H03H 7/09
Filters comprising mutual inductance
H03H7/09 (Filters comprising mutual inductance) appears on 709 US grants and 765 published applications in this corpus.
Search patents in H03H- Granted patents
- 709
- Published applications
- 765
- Assignees
- 268
- Inventors
- 1,089
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 6 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 2 | 0 |
| 1990 | 5 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 3 | 12 |
| 2003 | 12 | 7 |
| 2004 | 5 | 6 |
| 2005 | 8 | 8 |
| 2006 | 7 | 15 |
| 2007 | 10 | 17 |
| 2008 | 8 | 9 |
| 2009 | 8 | 7 |
| 2010 | 12 | 21 |
| 2011 | 8 | 22 |
| 2012 | 18 | 22 |
| 2013 | 13 | 25 |
| 2014 | 27 | 41 |
| 2015 | 35 | 41 |
| 2016 | 36 | 35 |
| 2017 | 52 | 44 |
| 2018 | 51 | 42 |
| 2019 | 56 | 49 |
| 2020 | 38 | 54 |
| 2021 | 47 | 51 |
| 2022 | 44 | 51 |
| 2023 | 36 | 45 |
| 2024 | 38 | 59 |
| 2025 | 53 | 45 |
| 2026 | 36 | 36 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Multilayer electronic component6 Oct 2026US 12,756,373 B2TDK Corporation
- RF Phase Shifter22 Sep 2026US 12,744,314 B2Telefonaktiebolaget LM Ericsson (publ)
- Transmit and receive switch with transformer18 Aug 2026US 12,712,583 B2Texas Instruments Incorporated
- Balun phase and amplitude imbalance correction4 Aug 2026US 12,700,843 B2Texas Instruments Incorporated
- Filter device, high-frequency module, and communication device21 Jul 2026US 12,689,346 B2Murata Manufacturing Co., Ltd.
- Power-Over Data Line Communication Device and Power-Over Data Line Communication System9 Jul 2026US 2026/0197208 A1Astemo, Ltd.
- Transformation module for an rf amplifier arrangement, rf amplifier arrangement comprising such a transformation module, and arrangement for accelerating particles comprising at least one such rf amplifier arrangement2 Jul 2026US 2026/0189198 A1Trumpf HüTtinger GmbH + Co. KG
- Low pass filter and diplexer including the same25 Jun 2026US 2026/0180538 A1Murata Manufacturing Co., Ltd.
- Multilayer common mode filter18 Jun 2026US 2026/0171298 A1Amotech Co., Ltd.
- Coupled inductors utilizing interlaced spirals for power combiners, power splitters, and transformers18 Jun 2026US 2026/0171645 A1QUALCOMM Incorporated
Most cited
By later US patents
- Integration of filters using on-chip transformers for RF and wireless applications138US 7,199,443 B2Arizona Board of Regents acting on behalf of Arizona State University · 2007
- Composite electronic component and frequency adjustment method of the same82US 5,140,497 AMurata Manufacturing Co., Ltd. · 1992
- Electronic parts81US 6,713,162 B2TDK Corporation · 2004
- Multilayered distributed filter77US 5,337,028 ASundstrand Corporation · 1994
- Network filtering circuit for protection lightning surge59US 9,979,370 B2Foxconn Interconnect Technology Limited · 2018