Granted Patent
Utility
US 4,855,863 · App. 07/079,386
Integrated circuit having two circuit blocks therein independently energized through different power supply terminals
Inventor:
Kazuki Yoshitake
Patented Case
View Patent ↗
Granted: Aug 8, 1989
Filed: Jul 30, 1987
Inventor
Kazuki Yoshitake
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.