H01P 1/2039
Galvanic coupling between input/output
Official title: {Galvanic coupling between Input/Output}
H01P1/2039 (Galvanic coupling between input/output) appears on 386 US grants and 359 published applications in this corpus.
Search patents in H01P- Granted patents
- 386
- Published applications
- 359
- Assignees
- 213
- Inventors
- 779
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 5 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 5 | 0 |
| 1995 | 6 | 0 |
| 1996 | 7 | 0 |
| 1997 | 5 | 0 |
| 1998 | 2 | 0 |
| 1999 | 5 | 0 |
| 2000 | 8 | 0 |
| 2001 | 4 | 3 |
| 2002 | 4 | 30 |
| 2003 | 17 | 10 |
| 2004 | 25 | 15 |
| 2005 | 16 | 14 |
| 2006 | 5 | 10 |
| 2007 | 14 | 15 |
| 2008 | 6 | 11 |
| 2009 | 9 | 10 |
| 2010 | 9 | 8 |
| 2011 | 8 | 19 |
| 2012 | 15 | 21 |
| 2013 | 14 | 6 |
| 2014 | 16 | 16 |
| 2015 | 8 | 12 |
| 2016 | 12 | 19 |
| 2017 | 17 | 8 |
| 2018 | 16 | 18 |
| 2019 | 13 | 16 |
| 2020 | 12 | 18 |
| 2021 | 22 | 14 |
| 2022 | 15 | 26 |
| 2023 | 16 | 15 |
| 2024 | 13 | 8 |
| 2025 | 14 | 7 |
| 2026 | 5 | 10 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Balanced bandpass filters for millimeter-wave applications10 Feb 2026US 12,548,872 B2Khalifa University of Science and Technology
- Method and apparatus for supporting optimization of output power in communication system17 Sep 2026US 2026/0280592 A1Samsung Electronics Co., Ltd.
- High-frequency filter13 Aug 2026US 2026/0238175 A1Nisshinbo Micro Devices Inc.
- Apparatus and methods for compact transmission lines23 Jul 2026US 2026/0213390 A1Analog Devices, Inc.
- Microstrip Filter, Electronic Device and Indoor Distribution System25 Jun 2026US 2026/0180153 A1Beijing BOE Technology Development Co., Ltd.
- Reconfigurable filtering device and system for acquiring radiofrequency signals incorporating such a filtering device21 May 2026US 2026/0142360 A1Centre National De La Recherche Scientifique
Most cited
By later US patents
- System and method for dual-band antenna matching340US 7,180,467 B2Kyocera Wireless Corp. · 2007
- Tunable horn antenna238US 6,867,744 B2Kyocera Wireless Corp. · 2005
- Thin film ferroelectric varactor229US 5,640,042 AThe United States of America as represented by the Secretary of the Army · 1997
- Microelectro-mechanical system actuator device and reconfigurable circuits utilizing same198US 6,127,908 AMassachusetts Institute of Technology · 2000
- Electrically tunable microwave filters187US 5,990,766 ASuperconducting Core Technologies, Inc. · 1999