Granted Patent
Utility
US 6,118,313 · App. 09/036,020
Digital frequency multiplying circuit
Inventors:
Masayuki Yakabe, Jirou Ookuri
Patented Case
View Patent ↗
Granted: Sep 12, 2000
Filed: Mar 6, 1998
Inventors
Masayuki Yakabe
Jirou Ookuri
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.