Granted Patent
Utility
US 6,580,198 · App. 09/871,814
Surface acoustic wave device having a thin metal oxide film fully covering at least the electrodes and method of fabricating same
Inventors:
Masahiro Nakano, Michiyuki Nakazawa, Katsuo Sato
Patented Case
View Patent ↗
Granted: Jun 17, 2003
Filed: Jun 4, 2001
Inventors
Masahiro Nakano
Michiyuki Nakazawa
Katsuo 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.