H03H 9/14555
Chirped transducers
Official title: {Chirped transducers (H03H9/6406 takes precedence)}
H03H9/14555 (Chirped transducers) appears on 33 US grants and 12 published applications in this corpus.
Search patents in H03H- Granted patents
- 33
- Published applications
- 12
- Assignees
- 25
- Inventors
- 67
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
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| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 2 | 1 |
| 2005 | 1 | 0 |
| 2006 | 1 | 0 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 0 |
| 2019 | 1 | 2 |
| 2020 | 1 | 1 |
| 2021 | 0 | 0 |
| 2022 | 2 | 2 |
| 2023 | 0 | 1 |
| 2024 | 2 | 1 |
| 2025 | 0 | 1 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Double-mode surface-acoustic-wave (DMS) filter having a modulated interdigital transducer25 Aug 2026US 12,719,449 B2RF360 Singapore Pte. Ltd.
- Transversely-excited film bulk acoustic resonators with counter chirped interdigital transducers (IDTs) for mechanical and process compensation7 Jul 2026US 12,676,594 B2Murata Manufacturing Co., Ltd.
- Modified saw transducer, saw resonator, and saw filter comprising same16 Jul 2024US 12,040,777 B2RF360 Singapore Pte. Ltd.
- Electroacoustic filter including split resonator with detuning25 Jun 2024US 12,021,509 B2RF360 Singapore Pte. Ltd.
- Saw resonator and filter comprising same29 Nov 2022US 11,515,855 B2QUALCOMM Incorporated
- Double-Mode Surface-Acoustic-Wave (DMS) Filter Having a Modulated Interdigital Transducer25 Sep 2025US 2025/0300632 A1RF360 Singapore Pte. Ltd.
- Twin Double-Mode Surface-Acoustic-Wave (DMS) Filters with Opposite Polarities and a Geometric Offset1 Feb 2024US 2024/0039512 A1RF360 Singapore Pte. Ltd.
- Transversely-excited film bulk acoustic resonators with counter chirped interdigital transducers (idts) for mechanical and process compensation20 Jul 2023US 2023/0231534 A1Murata Manufacturing Co., Ltd.
- Electroacoustic filter including split resonator with detuning28 Jul 2022US 2022/0239281 A1Rf360 Europe GmbH
- Modified saw transducer, saw resonator, and saw filter comprising same12 May 2022US 2022/0149812 A1Rf360 Europe GmbH
Most cited
By later US patents
- Surface acoustic wave resonator, surface acoustic wave oscillator, and surface acoustic wave module unit243US 8,344,815 B2Seiko Epson Corporation · 2013
- Transducer structure that operates with acoustic waves97US 7,042,132 B2Epcos AG · 2006
- Surface-wave transducer device and identification system with such device28US 6,788,204 B1Nanotron Gesellschaft fur Mikrotechnik mbH · 2004
- Surface wave dispersive acoustic delay line22US 4,477,784 AThomson-CSF · 1984
- Dispersive SAW filter with tapered transducers22US 4,635,008 ASperry Corporation · 1987