H01P 1/20309
With dielectric resonator
Official title: {with dielectric resonator}
H01P1/20309 (With dielectric resonator) appears on 93 US grants and 69 published applications in this corpus.
Search patents in H01P- Granted patents
- 93
- Published applications
- 69
- Assignees
- 64
- Inventors
- 225
- Latest grant
- 20 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 6 | 0 |
| 2001 | 12 | 3 |
| 2002 | 5 | 4 |
| 2003 | 4 | 3 |
| 2004 | 1 | 4 |
| 2005 | 4 | 3 |
| 2006 | 2 | 0 |
| 2007 | 2 | 1 |
| 2008 | 0 | 1 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 1 | 2 |
| 2014 | 0 | 2 |
| 2015 | 3 | 3 |
| 2016 | 1 | 1 |
| 2017 | 3 | 6 |
| 2018 | 3 | 2 |
| 2019 | 2 | 2 |
| 2020 | 6 | 11 |
| 2021 | 8 | 6 |
| 2022 | 5 | 4 |
| 2023 | 3 | 4 |
| 2024 | 3 | 1 |
| 2025 | 6 | 4 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Cavity filter comprising a terminal portion having first and second conductive terminals slidably inserted with respect to each other20 Jan 2026US 12,531,319 B2Kmw Inc.
- Ceramic dielectric band-pass filter comprising plural resonant cavities configured to form a sixth-order band-pass filter coupled to notch filters9 Dec 2025US 12,494,559 B2Xiamen Sunyear Electronics Co., Ltd
- Printed microstrip filter30 Sep 2025US 12,431,601 B2Knowles Cazenovia, Inc.
- Multiband resonator element for making filters, polarizers and frequency-selective surfaces23 Sep 2025US 12,424,747 B2Universidad Politecnica De Madrid
- Multi-layered resonator circuit structure and multi-layered filter circuit structure1 Jul 2025US 12,347,912 B2Tunghai University
- Optically transparent reflective metasurface with increased opacity utilizing meshed unit cells23 Jul 2026US 2026/0213424 A1Dell Products L. P.
- Wideband filter with resonators and inductors3 Jul 2025US 2025/0219618 A1QUALCOMM Incorporated
- Filter26 Jun 2025US 2025/0210839 A1Soshin Electric Co., Ltd.
- Filter19 Jun 2025US 2025/0202088 A1Soshin Electric Co., Ltd.
- Enhanced broadband ring resonator for improved spectral suppression22 May 2025US 2025/0167415 A1Raytheon Company
Most cited
By later US patents
- Dielectric resonator apparatus167US 4,821,006 AMurata Manufacturing Co., Ltd. · 1989
- Dielectric resonator notch filter with a quadrature directional coupler34US 5,525,945 AMartin Marietta Corporation · 1996
- Dielectric resonator filter29US 4,963,841 ARaytheon Company · 1990
- Planar multi-resonator bandpass filter24US 5,786,303 ACom Dev Ltd. · 1998
- Dielectric resonator apparatus and high-frequency module21US 6,016,090 AMurata Manufacturing Co., Ltd. · 2000