Granted Patent
Utility
US 6,198,208 · App. 09/558,586
Thin film piezoelectric device
Inventors:
Yoshihiko Yano, Takao Noguchi, Hidenori Abe, Hisatoshi Saitou
Patented Case
View Patent ↗
Granted: Mar 6, 2001
Filed: Apr 26, 2000
Inventors
Yoshihiko Yano
Takao Noguchi
Hidenori Abe
Hisatoshi Saitou
Assignee (at issue)
TDK 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.