Granted Patent
Utility
US 6,259,186 · App. 09/453,832
Surface acoustic wave functional wave
Inventors:
Yoshihiko Shibata, Naohiro Kuze
Patented Case
View Patent ↗
Granted: Jul 10, 2001
Filed: Dec 2, 1999
Inventors
Yoshihiko Shibata
Naohiro Kuze
Assignee (at issue)
ASAHI KASEI KABUSHIKI KAISHA
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.