H04R 17/005
Piezoelectric transducers: using a piezoelectric polymer
Official title: {using a piezoelectric polymer}
H04R17/005 (Piezoelectric transducers: using a piezoelectric polymer) appears on 437 US grants and 495 published applications in this corpus.
Search patents in H04R- Granted patents
- 437
- Published applications
- 495
- Assignees
- 224
- Inventors
- 907
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 6 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 6 | 0 |
| 1984 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 5 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 6 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 1 |
| 2002 | 7 | 5 |
| 2003 | 6 | 5 |
| 2004 | 2 | 5 |
| 2005 | 2 | 5 |
| 2006 | 3 | 3 |
| 2007 | 2 | 4 |
| 2008 | 1 | 3 |
| 2009 | 3 | 6 |
| 2010 | 1 | 6 |
| 2011 | 5 | 8 |
| 2012 | 7 | 8 |
| 2013 | 8 | 9 |
| 2014 | 4 | 19 |
| 2015 | 11 | 25 |
| 2016 | 21 | 38 |
| 2017 | 30 | 39 |
| 2018 | 36 | 32 |
| 2019 | 28 | 17 |
| 2020 | 19 | 45 |
| 2021 | 29 | 34 |
| 2022 | 26 | 59 |
| 2023 | 32 | 40 |
| 2024 | 34 | 42 |
| 2025 | 35 | 25 |
| 2026 | 17 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Apparatus and display apparatus with enhanced vibration29 Sep 2026US 12,746,575 B2LG Display Co., Ltd.
- Electronic apparatus11 Aug 2026US 12,707,896 B2Samsung Display Co., Ltd.
- Acoustic apparatus and vehicular apparatus comprising the same14 Jul 2026US 12,684,298 B2LG Display Co., Ltd.
- Vibration apparatus and apparatus including the same7 Jul 2026US 12,677,101 B2LG Display Co., Ltd.
- Display apparatus comprising both coil type and piezoelectric speakers30 Jun 2026US 12,671,935 B2LG Display Co., Ltd.
- Method for producing a mems converter using a stretching of an actuator material27 Aug 2026US 2026/0255880 A1Hahn-Schickard-Gesellschaft FüR Angewandte Forschung E. V.
- Mems with synchronous movable elements13 Aug 2026US 2026/0238931 A1
- Electroacoustic transductor structure6 Aug 2026US 2026/0230755 A1Aac Kaitai Technologies (Wuhan) Co., Ltd
- Display panel and display apparatus30 Jul 2026US 2026/0222719 A1Beijing BOE Technology Development Co., Ltd.
- Vibration apparatus and vehicular apparatus comprising the same2 Jul 2026US 2026/0189856 A1LG Display Co., Ltd.
Most cited
By later US patents
- Electroactive polymer devices1,577US 6,545,384 B1SRI International · 2003
- Electroactive polymer electrodes1,515US 6,583,533 B2SRI International · 2003
- Electromechanical transducer297US 6,946,779 B2Endress + Hauser GmbH + Co. KG · 2005
- Electroactive polymer electrodes248US 6,376,971 B1SRI International · 2002
- Intraoral appliance for sound transmission via bone conduction155US 8,433,082 B2Sonitus Medical, Inc. · 2013