H01P 1/20381
Special shape resonators
Official title: {Special shape resonators}
H01P1/20381 (Special shape resonators) appears on 442 US grants and 375 published applications in this corpus.
Search patents in H01P- Granted patents
- 442
- Published applications
- 375
- Assignees
- 216
- Inventors
- 788
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 4 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 6 | 0 |
| 1992 | 5 | 0 |
| 1993 | 2 | 0 |
| 1994 | 6 | 0 |
| 1995 | 9 | 0 |
| 1996 | 11 | 0 |
| 1997 | 9 | 0 |
| 1998 | 7 | 0 |
| 1999 | 5 | 0 |
| 2000 | 11 | 0 |
| 2001 | 10 | 6 |
| 2002 | 15 | 40 |
| 2003 | 21 | 25 |
| 2004 | 34 | 21 |
| 2005 | 21 | 26 |
| 2006 | 14 | 15 |
| 2007 | 22 | 21 |
| 2008 | 8 | 12 |
| 2009 | 20 | 8 |
| 2010 | 7 | 20 |
| 2011 | 11 | 12 |
| 2012 | 15 | 13 |
| 2013 | 8 | 12 |
| 2014 | 15 | 15 |
| 2015 | 13 | 8 |
| 2016 | 10 | 16 |
| 2017 | 17 | 14 |
| 2018 | 15 | 9 |
| 2019 | 11 | 18 |
| 2020 | 15 | 16 |
| 2021 | 12 | 7 |
| 2022 | 9 | 11 |
| 2023 | 10 | 12 |
| 2024 | 6 | 6 |
| 2025 | 11 | 7 |
| 2026 | 4 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Thin film type resonator and design method thereof16 Jun 2026US 12,658,553 B2Korea Electronics Technology Institute
- Spoiler antenna26 May 2026US 12,640,482 B2Pittsburgh Glass Works, LLC
- Package antenna apparatus and wireless communication apparatus7 Apr 2026US 12,597,696 B2Huawei Technologies Co., Ltd.
- Coupling structure, resonant structure, low-frequency radiation unit, antenna and electromagnetic boundary13 Jan 2026US 12,525,719 B2Comba RF Technology (Guangzhou) LTD
- DC block and plasma generator using the same2 Dec 2025US 12,489,184 B2Pale Blue Inc.
- Printed filter17 Sep 2026US 2026/0280508 A1Wnc Corporation
- Systems and methods for coupling a superconducting transmission line to an array of resonators13 Aug 2026US 2026/0238177 A1D-Wave Systems Inc.
- Filter Device25 Jun 2026US 2026/0180553 A1Kmw Inc.
- Filter group and wireless communication module18 Jun 2026US 2026/0171641 A1Fujikura Ltd.
- Distributed element radio frequency filter26 Mar 2026US 2026/0088481 A1Knowles Cazenovia, Inc.
Most cited
By later US patents
- Electromagnetic transmission line elements having a boundary between materials of high and low dielectric constants634US 5,889,449 ASpace Systems/Loral, Inc. · 1999
- System and method for dual-band antenna matching340US 7,180,467 B2Kyocera Wireless Corp. · 2007
- High quality-factor tunable resonator296US 6,452,465 B1M-Squared Filters, LLC · 2002
- Tunable horn antenna238US 6,867,744 B2Kyocera Wireless Corp. · 2005
- Microelectro-mechanical system actuator device and reconfigurable circuits utilizing same198US 6,127,908 AMassachusetts Institute of Technology · 2000