Granted Patent
Utility
US 6,696,736 · App. 10/332,958
Piezoelectric substrate for surface acoustic wave device, and surface acoustic wave device
Inventors:
Kenji Inoue, Katsuo Sato, Hiroki Morikoshi, Jun Sato
Patented Case
View Patent ↗
Granted: Feb 24, 2004
Filed: Jan 14, 2003
Inventors
Kenji Inoue
Katsuo Sato
Hiroki Morikoshi
Jun Sato
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.