H01Q 15/22
Functioning also as polarisation filter
Official title: functioning also as polarisation filter
H01Q15/22 (Functioning also as polarisation filter) appears on 69 US grants and 38 published applications in this corpus.
Search patents in H01Q- Granted patents
- 69
- Published applications
- 38
- Assignees
- 67
- Inventors
- 194
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 0 |
| 2003 | 2 | 0 |
| 2004 | 1 | 2 |
| 2005 | 1 | 1 |
| 2006 | 0 | 2 |
| 2007 | 1 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 2 |
| 2015 | 1 | 2 |
| 2016 | 2 | 0 |
| 2017 | 1 | 2 |
| 2018 | 0 | 3 |
| 2019 | 2 | 1 |
| 2020 | 5 | 3 |
| 2021 | 0 | 3 |
| 2022 | 5 | 1 |
| 2023 | 3 | 6 |
| 2024 | 2 | 2 |
| 2025 | 1 | 5 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Broadband waveplate device based on optical phase modulation and fabrication method therefor28 Jul 2026US 12,695,206 B2Unist (Ulsan National Institute of Science and Technology)
- Terahertz beam steering antenna arrays16 Jun 2026US 12,658,596 B2Massachusetts Institute of Technology
- Waveguide slot antenna7 Apr 2026US 12,597,710 B2Denso Corporation
- Cavity filter, multiplexer, radio frequency (RF) device and base station antenna30 Dec 2025US 12,512,598 B2CommScope Italy S.r.l.
- Computer analysis of remotely detected images for image identification24 Sep 2024US 12,100,128 B2International Business Machines Corporation
- Passive reflectors providing phase distribution and methods of fabricating the same9 Apr 2026US 2026/0100506 A1Corning Research & Development Corporation
- Window glass for vehicle6 Nov 2025US 2025/0340101 A1AGC Inc.
- Waveguide slot antenna26 Jun 2025US 2025/0210872 A1Denso Corporation
- Reconfigurable intelligent surface (ris) device with liquid crystal26 Jun 2025US 2025/0210875 A1Yttek Technology Corp.
- Terahertz Beam Steering Antenna Arrays3 Apr 2025US 2025/0112379 A1Massachusetts Institute of Technology
Most cited
By later US patents
- Filter including a microstrip antenna and a frequency selective surface83US 6,147,572 ALucent Technologies Inc. · 2000
- Wideband flat short foci lens antenna70US 5,883,602 AAPTI, Inc. · 1999
- Composite antenna35US 5,771,027 AComposite Optics, Inc. · 1998
- Double grid reflector antenna30US 4,647,938 AAgence Spatiale Europeenne · 1987
- Antenna system having azimuth rotating directive beam with selectable polarization29US 4,939,526 AHughes Aircraft Company · 1990