H04R 17/025
Using a piezoelectric polymer
Official title: {using a piezoelectric polymer}
H04R17/025 (Using a piezoelectric polymer) appears on 115 US grants and 130 published applications in this corpus.
Search patents in H04R- Granted patents
- 115
- Published applications
- 130
- Assignees
- 87
- Inventors
- 294
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 2 |
| 2006 | 1 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 0 |
| 2009 | 1 | 3 |
| 2010 | 1 | 2 |
| 2011 | 2 | 1 |
| 2012 | 3 | 2 |
| 2013 | 0 | 1 |
| 2014 | 2 | 6 |
| 2015 | 5 | 10 |
| 2016 | 8 | 12 |
| 2017 | 6 | 5 |
| 2018 | 5 | 9 |
| 2019 | 10 | 8 |
| 2020 | 9 | 9 |
| 2021 | 3 | 9 |
| 2022 | 6 | 15 |
| 2023 | 13 | 13 |
| 2024 | 8 | 9 |
| 2025 | 12 | 6 |
| 2026 | 3 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Noise canceling solid state electronic stethoscope with adapted acoustic impedance15 Sep 2026US 12,739,561 B2
- Bone conduction sound transmission devices19 May 2026US 12,634,645 B2Shenzhen Shokz Co., Ltd.
- Bone conduction sound transmission devices17 Feb 2026US 12,556,871 B2Shenzhen Shokz Co., Ltd.
- Bone conduction microphones2 Dec 2025US 12,490,033 B2Shenzhen Shokz Co., Ltd.
- Piezoelectric mems device for producing a signal indicative of detection of an acoustic stimulus14 Oct 2025US 12,445,782 B2QUALCOMM Incorporated
- Bone conduction sound transmission devices17 Sep 2026US 2026/0281635 A1Shenzhen Shokz Co., Ltd.
- Noise canceling solid state electronic stethoscope with adapted acoustic impedance18 Jun 2026US 2026/0172747 A1
- Driver unit and headphone7 May 2026US 2026/0129372 A1FUJIFILM Corporation
- Flexible acoustic sensor systems and fabrication thereof29 Jan 2026US 2026/0032398 A1QUALCOMM Incorporated
- Vehicle Component With a Surface Comprising Piezoelectric Transducer Fibers1 Jan 2026US 2026/0006388 A1Bayerische Motoren Werke Aktiengesellschaft
Most cited
By later US patents
- Acoustic sensor assembly794US 8,771,204 B2Masimo Corporation · 2014
- Acoustic sensor assembly550US 9,028,429 B2Masimo Corporation · 2015
- Acoustic sensor assembly544US 9,131,917 B2Masimo Corporation · 2015
- Acoustic sensor assembly412US 9,795,358 B2Masimo Corporation · 2017
- Implantable hearing aid201US 5,772,575 A1998