H01Q 9/0428
Radiating a circular polarised wave
Official title: {radiating a circular polarised wave}
H01Q9/0428 (Radiating a circular polarised wave) appears on 981 US grants and 993 published applications in this corpus.
Search patents in H01Q- Granted patents
- 981
- Published applications
- 993
- Assignees
- 515
- Inventors
- 1,962
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 7 | 0 |
| 1979 | 0 | 0 |
| 1980 | 4 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 5 | 0 |
| 1989 | 4 | 0 |
| 1990 | 7 | 0 |
| 1991 | 8 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 6 | 0 |
| 1999 | 22 | 0 |
| 2000 | 20 | 0 |
| 2001 | 21 | 5 |
| 2002 | 16 | 11 |
| 2003 | 12 | 12 |
| 2004 | 12 | 27 |
| 2005 | 17 | 14 |
| 2006 | 18 | 34 |
| 2007 | 9 | 23 |
| 2008 | 28 | 31 |
| 2009 | 32 | 24 |
| 2010 | 7 | 21 |
| 2011 | 14 | 27 |
| 2012 | 15 | 24 |
| 2013 | 17 | 25 |
| 2014 | 26 | 30 |
| 2015 | 24 | 24 |
| 2016 | 28 | 26 |
| 2017 | 28 | 43 |
| 2018 | 34 | 60 |
| 2019 | 58 | 70 |
| 2020 | 62 | 105 |
| 2021 | 88 | 60 |
| 2022 | 80 | 68 |
| 2023 | 55 | 70 |
| 2024 | 64 | 78 |
| 2025 | 70 | 47 |
| 2026 | 42 | 34 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Antenna, antenna array, and electronic device6 Oct 2026US 12,756,101 B2Huawei Technologies Co., Ltd.
- Antenna having radiation patch8 Sep 2026US 12,731,900 B2Beijing BOE Technology Development Co., Ltd.
- Antenna device1 Sep 2026US 12,725,929 B2Yokowo Co., Ltd.
- GNSS antenna25 Aug 2026US 12,719,148 B2u-blox AG
- High-gain, omni-directional antenna systems for MIMO technologies25 Aug 2026US 12,719,181 B2Mimosa Networks, Inc.
- Antenna device8 Oct 2026US 2026/0312291 A1Wistron Neweb Corp.
- Broadbeam lens-integrated mmwave harvester for smart city environments1 Oct 2026US 2026/0302597 A1Georgia Tech Research Corporation
- Antenna1 Oct 2026US 2026/0302608 A1Uniqconn Inc.
- Integrated antenna structure with linear polarization emission in arbitrary polarization direction capability1 Oct 2026US 2026/0302627 A1TMY Technology Inc.
- Antenna17 Sep 2026US 2026/0280116 A1Yokowo Co., Ltd.
Most cited
By later US patents
- Beam scanning antennas with plurality of antenna elements for scanning beam direction299US 6,184,828 B2Kabushiki Kaisha Toshiba · 2001
- Multi-mode broadband patch antenna286US 6,292,143 B1The United States of America as represented by the Administrator of the National Aeronautics and Space Administration · 2001
- Dual frequency circularly polarized microwave antenna277US 5,241,321 ASpace Systems/Loral, Inc. · 1993
- Micro-patch antenna connected to circuits chips255US 5,903,239 AMatsushita Electric Industrial Co., Ltd. · 1999
- Radio frequency identification transponder having a high gain antenna configuration253US 6,320,509 B1Intermec IP Corp. · 2001