H03H 11/1243
Simulation of ladder networks
Official title: {Simulation of ladder networks}
H03H11/1243 (Simulation of ladder networks) appears on 8 US grants and 8 published applications in this corpus.
Search patents in H03H- Granted patents
- 8
- Published applications
- 8
- Assignees
- 7
- Inventors
- 15
- Latest grant
- 17 Feb 2026
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| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
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| 1997 | 0 | 0 |
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| 1999 | 0 | 0 |
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| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 2 |
| 2006 | 3 | 0 |
| 2007 | 0 | 3 |
| 2008 | 2 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Adaptive radio frequency filter with improved linearity17 Feb 2026US 12,555,882 B2Thales
- Second order loop filter and multi-order delta sigma modulator including the same31 May 2016US 9,356,618 B2Electronics and Telecommunications Research Institute
- System and method for dynamic power-optimization of analog active filters14 Oct 2008US 7,436,251 B2The Trustees of Columbia University in the City of New York
- Variable gain voltage/current converter circuit having current compensation circuit for compensating for change in DC current flowing into active element for performing voltage/current conversion2 Sep 2008US 7,420,419 B2NEC Corporation
- Operational amplifier circuit, sample/hold circuit and filter circuit using the operational amplifier circuit30 May 2006US 7,053,703 B2Kabushiki Kaisha Toshiba
- Adaptive radio frequency filter with improved linearity8 Jun 2023US 2023/0178867 A1Thales
- Second order loop filter and multi-order delta sigma modulator including the same13 Aug 2015US 2015/0229292 A1Electronics and Telecommunications Research Institute
- System And Method For Dynamic Power-Optimization Of Analog Active Filters11 Oct 2007US 2007/0236282 A1The Trustees of Columbia University in the City of New York
- Complex filter with automatic tuning capabilities11 Oct 2007US 2007/0237273 A1
- Variable gain voltage/current converter circuit having current compensation circuit for compensating for change in dc current flowing into active element for performing voltage/current conversion5 Jul 2007US 2007/0152744 A1NEC Corporation
Most cited
By later US patents
- Asymmetric polyphase filter66US 4,914,408 AU. S. Philips Corporation · 1990
- Variable gain voltage/current converter circuit having current compensation circuit for compensating for change in DC current flowing into active element for performing voltage/current conversion4US 7,420,419 B2NEC Corporation · 2008
- System and method for dynamic power-optimization of analog active filters3US 7,436,251 B2The Trustees of Columbia University in the City of New York · 2008
- Operational amplifier circuit, sample/hold circuit and filter circuit using the operational amplifier circuit2US 7,009,448 B2Kabushiki Kaisha Toshiba · 2006
- Second order loop filter and multi-order delta sigma modulator including the same2US 9,356,618 B2Electronics and Telecommunications Research Institute · 2016