Filter device
US-12463619-B2 · Nov 4, 2025 · US
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Jachowski Douglas patents
Jachowski Douglas is listed as an inventor on 24 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Jachowski Douglas |
| Total patents | 24 |
| First publication | Jun 4, 2020 |
| Latest publication | Nov 4, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Acoustic wave device
US-12451865-B2 · Oct 21, 2025 · US
Transversely-excited film bulk acoustic resonator filters with sub-resonators having different mark and pitch
US-12375062-B2 · Jul 29, 2025 · US
Resonator circuit using an inverter to adjust anti-resonance frequency
US-12308824-B2 · May 20, 2025 · US
Filter using transversely-excited film bulk acoustic resonators with inductively coupled sub-resonators
US-12255625-B2 · Mar 18, 2025 · US
Bandpass filter with improved upper band edge sharpness
US-12206389-B2 · Jan 21, 2025 · US
Substrate processing and membrane release of transversely-excited film bulk acoustic resonator using a sacrificial tub
US-12119805-B2 · Oct 15, 2024 · US
Transversely-excited film bulk acoustic resonator filters with sub-resonators having different mark and pitch
US-2024243727-A1 · Jul 18, 2024 · US
Transversely-excited film bulk acoustic resonator filters with sub-resonators having different mark and pitch
US-12028049-B2 · Jul 2, 2024 · US
Resonators with different membrane thicknesses on the same die
US-12021496-B2 · Jun 25, 2024 · US
Recent patents
Latest publications not already listed above.
Multiple membrane thickness wafers using layer transfer acoustic resonators and method of manufacturing same
US-2024195384-A1 · Jun 13, 2024 · US
Acoustic wave device
US-2024097649-A1 · Mar 21, 2024 · US
Filter with multiple resonators having different passivation thickness distributions
US-2023283256-A1 · Sep 7, 2023 · US
TRANSVERSELY-EXCITED FILM BULK ACOUSTIC RESONATORS WITH COUNTER CHIRPED INTERDIGITAL TRANSDUCERS (IDTs) FOR MECHANICAL AND PROCESS COMPENSATION
US-2023231534-A1 · Jul 20, 2023 · US
Filter device
US-2022393666-A1 · Dec 8, 2022 · US
Resonator circuit using an inverter to adjust anti-resonance frequency
US-2022231662-A1 · Jul 21, 2022 · US
Bandpass filter with improved upper band edge sharpness
US-2022209748-A1 · Jun 30, 2022 · US
Bandpass filter with improved upper band edge sharpness
US-11329626-B2 · May 10, 2022 · US
Resonator circuit using an inverter to adjust anti-resonance frequency
US-11323094-B2 · May 3, 2022 · US
Substrate processing and membrane release of transversely-excited film bulk acoustic resonator using a sacrificial tub
US-2022103154-A1 · Mar 31, 2022 · US
Resonators with different membrane thicknesses on the same die
US-2022069792-A1 · Mar 3, 2022 · US
Transversely-excited film bulk acoustic resonator filters with sub-resonators having different mark and pitch
US-2022060178-A1 · Feb 24, 2022 · US
Bandpass filter with improved upper band edge sharpness
US-2020177160-A1 · Jun 4, 2020 · US
Resonator circuit using an inverter to adjust anti-resonance frequency
US-2020177156-A1 · Jun 4, 2020 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Murata Manufacturing Co | 13 |
| Resonant Inc | 10 |
| Murata Manufacturing Co | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| H03H9/568 | 22 |
| H03H9/174 | 16 |
| H03H9/02228 | 16 |
| H03H9/02015 | 13 |
| H03H9/605 | 12 |