| Utility: TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATOR WITH PERIODIC ETCHED HOLES Filling date: 25 Sep 2025 Issue date: 3 Jun 2021 | 5 Feb 2021 | 3 Jun 2021 |
| Utility: TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATOR WITH INTERDIGITAL TRANSDUCER WITH VARIED MARK AND PITCH Filling date: 25 Sep 2025 Issue date: 20 May 2021 | 21 Dec 2020 | 20 May 2021 |
| Utility: FILTER USING TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATORS WITH MULTIPLE FREQUENCY SETTING LAYERS Filling date: 25 Sep 2025 Issue date: 13 May 2021 | 21 Jan 2021 | 13 May 2021 |
| Utility: Ultra-wide-band saw sensor with hyperbolically frequency-modulated etched reflector Filling date: 25 Sep 2025 Issue date: 11 May 2021 | 1 May 2020 | 11 May 2021 |
| Utility: Film bulk acoustic resonator fabrication method with frequency trimming based on electric measurements prior to cavity etch Filling date: 25 Sep 2025 Issue date: 4 May 2021 | 7 Aug 2020 | 4 May 2021 |
| Utility: XBAR resonators with non-rectangular diaphragms Filling date: 25 Sep 2025 Issue date: 4 May 2021 | 2 Apr 2020 | 4 May 2021 |
| Utility: TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATORS WITH TWO-LAYER ELECTRODES HAVING A NARROWER TOP LAYER Filling date: 25 Sep 2025 Issue date: 29 Apr 2021 | 23 Dec 2020 | 29 Apr 2021 |
| Utility: TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATORS WITH TWO-LAYER ELECTRODES WITH A WIDER TOP LAYER Filling date: 25 Sep 2025 Issue date: 29 Apr 2021 | 23 Dec 2020 | 29 Apr 2021 |
| Utility: Transversely-excited film bulk acoustic resonators with electrodes having a second layer of variable width Filling date: 25 Sep 2025 Issue date: 27 Apr 2021 | 10 Nov 2020 | 27 Apr 2021 |
| Utility: High power transversely-excited film bulk acoustic resonators on rotated Z-cut lithium niobate Filling date: 25 Sep 2025 Issue date: 27 Apr 2021 | 25 Sep 2020 | 27 Apr 2021 |
| Utility: Filter using transversely-excited film bulk acoustic resonators with multiple frequency setting layers Filling date: 25 Sep 2025 Issue date: 27 Apr 2021 | 8 Jul 2020 | 27 Apr 2021 |
| Utility: FILM BULK ACOUSTIC RESONATORS IN THIN LN-LT LAYERS Filling date: 25 Sep 2025 Issue date: 22 Apr 2021 | 17 Dec 2020 | 22 Apr 2021 |
| Utility: XBAR FRONTSIDE ETCH PROCESS USING POLYSILICON SACRIFICIAL LAYER Filling date: 25 Sep 2025 Issue date: 22 Apr 2021 | 9 Dec 2020 | 22 Apr 2021 |
| Utility: WIDE BANDWIDTH TIME DIVISION DUPLEX TRANSCEIVER Filling date: 25 Sep 2025 Issue date: 22 Apr 2021 | 1 Dec 2020 | 22 Apr 2021 |
| Utility: Transversely-excited film bulk acoustic resonator and filter with a uniform-thickness dielectric overlayer Filling date: 25 Sep 2025 Issue date: 20 Apr 2021 | 23 Sep 2020 | 20 Apr 2021 |
| Utility: Filter devices having high power transversely-excited film bulk acoustic resonators Filling date: 25 Sep 2025 Issue date: 20 Apr 2021 | 18 Aug 2020 | 20 Apr 2021 |
| Utility: Transversely excited film bulk acoustic resonator with recessed interdigital transducer fingers Filling date: 25 Sep 2025 Issue date: 20 Apr 2021 | 14 Aug 2020 | 20 Apr 2021 |
| Utility: FILTER USING TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATORS WITH TWO FREQUENCY SETTING LAYERS Filling date: 25 Sep 2025 Issue date: 15 Apr 2021 | 22 Dec 2020 | 15 Apr 2021 |
| Utility: XBAR RESONATORS WITH NON-RECTANGULAR DIAPHRAGMS Filling date: 25 Sep 2025 Issue date: 8 Apr 2021 | 14 Dec 2020 | 8 Apr 2021 |
| Utility: XBAR RESONATORS WITH NON-RECTANGULAR DIAPHRAGMS Filling date: 25 Sep 2025 Issue date: 8 Apr 2021 | 14 Dec 2020 | 8 Apr 2021 |
| Utility: TRANSVERSELY EXCITED FILM BULK ACOUSTIC RESONATOR WITH RECESSED INTERDIGITAL TRANSDUCER FINGERS Filling date: 25 Sep 2025 Issue date: 8 Apr 2021 | 14 Dec 2020 | 8 Apr 2021 |
| Utility: TRANSVERSLY-EXCITED FILM BULK ACOUSTIC RESONATORS AND FILTERS Filling date: 25 Sep 2025 Issue date: 25 Mar 2021 | 2 Dec 2020 | 25 Mar 2021 |
| Utility: TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATOR WITH LATERAL ETCH STOP Filling date: 25 Sep 2025 Issue date: 25 Mar 2021 | 2 Dec 2020 | 25 Mar 2021 |
| Utility: TRANSVERSELY-EXCITED FILM BULK ACOUSTIC FILTER USING PITCH TO ESTABLISH FREQUENCY SEPARATION BETWEEN RESONATORS Filling date: 25 Sep 2025 Issue date: 25 Mar 2021 | 2 Dec 2020 | 25 Mar 2021 |
| Utility: SOLIDLY-MOUNTED TRANSVERSELY-EXCITED BULK ACOUSTIC RESONATOR SPLIT LADDER FILTER Filling date: 25 Sep 2025 Issue date: 25 Mar 2021 | 13 Nov 2020 | 25 Mar 2021 |
| Utility: SPECTRAL ANALYSIS OF ELECTRONIC CIRCUITS Filling date: 25 Sep 2025 Issue date: 18 Mar 2021 | 30 Nov 2020 | 18 Mar 2021 |
| Utility: WIDE BANDWIDTH TEMPERATURE-COMPENSATED TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATOR Filling date: 25 Sep 2025 Issue date: 18 Mar 2021 | 11 Nov 2020 | 18 Mar 2021 |
| Utility: SYMMETRIC TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATORS WITH REDUCED SPURIOUS MODES Filling date: 25 Sep 2025 Issue date: 11 Mar 2021 | 27 Oct 2020 | 11 Mar 2021 |
| Utility: Film bulk acoustic resonators in thin LN-LT layers Filling date: 25 Sep 2025 Issue date: 9 Mar 2021 | 5 Nov 2020 | 9 Mar 2021 |
| Utility: TRANSVERSELY-EXCITED BULK ACOUSTIC RESONATOR SPLIT LADDER FILTER Filling date: 25 Sep 2025 Issue date: 4 Mar 2021 | 12 Nov 2020 | 4 Mar 2021 |
| Utility: MULTI-PORT FILTER USING TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATORS Filling date: 25 Sep 2025 Issue date: 4 Mar 2021 | 10 Nov 2020 | 4 Mar 2021 |
| Utility: TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATOR WITH INTERDIGITAL TRANSDUCER WITH VARIED MARK AND PITCH Filling date: 25 Sep 2025 Issue date: 4 Mar 2021 | 28 Feb 2020 | 4 Mar 2021 |
| Utility: FILM BULK ACOUSTIC RESONATORS IN THIN LN-LT LAYERS Filling date: 25 Sep 2025 Issue date: 25 Feb 2021 | 5 Nov 2020 | 25 Feb 2021 |
| Utility: FILTER USING TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATORS WITH DIVIDED FREQUENCY-SETTING DIELECTRIC LAYERS Filling date: 25 Sep 2025 Issue date: 25 Feb 2021 | 28 Oct 2020 | 25 Feb 2021 |
| Utility: ACOUSTIC WAVE BAND-PASS FILTER WITH LOW LOSS LC NOTCH MATCHING NETWORK Filling date: 25 Sep 2025 Issue date: 25 Feb 2021 | 23 Aug 2019 | 25 Feb 2021 |
| Utility: TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATOR PACKAGE Filling date: 25 Sep 2025 Issue date: 18 Feb 2021 | 29 Oct 2020 | 18 Feb 2021 |
| Utility: TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATOR PACKAGE Filling date: 25 Sep 2025 Issue date: 11 Feb 2021 | 29 Oct 2020 | 11 Feb 2021 |
| Utility: TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATOR PACKAGE Filling date: 25 Sep 2025 Issue date: 11 Feb 2021 | 28 Oct 2020 | 11 Feb 2021 |
| Utility: TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATOR PACKAGE Filling date: 25 Sep 2025 Issue date: 11 Feb 2021 | 28 Oct 2020 | 11 Feb 2021 |
| Utility: FILTER USING TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATORS WITH DIVIDED FREQUENCY-SETTING DIELECTRIC LAYERS Filling date: 25 Sep 2025 Issue date: 11 Feb 2021 | 27 Oct 2020 | 11 Feb 2021 |
| Utility: TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATOR PACKAGE AND METHOD Filling date: 25 Sep 2025 Issue date: 11 Feb 2021 | 9 Oct 2020 | 11 Feb 2021 |
| Utility: Split ladder acoustic wave filters Filling date: 25 Sep 2025 Issue date: 9 Feb 2021 | 26 Dec 2019 | 9 Feb 2021 |
| Utility: Bandpass filter with frequency separation between shunt and series resonators set by dielectric layer thickness Filling date: 25 Sep 2025 Issue date: 9 Feb 2021 | 20 Nov 2019 | 9 Feb 2021 |
| Utility: Solidly mounted transversely excited film bulk acoustic resonator using rotated Z-cut lithium niobate Filling date: 25 Sep 2025 Issue date: 2 Feb 2021 | 28 Jul 2020 | 2 Feb 2021 |
| Utility: Transversely-excited film bulk acoustic resonator with etch-stop layer Filling date: 25 Sep 2025 Issue date: 2 Feb 2021 | 20 Jul 2020 | 2 Feb 2021 |
| Utility: Transversely-excited film bulk acoustic resonator with lateral etch stop Filling date: 25 Sep 2025 Issue date: 2 Feb 2021 | 26 Jun 2020 | 2 Feb 2021 |
| Utility: TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATOR WITH HALF-LAMBDA DIELECTRIC LAYER Filling date: 25 Sep 2025 Issue date: 28 Jan 2021 | 13 Oct 2020 | 28 Jan 2021 |
| Utility: TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATOR WITH DIAPHRAGM SUPPORT PEDESTALS Filling date: 25 Sep 2025 Issue date: 28 Jan 2021 | 23 Sep 2020 | 28 Jan 2021 |
| Utility: TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATOR WITH REDUCED SPURIOUS MODES Filling date: 25 Sep 2025 Issue date: 28 Jan 2021 | 23 Sep 2020 | 28 Jan 2021 |
| Utility: TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATOR AND FILTER WITH A UNIFORM-THICKNESS DIELECTRIC OVERLAYER Filling date: 25 Sep 2025 Issue date: 28 Jan 2021 | 23 Sep 2020 | 28 Jan 2021 |
