TH

Thomas S. Hickernell

Motorola: 11 patents #806 of 12,470Top 7%
CT Cts: 4 patents #60 of 352Top 20%
📍 Tempe, AZ: #180 of 2,648 inventorsTop 7%
🗺 Arizona: #2,331 of 32,909 inventorsTop 8%
Overall (All Time): #328,003 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
6201457 Notch filter incorporating saw devices and a delay line 2001-03-13
6172582 Saw resonator and ladder filter with specified number of reflector electrode fingers 2001-01-09
6025762 Delay line incorporating a surface acoustic wave ladder filter and method of providing same Manas K. Roy, David Penunuri 2000-02-15
5949306 Saw ladder filter with split resonators and method of providing same 1999-09-07
5638036 Acoustic wave ladder filter with unequal series and shunt transducer periodicities and method of making David Penunuri 1997-06-10
5635883 Acoustic wave filter with filter-shaping element and method David Penunuri, Frederick Y. Cho 1997-06-03
5600287 Acoustic wave filter with reduced bulk-wave scattering loss, ladder filter incorporating same and method Philip P. Kwan, David Penunuri 1997-02-04
5471178 Ladder filter and method for producing conjugately matched impedance 1995-11-28
5434466 Acoustic wave filter with reduced bulk-wave scattering loss and method David Penunuri 1995-07-18
5327626 Method for processing robust acoustic reflectors Frederick Y. Cho, David Penunuri 1994-07-12
5313177 Method and apparatus for an acoustic wave filter David Penunuri 1994-05-17
5296824 Low loss wide bandwidth parallel channel acoustic filter Frederick Y. Cho, David Penunuri 1994-03-22
5270606 Processing robust acoustic reflectors Frederick Y. Cho, David Penunuri 1993-12-14
5212420 Method and apparatus for surface acoustic wave reflector grating David Penunuri, Frederick Y. Cho 1993-05-18
5162689 Single-phase uni-directional acoustic wave transducer Frederick M. Fliegel, David Penunuri 1992-11-10