H03H 11/48
Simulating reactances
Official title: simulating reactances
H03H11/48 (Simulating reactances) appears on 260 US grants and 171 published applications in this corpus.
Search patents in H03H- Granted patents
- 260
- Published applications
- 171
- Assignees
- 168
- Inventors
- 415
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 4 | 0 |
| 1985 | 1 | 0 |
| 1986 | 7 | 0 |
| 1987 | 5 | 0 |
| 1988 | 4 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 5 | 0 |
| 1993 | 5 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 5 | 0 |
| 1999 | 3 | 0 |
| 2000 | 10 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 5 |
| 2003 | 5 | 8 |
| 2004 | 8 | 8 |
| 2005 | 5 | 5 |
| 2006 | 8 | 10 |
| 2007 | 11 | 10 |
| 2008 | 6 | 11 |
| 2009 | 7 | 7 |
| 2010 | 6 | 4 |
| 2011 | 3 | 2 |
| 2012 | 7 | 6 |
| 2013 | 5 | 7 |
| 2014 | 6 | 12 |
| 2015 | 6 | 3 |
| 2016 | 9 | 3 |
| 2017 | 15 | 12 |
| 2018 | 7 | 9 |
| 2019 | 9 | 6 |
| 2020 | 12 | 10 |
| 2021 | 8 | 1 |
| 2022 | 6 | 7 |
| 2023 | 5 | 12 |
| 2024 | 7 | 10 |
| 2025 | 5 | 3 |
| 2026 | 7 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H03H 11/481Simulating capacitances62
- H03H 11/483Simulating capacitance multipliers53
- H03H 11/485Simulating inductances using operational amplifiers46
- H03H 11/50Using gyrators27
- H03H 11/486Simulating inductances using transconductance amplifiers22
- H03H 11/488Simulating inductances using current conveyors1
Recent patents
- Fully integrated gyrator with a high speed stack and networks of server farms and telecommunication modes incorporating the gyrator25 Aug 2026US 12,717,396 B2
- Bidirectional interface port11 Aug 2026US 12,706,629 B2Telefonaktiebolaget LM Ericsson (publ)
- Capacitance multiplier for decoupling capacitor31 Mar 2026US 12,592,681 B2Apple Inc.
- Power management system for delivery from a power grid or primary electrical source to a server farm or other facility consuming electric power using an input power block with on or more modules, a resonant gate transistor and a low loss transfer stage with a ladder circuit24 Mar 2026US 12,585,320 B2
- Hybrid computer module element X-(cross)-point memory17 Mar 2026US 12,578,778 B2
- Apparatuses and methods involving transducers and their tuning13 Mar 2025US 2025/0088798 A1The Board of Trustees of the Leland Stanford Junior University
- Compact Multifunctional Filter6 Mar 2025US 2025/0079972 A1
- Continuously variable active reactance systems and methods27 Feb 2025US 2025/0070756 A1Etherdyne Technologies, Inc.
- Active inductive simulator and impedance multiplier5 Dec 2024US 2024/0405752 A1King Fahd University of Petroleum and Minerals
- Method for implementing simulator and impedance multiplier circuit5 Dec 2024US 2024/0405753 A1King Fahd University of Petroleum and Minerals
Most cited
By later US patents
- Radio station with optimized impedance112US 6,868,260 B2Siemens Aktiengesellschaft · 2005
- Low power active filter64US 8,610,494 B1Taiwan Semiconductor Manufacturing Company.Ltd · 2013
- Gyrator circuit simulating an inductance and use thereof as a filter or oscillator45US 4,812,785 AU. S. Philips Corporation · 1989
- Apparatus and method for broadband matching of electrically small antennas36US 6,121,940 AAIL Systems, Inc. · 2000
- Electromechanical transducer-coupled mechanical structure with negative capacitance compensation circuit33US 4,158,787 AHughes Aircraft Company · 1979