Granted Patent
Utility
US 5,604,427 · App. 08/547,369
Current reference circuit using PTAT and inverse PTAT subcircuits
Inventor:
Katsuji Kimura
Patented Case
View Patent ↗
Granted: Feb 18, 1997
Filed: Oct 24, 1995
Inventor
Katsuji Kimura
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.