H03H 9/177
Of the energy-trap type
Official title: {of the energy-trap type}
H03H9/177 (Of the energy-trap type) appears on 240 US grants and 178 published applications in this corpus.
Search patents in H03H- Granted patents
- 240
- Published applications
- 178
- Assignees
- 51
- Inventors
- 309
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 5 | 0 |
| 1985 | 1 | 0 |
| 1986 | 4 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 7 | 0 |
| 1998 | 3 | 0 |
| 1999 | 5 | 0 |
| 2000 | 7 | 0 |
| 2001 | 8 | 6 |
| 2002 | 16 | 7 |
| 2003 | 7 | 5 |
| 2004 | 7 | 6 |
| 2005 | 5 | 2 |
| 2006 | 8 | 6 |
| 2007 | 2 | 3 |
| 2008 | 4 | 7 |
| 2009 | 6 | 9 |
| 2010 | 4 | 4 |
| 2011 | 7 | 5 |
| 2012 | 4 | 10 |
| 2013 | 6 | 13 |
| 2014 | 7 | 9 |
| 2015 | 14 | 11 |
| 2016 | 8 | 9 |
| 2017 | 12 | 4 |
| 2018 | 7 | 14 |
| 2019 | 10 | 13 |
| 2020 | 10 | 11 |
| 2021 | 4 | 4 |
| 2022 | 10 | 3 |
| 2023 | 7 | 7 |
| 2024 | 3 | 2 |
| 2025 | 2 | 6 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Piezoelectric acoustic resonator with dielectric protective layer manufactured with piezoelectric thin film transfer process15 Sep 2026US 12,738,916 B2Akoustis Technologies Corp.
- Piezoelectric acoustic resonator with improved TCF manufactured with piezoelectric thin film transfer process10 Mar 2026US 12,573,995 B2Akoustis Technologies Corp.
- RF acoustic wave resonators integrated with high electron mobility transistors including a shared piezoelectric/buffer layer29 Apr 2025US 12,289,087 B2Akoustis, Inc.
- Semiconductor device and method of forming high KT2 high Q acoustic wave resonator28 Jan 2025US 12,212,305 B2MACOM Technology Solutions Holdings, Inc.
- Two-stage lateral bulk acoustic wave filter with capacitive coupling of counter electrode31 Dec 2024US 12,184,264 B2VTT Technical Research Centre of Finland Ltd
- Piezoelectric acoustic resonator with improved tcf manufactured with piezoelectric thin film transfer process25 Jun 2026US 2026/0180537 A1Akoustis Technologies Corp.
- Resonator element, resonator, and oscillator11 Jun 2026US 2026/0163552 A1Seiko Epson Corporation
- Piezoelectric resonator11 Dec 2025US 2025/0379556 A1Murata Manufacturing Co., Ltd.
- Resonator element, resonator, and oscillator27 Nov 2025US 2025/0364970 A1Seiko Epson Corporation
- Resonator element, resonator, and oscillator20 Nov 2025US 2025/0357912 A1Seiko Epson Corporation
Most cited
By later US patents
- Thin film bulk acoustic resonator with a mass loaded perimeter167US 7,280,007 B2Avago Technologies General IP (Singapore) Pte. Ltd. · 2007
- Method of adjusting frequency of piezoelectric resonance element by removing material from a thicker electrode or adding, material to a thinner electrode75US 6,414,569 B1Murata Manufacturing Co., Ltd. · 2002
- Energy trapping piezoelectric device and producing method thereof68US 5,969,463 AMatsushita Electric Industrial Co., Ltd. · 1999
- Piezoelectric resonators for overtone oscillations65US 4,870,313 AToyo Communication Equipment Co., Ltd. · 1989
- Thin film piezoelectric element64US 6,396,200 B2Mitsubishi Denki Kabushiki Kaisha · 2002