H03H 9/581
Comprising ceramic piezoelectric layers
Official title: {comprising ceramic piezoelectric layers}
H03H9/581 (Comprising ceramic piezoelectric layers) appears on 67 US grants and 34 published applications in this corpus.
Search patents in H03H- Granted patents
- 67
- Published applications
- 34
- Assignees
- 30
- Inventors
- 130
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 6 | 0 |
| 1998 | 0 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 1 |
| 2002 | 4 | 1 |
| 2003 | 2 | 6 |
| 2004 | 5 | 4 |
| 2005 | 5 | 2 |
| 2006 | 3 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 2 |
| 2019 | 2 | 3 |
| 2020 | 1 | 1 |
| 2021 | 0 | 0 |
| 2022 | 2 | 2 |
| 2023 | 3 | 0 |
| 2024 | 1 | 6 |
| 2025 | 2 | 1 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Acoustic wave device28 Jul 2026US 12,695,440 B2Murata Manufacturing Co., Ltd.
- Filter device26 May 2026US 12,640,709 B2Murata Manufacturing Co., Ltd.
- Bulk filter10 Mar 2026US 12,574,001 B2Guangdong Zhineng Technologies, Co. Ltd.
- Acoustic wave device with ceramic substrate4 Nov 2025US 12,463,616 B2Skyworks Solutions, Inc.
- Band-pass filter circuit and multiplexer9 Sep 2025US 12,413,197 B2Anhui Anuki Technologies Co., Ltd.
- Acoustic wave device with ceramic substrate20 Aug 2026US 2026/0246444 A1Skyworks Solutions, Inc.
- Filter device23 Jul 2026US 2026/0213731 A1Murata Manufacturing Co., Ltd.
- Acoustic wave device for asymmetric frequency bands and manufacturing method, charge when compressed, twisted, or distorted, and similarly compress, twist, or distort when a charge is applied26 Feb 2026US 2026/0058633 A1Qorvo US, Inc.
- Acoustic wave device9 Jan 2025US 2025/0015784 A1Murata Manufacturing Co., Ltd.
- Acoustic wave device with ceramic substrate24 Oct 2024US 2024/0356519 A1Skyworks Solutions, Inc.
Most cited
By later US patents
- Thickness mode vibration piezoelectric transformer139US 5,118,982 ANEC Corporation · 1992
- BAW resonator having piezoelectric layers oriented in opposed directions112US 6,975,183 B2Infineon Technologies AG · 2005
- Bulk acoustic wave filter83US 6,466,105 B1Koninklijke Philips Electronics N. V. · 2002
- Intermediate frequency filter having a ceramic filter44US 5,245,300 AKokusai Electric Corporation · 1993
- Ceramic transparent piezoelectric transducer34US 4,367,426 AHitachi, Ltd. · 1983