H03H 7/422
Comprising distributed impedance elements together with lumped impedance elements
Official title: {comprising distributed impedance elements together with lumped impedance elements}
H03H7/422 (Comprising distributed impedance elements together with lumped impedance elements) appears on 78 US grants and 76 published applications in this corpus.
Search patents in H03H- Granted patents
- 78
- Published applications
- 76
- Assignees
- 59
- Inventors
- 137
- Latest grant
- 24 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 2 | 2 |
| 2003 | 2 | 1 |
| 2004 | 2 | 2 |
| 2005 | 2 | 3 |
| 2006 | 1 | 1 |
| 2007 | 1 | 2 |
| 2008 | 0 | 1 |
| 2009 | 1 | 5 |
| 2010 | 0 | 8 |
| 2011 | 9 | 3 |
| 2012 | 7 | 4 |
| 2013 | 3 | 3 |
| 2014 | 3 | 3 |
| 2015 | 4 | 6 |
| 2016 | 5 | 2 |
| 2017 | 6 | 2 |
| 2018 | 2 | 6 |
| 2019 | 5 | 3 |
| 2020 | 2 | 1 |
| 2021 | 1 | 3 |
| 2022 | 2 | 5 |
| 2023 | 1 | 1 |
| 2024 | 5 | 5 |
| 2025 | 4 | 2 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Balun and power amplifier circuit5 Mar 2026US 2026/0066859 A1Murata Manufacturing Co., Ltd.
- Rf device29 Jan 2026US 2026/0031848 A1Texas Instruments Incorporated
- Systems for and methods of signal division1 May 2025US 2025/0141079 A1Avago Technologies International Sales Pte. Limited
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Most cited
By later US patents
- Integrated filter balun79US 6,803,835 B2Agilent Technologies, Inc. · 2004
- Chip type transformer69US 5,497,137 AMurata Manufacturing Co., Ltd. · 1996
- Balun transformer45US 4,193,048 ARockwell International Corporation · 1980
- Multi-layer LC resonance balun33US 6,483,415 B1Industrial Technology Research Institute · 2002
- Multilayer balun transformer structure32US 6,603,383 B2Telefonaktiebolaget LM Ericsson (publ) · 2003