Granted Patent
Utility
US 6,046,524 · App. 08/894,321
Elastic surface wave functional device and electronic circuit using the element
Inventors:
Kazuhiko Yamanouchi, Naohiro Kuze, Yoshihiko Shibata, Yasuhito Kanno
Patented Case
View Patent ↗
Granted: Apr 4, 2000
Filed: Jul 22, 1998
Inventors
Kazuhiko Yamanouchi
Naohiro Kuze
Yoshihiko Shibata
Yasuhito Kanno
Assignee (at issue)
ASAHI KASEI KOGYO CO., LTD.
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.