H03H 9/178
Of a laminated structure of multiple piezoelectric layers with inner electrodes
Official title: {of a laminated structure of multiple piezoelectric layers with inner electrodes}
H03H9/178 (Of a laminated structure of multiple piezoelectric layers with inner electrodes) appears on 135 US grants and 100 published applications in this corpus.
Search patents in H03H- Granted patents
- 135
- Published applications
- 100
- Assignees
- 51
- Inventors
- 256
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 10 | 0 |
| 2000 | 19 | 0 |
| 2001 | 6 | 3 |
| 2002 | 15 | 10 |
| 2003 | 6 | 5 |
| 2004 | 8 | 3 |
| 2005 | 3 | 2 |
| 2006 | 2 | 2 |
| 2007 | 0 | 3 |
| 2008 | 2 | 6 |
| 2009 | 1 | 1 |
| 2010 | 4 | 4 |
| 2011 | 2 | 2 |
| 2012 | 2 | 6 |
| 2013 | 2 | 2 |
| 2014 | 3 | 2 |
| 2015 | 3 | 0 |
| 2016 | 3 | 2 |
| 2017 | 0 | 3 |
| 2018 | 1 | 4 |
| 2019 | 4 | 3 |
| 2020 | 4 | 4 |
| 2021 | 1 | 2 |
| 2022 | 3 | 3 |
| 2023 | 6 | 5 |
| 2024 | 2 | 9 |
| 2025 | 5 | 9 |
| 2026 | 3 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Acoustic wave filter device and method of manufacturing acoustic wave filter device23 Jul 2026US 2026/0213730 A1Murata Manufacturing Co., Ltd.
- Bulk acoustic wave (baw) device with oppositely polarized piezoelectric layers for higher order resonance and method of manufacture16 Jul 2026US 2026/0205090 A1RF360 Singapore Pte. Ltd.
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- Bulk acoustic wave resonator utilizing overtone modes8 Jan 2026US 2026/0012155 A1
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
- Energy-trapping-type piezoelectric resonance device72US 4,900,970 AMurata Manufacturing Co., Ltd. · 1990
- Piezoelectric resonator68US 6,437,482 B1Murata Manufacturing Co., Ltd. · 2002
- Piezoelectric resonator and method of adjusting resonant frequency thereof61US 6,111,480 AMurata Manfacturing Co., Ltd. · 2000