G10H 2220/535
Piezoelectric polymer transducers
Official title: Piezoelectric polymer transducers, e.g. made of stretched and poled polyvinylidene difluoride [PVDF] sheets in which the molecular chains of vinylidene fluoride CH2-CF2 have been oriented in a preferential direction
G10H2220/535 (Piezoelectric polymer transducers) appears on 44 US grants and 20 published applications in this corpus.
Search patents in G10H- Granted patents
- 44
- Published applications
- 20
- Assignees
- 13
- Inventors
- 50
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 1 |
| 2002 | 2 | 2 |
| 2003 | 1 | 0 |
| 2004 | 2 | 2 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 3 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 6 |
| 2019 | 4 | 1 |
| 2020 | 2 | 1 |
| 2021 | 1 | 2 |
| 2022 | 2 | 0 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Pickup devices optimised for amplifying an acoustic guitar10 Mar 2026US 12,573,361 B2Fishman Transducers, Inc.
- Impact detection device and percussion instrument17 Oct 2023US 11,790,879 B2Yamaha Corporation
- Electroacoustic transduction film and manufacturing method thereof, electroacoustic transducer, flexible display, vocal cord microphone, sensor for musical instrument27 Dec 2022US 11,540,074 B2FUJIFILM Corporation
- Sensor unit and musical instrument31 May 2022US 11,346,709 B2Yamaha Corporation
- Electroacoustic transduction film and manufacturing method thereof, electroacoustic transducer, flexible display, vocal cord microphone, sensor for musical instrument5 Oct 2021US 11,140,500 B2FUJIFILM Corporation
- Mouthpiece12 Feb 2026US 2026/0045243 A1Yamaha Corporation
- Pickup devices optimised for amplifying an acoustic guitar10 Apr 2025US 2025/0118281 A1Fishman Transducers, Inc.
- Electroacoustic transduction film and manufacturing method thereof, electroacoustic transducer, flexible display, vocal cord microphone, sensor for musical instrument16 Dec 2021US 2021/0392453 A1FUJIFILM Corporation
- Impact detection device and percussion instrument19 Aug 2021US 2021/0256946 A1Yamaha Corporation
- Sensor unit and musical instrument1 Oct 2020US 2020/0309592 A1Yamaha Corporation
Most cited
By later US patents
- Undersaddle pickup for stringed musical instrument32US 7,157,640 B22007
- Piezoelectric transducer for electrical string instruments and pickup means comprising the same31US 4,278,000 ANgk Spark Plug Co., Ltd. · 1981
- System for enhancing the sound of an acoustic instrument28US 6,320,113 B1Georgia Tech Research Corporation · 2001
- Film piezoelectric pickup for stringed musical instruments27US 5,123,325 A1992
- High output film piezolelectric pickup for stringed musical instruments25US 5,204,487 A1993