Granted Patent
Utility
US 6,377,140 · App. 09/526,490
Saw resonator filter with bridged-T configuration
Inventors:
Hisanori Ehara, Hajime Shimamura, Yoshiaki Fujita, Tomokazu Komazaki
Patented Case
View Patent ↗
Granted: Apr 23, 2002
Filed: Mar 15, 2000
Inventors
Hisanori Ehara
Hajime Shimamura
Yoshiaki Fujita
Tomokazu Komazaki
Assignee (at issue)
OKI ELECTRIC INDUSTRY 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.