H01P 1/2056
Comb filters or interdigital filters with metallised resonator holes in a dielectric
Official title: {Comb filters or interdigital filters with metallised resonator holes in a dielectric block}
H01P1/2056 (Comb filters or interdigital filters with metallised resonator holes in a dielectric) appears on 463 US grants and 225 published applications in this corpus.
Search patents in H01P- Granted patents
- 463
- Published applications
- 225
- Assignees
- 84
- Inventors
- 485
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 5 | 0 |
| 1988 | 10 | 0 |
| 1989 | 11 | 0 |
| 1990 | 7 | 0 |
| 1991 | 9 | 0 |
| 1992 | 13 | 0 |
| 1993 | 14 | 0 |
| 1994 | 10 | 0 |
| 1995 | 8 | 0 |
| 1996 | 19 | 0 |
| 1997 | 12 | 0 |
| 1998 | 24 | 0 |
| 1999 | 29 | 0 |
| 2000 | 22 | 0 |
| 2001 | 22 | 10 |
| 2002 | 27 | 56 |
| 2003 | 34 | 21 |
| 2004 | 39 | 19 |
| 2005 | 27 | 10 |
| 2006 | 5 | 2 |
| 2007 | 4 | 6 |
| 2008 | 1 | 5 |
| 2009 | 8 | 5 |
| 2010 | 5 | 7 |
| 2011 | 4 | 2 |
| 2012 | 7 | 6 |
| 2013 | 3 | 3 |
| 2014 | 1 | 2 |
| 2015 | 7 | 3 |
| 2016 | 1 | 6 |
| 2017 | 5 | 3 |
| 2018 | 6 | 13 |
| 2019 | 7 | 6 |
| 2020 | 10 | 8 |
| 2021 | 8 | 5 |
| 2022 | 7 | 6 |
| 2023 | 1 | 7 |
| 2024 | 4 | 6 |
| 2025 | 11 | 3 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Ceramic waveguide filter including a plurality of resonators and ultra-short delay adjusters each formed by respective groove-shaped portions21 Apr 2026US 12,609,429 B2Kmw Inc.
- RF filter assembly comprising multiple RF filters mounted on a main board through a metal material filter support member24 Feb 2026US 12,562,444 B2Kmw Inc.
- Filters including dual cross-couplings and related combiners30 Dec 2025US 12,512,572 B2CommScope Italy S.r.l.
- 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
- Antenna filter and electronic device including same in wireless communication system11 Nov 2025US 12,470,259 B2Samsung Electronics Co., Ltd.
- Cavity Filter and Communication Device1 Oct 2026US 2026/0302582 A1
- Filter, antenna apparatus, and communication device20 Aug 2026US 2026/0246129 A1Huawei Technologies Co., Ltd.
- Dielectric filter and communication device28 May 2026US 2026/0149162 A1Huawei Technologies Co., Ltd.
- Antenna filter and electronic device including same in wireless communication system12 Feb 2026US 2026/0045974 A1Samsung Electronics Co., Ltd.
- Filter8 Jan 2026US 2026/0011899 A1Soshin Electric Co., Ltd.
Most cited
By later US patents
- System and method for dual-band antenna matching340US 7,180,467 B2Kyocera Wireless Corp. · 2007
- Tunable horn antenna238US 6,867,744 B2Kyocera Wireless Corp. · 2005
- Ceramic bandpass filter178US 4,431,977 AMotorola, Inc. · 1984
- Tunable matching circuit154US 6,825,818 B2Kyocera Wireless Corp. · 2004
- Tunable antenna matching circuit139US 6,765,540 B2Kyocera Wireless Corp. · 2004