H01Q 9/04
Resonant antennas
H01Q9/04 (Resonant antennas) appears on 17,715 US grants and 19,083 published applications in this corpus.
Search patents in H01Q- Granted patents
- 17,715
- Published applications
- 19,083
- Assignees
- 3,815
- Inventors
- 23,002
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 33 | 0 |
| 1977 | 24 | 0 |
| 1978 | 62 | 0 |
| 1979 | 35 | 0 |
| 1980 | 36 | 0 |
| 1981 | 21 | 0 |
| 1982 | 36 | 0 |
| 1983 | 32 | 0 |
| 1984 | 29 | 0 |
| 1985 | 43 | 0 |
| 1986 | 36 | 0 |
| 1987 | 43 | 0 |
| 1988 | 40 | 0 |
| 1989 | 51 | 0 |
| 1990 | 38 | 0 |
| 1991 | 48 | 0 |
| 1992 | 32 | 0 |
| 1993 | 52 | 0 |
| 1994 | 50 | 0 |
| 1995 | 51 | 0 |
| 1996 | 64 | 0 |
| 1997 | 68 | 0 |
| 1998 | 107 | 0 |
| 1999 | 188 | 0 |
| 2000 | 227 | 0 |
| 2001 | 276 | 69 |
| 2002 | 306 | 287 |
| 2003 | 266 | 308 |
| 2004 | 298 | 514 |
| 2005 | 395 | 548 |
| 2006 | 456 | 569 |
| 2007 | 416 | 601 |
| 2008 | 444 | 683 |
| 2009 | 432 | 731 |
| 2010 | 471 | 757 |
| 2011 | 466 | 695 |
| 2012 | 486 | 701 |
| 2013 | 547 | 677 |
| 2014 | 635 | 739 |
| 2015 | 607 | 700 |
| 2016 | 624 | 645 |
| 2017 | 740 | 804 |
| 2018 | 690 | 862 |
| 2019 | 945 | 1050 |
| 2020 | 963 | 1241 |
| 2021 | 1091 | 1093 |
| 2022 | 1030 | 1141 |
| 2023 | 869 | 1163 |
| 2024 | 1079 | 1087 |
| 2025 | 1061 | 864 |
| 2026 | 676 | 554 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H01Q 9/0407Substantially flat resonant element parallel to ground plane8,677
- H01Q 9/30With feed to end of elongated active element5,878
- H01Q 9/16With feed intermediate between the extremities of the antenna4,810
- H01Q 9/06Details1,280
- H01Q 9/0485Dielectric resonator antennas484
- H01Q 9/44With a plurality of divergent straight elements181
Recent patents
- Apparatus, system and method for fluid delivery6 Oct 2026US 12,751,899 B2DEKA Products Limited Partnership
- Isolation of watch housing and antenna using a molded cover6 Oct 2026US 12,754,518 B2Garmin International, Inc.
- Compact wideband LTE IoT metal stamped antenna for water meter6 Oct 2026US 12,756,090 B2Honeywell International Inc.
- Antenna and electronic device including the same6 Oct 2026US 12,756,091 B2Samsung Electronics Co., Ltd.
- Antenna device and display device including the same6 Oct 2026US 12,756,098 B2Dongwoo Fine-Chem Co., Ltd.
- A wearable electronic device comprising an rf antenna8 Oct 2026US 2026/0306856 A1Uneeg Medical A/S
- Radio wave control plate8 Oct 2026US 2026/0312272 A1KYOCERA Corporation
- Antenna unit, antenna array, and communication device8 Oct 2026US 2026/0312290 A1Beijing BOE Sensor Technology Co., Ltd.
- Antenna device8 Oct 2026US 2026/0312291 A1Wistron Neweb Corp.
- Antenna assembly and base station antenna8 Oct 2026US 2026/0312292 A1Outdoor Wireless Networks LLC
Most cited
By later US patents
- Interferometric modulation of radiation1,041US 6,674,562 B1Iridigm Display Corporation · 2004
- Wireless non-radiative energy transfer952US 7,741,734 B2Massachusetts Institute of Technology · 2010
- Microstrip patch antenna for high temperature environments808US 7,283,096 B2Radatec, Inc. · 2007
- Implantable medical device microstrip telemetry antenna695US 5,861,019 AMedtronic, Inc. · 1999
- Radio frequency identification system675US 6,100,804 AIntecmec IP Corp. · 2000