H01Q 3/44
Varying the electric or magnetic characteristics of reflecting, refracting, or diffracting devices
Official title: varying the electric or magnetic characteristics of reflecting, refracting, or diffracting devices associated with the radiating element
H01Q3/44 (Varying the electric or magnetic characteristics of reflecting, refracting, or diffracting devices) appears on 1,526 US grants and 1,536 published applications in this corpus.
Search patents in H01Q- Granted patents
- 1,526
- Published applications
- 1,536
- Assignees
- 594
- Inventors
- 2,867
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 10 | 0 |
| 1977 | 3 | 0 |
| 1978 | 11 | 0 |
| 1979 | 3 | 0 |
| 1980 | 5 | 0 |
| 1981 | 5 | 0 |
| 1982 | 5 | 0 |
| 1983 | 5 | 0 |
| 1984 | 2 | 0 |
| 1985 | 6 | 0 |
| 1986 | 7 | 0 |
| 1987 | 6 | 0 |
| 1988 | 5 | 0 |
| 1989 | 5 | 0 |
| 1990 | 6 | 0 |
| 1991 | 8 | 0 |
| 1992 | 7 | 0 |
| 1993 | 14 | 0 |
| 1994 | 9 | 0 |
| 1995 | 8 | 0 |
| 1996 | 14 | 0 |
| 1997 | 16 | 0 |
| 1998 | 16 | 0 |
| 1999 | 9 | 0 |
| 2000 | 20 | 0 |
| 2001 | 23 | 5 |
| 2002 | 28 | 29 |
| 2003 | 23 | 19 |
| 2004 | 25 | 35 |
| 2005 | 26 | 47 |
| 2006 | 42 | 36 |
| 2007 | 38 | 32 |
| 2008 | 25 | 25 |
| 2009 | 34 | 25 |
| 2010 | 16 | 39 |
| 2011 | 21 | 16 |
| 2012 | 28 | 28 |
| 2013 | 20 | 25 |
| 2014 | 28 | 19 |
| 2015 | 25 | 50 |
| 2016 | 27 | 41 |
| 2017 | 50 | 39 |
| 2018 | 44 | 81 |
| 2019 | 73 | 128 |
| 2020 | 119 | 117 |
| 2021 | 122 | 121 |
| 2022 | 97 | 92 |
| 2023 | 82 | 99 |
| 2024 | 95 | 152 |
| 2025 | 93 | 138 |
| 2026 | 117 | 98 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Radio wave control system, control apparatus, radio wave control method, and non-transitory computer readable medium29 Sep 2026US 12,749,809 B2NEC Corporation
- AI control and allocation of network resources22 Sep 2026US 12,744,316 B2
- Electromagnetic wave control element22 Sep 2026US 12,744,317 B2FUJIFILM Corporation
- Antenna and electronic device comprising same15 Sep 2026US 12,738,647 B2Samsung Electronics Co., Ltd.
- Optically transparent and quasi-transparent reflectarrays for 5g applications8 Sep 2026US 12,730,067 B2Bdcm A2 LLC
- Broadband liquid crystal array antenna structure1 Oct 2026US 2026/0302617 A1TMY Technology Inc.
- Scattering surface design method and scattering surface design apparatus24 Sep 2026US 2026/0291078 A1Electronics and Telecommunications Research Institute
- Reflective phase shifter for use in phased arrays17 Sep 2026US 2026/0280122 A1
- Methods, apparatuses and systems for reference signal transmission for intelligent reflection surface installed user equipment channel estimation17 Sep 2026US 2026/0280138 A1KYOCERA Corporation
- Reconfigurable reflective surfaces for interior sensing3 Sep 2026US 2026/0261043 A1Robert Bosch GmbH
Most cited
By later US patents
- Meta-element antenna and array415US 7,068,234 B2HRL Laboratories, LLC · 2006
- Communication system and methods utilizing a reactively controlled directive array358US 5,767,807 AInternational Business Machines Corporation · 1998
- System and method for dual-band antenna matching340US 7,180,467 B2Kyocera Wireless Corp. · 2007
- Aperiodic array antenna282US 7,463,201 B2InterDigital Corporation · 2008
- Controllable surface filter264US 5,619,366 ATexas Instruments Incorporated · 1997