H03D 7/16
Multiple-frequency-changing
H03D7/16 (Multiple-frequency-changing) appears on 1,615 US grants and 1,074 published applications in this corpus.
Search patents in H03D- Granted patents
- 1,615
- Published applications
- 1,074
- Assignees
- 561
- Inventors
- 2,484
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 4 | 0 |
| 1980 | 6 | 0 |
| 1981 | 7 | 0 |
| 1982 | 4 | 0 |
| 1983 | 4 | 0 |
| 1984 | 8 | 0 |
| 1985 | 15 | 0 |
| 1986 | 14 | 0 |
| 1987 | 11 | 0 |
| 1988 | 9 | 0 |
| 1989 | 15 | 0 |
| 1990 | 19 | 0 |
| 1991 | 16 | 0 |
| 1992 | 17 | 0 |
| 1993 | 21 | 0 |
| 1994 | 22 | 0 |
| 1995 | 29 | 0 |
| 1996 | 35 | 0 |
| 1997 | 37 | 0 |
| 1998 | 58 | 0 |
| 1999 | 71 | 0 |
| 2000 | 63 | 0 |
| 2001 | 49 | 22 |
| 2002 | 48 | 53 |
| 2003 | 47 | 60 |
| 2004 | 48 | 51 |
| 2005 | 38 | 67 |
| 2006 | 73 | 67 |
| 2007 | 45 | 75 |
| 2008 | 51 | 42 |
| 2009 | 60 | 61 |
| 2010 | 46 | 58 |
| 2011 | 61 | 45 |
| 2012 | 65 | 44 |
| 2013 | 54 | 45 |
| 2014 | 59 | 49 |
| 2015 | 54 | 35 |
| 2016 | 41 | 23 |
| 2017 | 24 | 30 |
| 2018 | 27 | 37 |
| 2019 | 50 | 34 |
| 2020 | 38 | 34 |
| 2021 | 27 | 34 |
| 2022 | 37 | 27 |
| 2023 | 22 | 24 |
| 2024 | 19 | 27 |
| 2025 | 16 | 18 |
| 2026 | 21 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Array antenna device1 Sep 2026US 12,725,936 B2Hiroshima University
- NPF radiofrequency device11 Aug 2026US 12,706,604 B2Centre National De La Recherche Scientifique
- Wireless circuitry with low-noise peak detection7 Jul 2026US 12,674,825 B2Apple Inc.
- DC offset calibration in an interdependent quadrature receiver7 Jul 2026US 12,676,580 B2Silicon Laboratories Inc.
- Multiband radio receivers7 Jul 2026US 12,676,640 B2Nordic Semiconductor ASA
- Processing device, processing method, and storage medium17 Sep 2026US 2026/0280487 A1NEC Corporation
- Photonic image rejection rf mixer, a phased-array radio frequency receiver implementing the same and related methods of operation3 Sep 2026US 2026/0261240 A1Phase Sensitive Innovations, Inc.
- Balun and mixer27 Aug 2026US 2026/0254433 A1Nanjing Milewei Corp
- Frequency conversion circuit, antenna system and electronic device6 Aug 2026US 2026/0230095 A1Beijing BOE Technology Development Co., Ltd.
- Mixer with bias sharing9 Jul 2026US 2026/0197022 A1QUALCOMM Incorporated
Most cited
By later US patents
- Client-server based remote locator device710US 6,131,067 ASnapTrack, Inc. · 2000
- GPS receiver and method for processing GPS signals593US 5,663,734 APrecision Tracking, Inc. · 1997
- GPS receiver utilizing a communication link582US 5,841,396 ASnapTrack, Inc. · 1998
- GPS receiver utilizing a communication link514US 5,874,914 ASnapTrack, Inc. · 1999
- GPS receiver utilizing a communication link451US 6,064,336 ASnapTrack, Inc. · 2000