Granted Patent
Utility
US 6,034,577 · App. 09/158,071
Integrated interdigital electrode saw filter with specified distances between input/output electrodes
Inventors:
Kuniyuki Matsui, Yasuhiro Hirao, Yasumi Kobayashi, Kousuke Takeuchi, Kenichi Shibata
Patented Case
View Patent ↗
Granted: Mar 7, 2000
Filed: Sep 22, 1998
Inventors
Kuniyuki Matsui
Yasuhiro Hirao
Yasumi Kobayashi
Kousuke Takeuchi
Kenichi Shibata
Assignee (at issue)
SANYO ELECTRIC 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.