H03H 9/00
Networks comprising electromechanical or electro-acoustic elements
Official title: Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators (electro-acoustic transducers such as loudspeakers, microphones or gramophone pick-ups H04R; piezoelectric, electrostrictive or magnetostrictive devices with mechanical input or output, e.g. actuators or sensors, H10N30/00, H10N35/00)
H03H9/00 (Networks comprising electromechanical or electro-acoustic elements) appears on 11,584 US grants and 11,434 published applications in this corpus.
Search patents in H03H- Granted patents
- 11,584
- Published applications
- 11,434
- Assignees
- 1,400
- Inventors
- 10,040
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 90 | 0 |
| 1977 | 89 | 0 |
| 1978 | 69 | 0 |
| 1979 | 56 | 0 |
| 1980 | 66 | 0 |
| 1981 | 70 | 0 |
| 1982 | 86 | 0 |
| 1983 | 70 | 0 |
| 1984 | 83 | 0 |
| 1985 | 77 | 0 |
| 1986 | 76 | 0 |
| 1987 | 76 | 0 |
| 1988 | 53 | 0 |
| 1989 | 39 | 0 |
| 1990 | 53 | 0 |
| 1991 | 59 | 0 |
| 1992 | 72 | 0 |
| 1993 | 73 | 0 |
| 1994 | 98 | 0 |
| 1995 | 79 | 0 |
| 1996 | 88 | 0 |
| 1997 | 84 | 0 |
| 1998 | 127 | 0 |
| 1999 | 151 | 0 |
| 2000 | 149 | 0 |
| 2001 | 149 | 79 |
| 2002 | 217 | 243 |
| 2003 | 183 | 240 |
| 2004 | 220 | 331 |
| 2005 | 241 | 346 |
| 2006 | 250 | 295 |
| 2007 | 249 | 373 |
| 2008 | 266 | 299 |
| 2009 | 315 | 325 |
| 2010 | 276 | 396 |
| 2011 | 346 | 411 |
| 2012 | 305 | 410 |
| 2013 | 339 | 374 |
| 2014 | 337 | 376 |
| 2015 | 389 | 323 |
| 2016 | 351 | 358 |
| 2017 | 333 | 534 |
| 2018 | 330 | 525 |
| 2019 | 550 | 624 |
| 2020 | 598 | 682 |
| 2021 | 506 | 675 |
| 2022 | 498 | 734 |
| 2023 | 544 | 809 |
| 2024 | 613 | 671 |
| 2025 | 645 | 603 |
| 2026 | 501 | 398 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H03H 9/02Details9,411
- H03H 9/46Filters4,670
- H03H 9/15Constructional features of resonators consisting of piezoelectric or electrostrictive material3,834
- H03H 9/70Multiple-port networks for connecting several sources or loads, working on different frequencies1,503
- H03H 9/25Constructional features of resonators using surface acoustic waves1,166
- H03H 9/24Constructional features of resonators of material which is not piezoelectric, electrostrictive, or957
- H03H 9/0023Networks for transforming balanced signals into unbalanced signals and vice versa523
- H03H 9/0004Impedance-matching networks203
All 13 subgroupsShow fewer
Recent patents
- MEMS resonator6 Oct 2026US 12,753,070 B2SiTime Corporation
- Resonance device and manufacturing method for the same6 Oct 2026US 12,756,371 B2Murata Manufacturing Co., Ltd.
- Packaged acoustic wave devices with multilayer piezoelectric substrate6 Oct 2026US 12,756,372 B2Skyworks Solutions, Inc.
- Filter and filter module6 Oct 2026US 12,756,374 B2Murata Manufacturing Co., Ltd.
- Surface acoustic wave device6 Oct 2026US 12,756,375 B2United Microelectronics Corp.
- Method for producing a donor substrate for transferring a piezoelectric layer onto a carrier substrate8 Oct 2026US 2026/0312560 A1
- Reconfigurable hybrid lattice filter system8 Oct 2026US 2026/0312562 A1Qorvo US, Inc.
- Packaged acoustic wave devices with multi-layer piezoelectric substrate with seal ring spaced from piezoelectric layers8 Oct 2026US 2026/0312563 A1Skyworks Solutions, Inc.
- Mems resonator comprising in-phase and out-of-phase elements8 Oct 2026US 2026/0312564 A1KYOCERA Technologies Oy
- Multiplexer8 Oct 2026US 2026/0312565 A1Murata Manufacturing Co., Ltd.
Most cited
By later US patents
- Surface acoustic wave device mounted module473US 5,459,368 AMatsushita Electric Industrial Co., Ltd. · 1995
- Laterally driven resonant microstructures419US 5,025,346 AThe Regents of the University of California · 1991
- Electronic part and a method of production thereof357US 5,920,142 AMatsushita Electric Industrial Co., Ltd. · 1999
- Surface acoustic wave devices having a guard layer350US 5,699,027 AMatsushita Electric Industrial Co., Ltd. · 1997
- Duplexer incorporating thin-film bulk acoustic resonators (FBARs)338US 6,262,637 B1Agilent Technologies, Inc. · 2001