Granted Patent
Utility
US 6,111,469 · App. 09/137,144
Charge pumping circuit and PLL frequency synthesizer
Inventor:
Masahiro Adachi
Patented Case
View Patent ↗
Granted: Aug 29, 2000
Filed: Aug 20, 1998
Inventor
Masahiro Adachi
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.