H03H 11/0444
Simulation of ladder networks
Official title: {Simulation of ladder networks}
H03H11/0444 (Simulation of ladder networks) appears on 63 US grants and 44 published applications in this corpus.
Search patents in H03H- Granted patents
- 63
- Published applications
- 44
- Assignees
- 42
- Inventors
- 90
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 2 |
| 2002 | 3 | 1 |
| 2003 | 2 | 7 |
| 2004 | 3 | 5 |
| 2005 | 4 | 1 |
| 2006 | 2 | 7 |
| 2007 | 8 | 7 |
| 2008 | 4 | 5 |
| 2009 | 5 | 0 |
| 2010 | 2 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 3 |
| 2014 | 1 | 0 |
| 2015 | 2 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 1 |
| 2019 | 3 | 2 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 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
- Bidirectional interface port11 Aug 2026US 12,706,629 B2Telefonaktiebolaget LM Ericsson (publ)
- Multi-band filter architectures8 Oct 2019US 10,439,593 B2QUALCOMM Incorporated
- High order filter circuit2 Jul 2019US 10,340,890 B2NCKU Research and Development Foundation
- Circuits and methods for transceiver self-interference cancellers30 Apr 2019US 10,277,204 B2The Trustees of Columbia University in the City of New York
- Low order filter circuit having frequency correction function, frequency correction method for the low order filter circuit, and high order filter circuit9 Oct 2018US 10,097,163 B2NCKU Research and Development Foundation
- Bidirectional interface port1 Aug 2024US 2024/0259043 A1Telefonaktiebolaget LM Ericsson (pub)
- Multi-band filter architectures28 Mar 2019US 2019/0097608 A1QUALCOMM Incorporated
- High Order Filter Circuit17 Jan 2019US 2019/0020329 A1NCKU Research and Development Foundation
- Low Order Filter Circuit Having Frequency Correction Function, Frequency Correction method for the Low Order Filter Circuit, and High Order Filter Circuit29 Mar 2018US 2018/0091119 A1NCKU Research and Development Foundation
- Circuits and methods for transceiver self-interference cancellers31 Aug 2017US 2017/0250677 A1The Trustees of Columbia University in the City of New York
Most cited
By later US patents
- Multimode receiver86US 7,266,361 B2Toumaz Technology Limited · 2007
- Integration circuit including a differential amplifier having a variable transconductance55US 5,384,501 AKabushiki Kaisha Toshiba · 1995
- Differential operational transconductance amplifier42US 5,936,466 AInternational Business Machines Corporation · 1999
- Active filter circuit with dynamically modifiable gain29US 6,958,644 B2The Trustees of Columbia University in the City of New York · 2005
- MOS transconductance amplifier for active filters28US 4,823,092 AWolfson Microelectronics plc · 1989