Granted Patent
Utility
US 5,887,480 · App. 08/878,409
Piezoelectric vibratory gyroscope utilizing an energy-trapping vibration mode
Inventors:
Tetsuo Yoshida, Naoki Wakou, Hiroshi Abe, Hiroshi Watanabe
Patented Case
View Patent ↗
Granted: Mar 30, 1999
Filed: Jun 18, 1997
Inventors
Tetsuo Yoshida
Naoki Wakou
Hiroshi Abe
Hiroshi Watanabe
Assignee (at issue)
TOKIN 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.