back-gate biasing effect
Inventor:
Toshikatsu Jinbo
Patented Case
View Patent ↗
Granted: Jan 16, 2001
Filed: Mar 12, 1999
Inventor
Toshikatsu Jinbo
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.