Granted Patent
Utility
US 5,113,088 · App. 07/519,572
Substrate bias generating circuitry stable against source voltage changes
Inventors:
Takayuki Yamamoto, Sampei Miyamoto
Patented Case
View Patent ↗
Granted: May 12, 1992
Filed: May 7, 1990
Inventors
Takayuki Yamamoto
Sampei Miyamoto
Assignee (at issue)
OKI ELECTRIC INDUSTRY CO., LTD.
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.