Granted Patent
Utility
US 6,542,038 · App. 09/986,288
PLL circuit having a phase offset detecting phase comparator
Inventors:
Kazuko Nishimura, Toru Iwata
Patented Case
View Patent ↗
Granted: Apr 1, 2003
Filed: Nov 8, 2001
Inventors
Kazuko Nishimura
Toru Iwata
Assignee (at issue)
SUMITOMO ELECTRIC INDUSTRIES, 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.