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John C. B. Saw
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Nepean, CA
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last 30 patents
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Patent Grant
Longitudinally coupled double mode surface wave resonators
Patent number
5,835,990
Issue date
Nov 10, 1998
Northern Telecom Limited
John Choo Beng Saw
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Cascaded surface wave device filters providing balanced and unbalan...
Patent number
5,790,000
Issue date
Aug 4, 1998
Northern Telecom Limited
Ji-Dong Dai
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Surface wave devices for differential coherent detectors
Patent number
5,668,431
Issue date
Sep 16, 1997
Northern Telecom Limited
John Choo-Beng Saw
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Double mode surface wave resonators
Patent number
5,365,138
Issue date
Nov 15, 1994
Northern Telecom Limited
John C. B. Saw
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Saw device tapped delay lines
Patent number
5,122,767
Issue date
Jun 16, 1992
Northern Telecom Limited
Thomas P. Cameron
H03 - BASIC ELECTRONIC CIRCUITRY