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Philip P. Kwan
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Tempe, AZ, US
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last 30 patents
Information
Patent Grant
Saw filter device for radio tranceiver utilizing different coupling...
Patent number
5,726,610
Issue date
Mar 10, 1998
Motorola Inc.
Donald Eugene Allen
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Saw-based ladder filter including multiple coUpling coefficients (K...
Patent number
5,654,680
Issue date
Aug 5, 1997
Motorola, Inc.
Philip Pak-Lin Kwan
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Filter
Patent number
5,632,909
Issue date
May 27, 1997
Motorola, Inc.
Donald E. Allen
H03 - BASIC ELECTRONIC CIRCUITRY
Information
Patent Grant
Integrated radiating and coupling device for duplex communications
Patent number
5,603,098
Issue date
Feb 11, 1997
Motorola, Inc.
Philip P.-L. Kwan
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Acoustic wave filter with reduced bulk-wave scattering loss, ladder...
Patent number
5,600,287
Issue date
Feb 4, 1997
Motorola, Inc.
Philip P. Kwan
H03 - BASIC ELECTRONIC CIRCUITRY