Assignee
TFR TECHNOLOGIES INC
US·14 granted patents·1,686 citations·filing 1990–2001
Top patents by PatentIndex Score
14 records- 0198US6720844B1Coupled resonator bulk acoustic wave filterTFR TECHNOLOGIES INC·Filed 2001·Granted Apr 13, 2004·283 cites·16 claims
- 0298US6107721APiezoelectric resonators on a differentially offset reflectorTFR TECHNOLOGIES INC·Filed 1999·Granted Aug 22, 2000·332 cites·2 claims
- 0397US5894647AMethod for fabricating piezoelectric resonators and productTFR TECHNOLOGIES INC·Filed 1997·Granted Apr 20, 1999·277 cites·10 claims
- 0496US5821833AStacked crystal filter device and method of makingTFR TECHNOLOGIES INC·Filed 1995·Granted Oct 13, 1998·126 cites·18 claims
- 0595US6114635AChip-scale electronic component packageTFR TECHNOLOGIES INC·Filed 1998·Granted Sep 5, 2000·125 cites·12 claims
- 0693US5231327AOptimized piezoelectric resonator-based networksTFR TECHNOLOGIES INC·Filed 1990·Granted Jul 27, 1993·179 cites·10 claims
- 0792US6291931B1Piezoelectric resonator with layered electrodesTFR TECHNOLOGIES INC·Filed 1999·Granted Sep 18, 2001·75 cites·12 claims
- 0892US5942958ASymmetrical piezoelectric resonator filterTFR TECHNOLOGIES INC·Filed 1998·Granted Aug 24, 1999·74 cites·12 claims
- 0992US5630949AMethod and apparatus for fabricating a piezoelectric resonator to a resonant frequencyTFR TECHNOLOGIES INC·Filed 1995·Granted May 20, 1997·83 cites·22 claims
- 1084US6239536B1Encapsulated thin-film resonator and fabrication methodTFR TECHNOLOGIES INC·Filed 1998·Granted May 29, 2001·43 cites·18 claims
- 1183US5404628AMethod for optimizing piezoelectric resonator-based networksTFR TECHNOLOGIES INC·Filed 1993·Granted Apr 11, 1995·50 cites·17 claims
- 1270US5777532AInterdigital slow wave coplanar transmission lineTFR TECHNOLOGIES INC·Filed 1997·Granted Jul 7, 1998·21 cites·17 claims
- 1363US6686128B1Method of fabricating patterned layers of material upon a substrateTFR TECHNOLOGIES INC·Filed 2001·Granted Feb 3, 2004·9 cites·6 claims
- 1453US6242992B1Interdigital slow-wave coplanar transmission line resonator and couplerTFR TECHNOLOGIES INC·Filed 1999·Granted Jun 5, 2001·9 cites·16 claims
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