Granted Patent
Utility
US 6,058,487 · App. 09/089,665
Period measuring circuit with maximum frequency cutoff
Inventor:
Kazunari Isoda
Patented Case
View Patent ↗
Granted: May 2, 2000
Filed: Jun 3, 1998
Inventor
Kazunari Isoda
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.