Granted Patent
Utility
US 6,025,757 · App. 09/191,836
Piezoelectric oscillator circuit
Inventors:
Kunihiko Tsukagoshi, Satoru Miyabe, Kazuhisa Oyama
Patented Case
View Patent ↗
Granted: Feb 15, 2000
Filed: Nov 13, 1998
Inventors
Kunihiko Tsukagoshi
Satoru Miyabe
Kazuhisa Oyama
Assignee (at issue)
Nippon Precision Circuits Inc.
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.