Granted Patent
Utility
US 5,812,018 · App. 08/782,281
Voltage booster circuit
Inventors:
Naoaki Sudo, Toshio Takeshima
Patented Case
View Patent ↗
Granted: Sep 22, 1998
Filed: Jan 13, 1997
Inventors
Naoaki Sudo
Toshio Takeshima
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.