H03B 5/1259
The means comprising a variable active inductor
Official title: {the means comprising a variable active inductor, e.g. gyrator circuits}
H03B5/1259 (The means comprising a variable active inductor) appears on 19 US grants and 12 published applications in this corpus.
Search patents in H03B- Granted patents
- 19
- Published applications
- 12
- Assignees
- 13
- Inventors
- 37
- Latest grant
- 19 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 3 | 3 |
| 2017 | 2 | 2 |
| 2018 | 1 | 1 |
| 2019 | 3 | 1 |
| 2020 | 2 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 1 |
| 2023 | 1 | 1 |
| 2024 | 1 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Sensing circuit19 Aug 2025US 12,395,141 B2The Regents of the University of California
- Clock buffer inductor1 Oct 2024US 12,107,544 B1Acacia Communications, Inc.
- Tapped inductor voltage controlled oscillator18 Apr 2023US 11,632,080 B2Futurewei Technologies, Inc.
- Tapped inductor voltage controlled oscillator30 Nov 2021US 11,190,134 B2Futurewei Technologies, Inc.
- Oscillator circuit27 Oct 2020US 10,819,278 B2Stichting IMEC Nederland
- Sensing circuit9 Nov 2023US 2023/0361742 A1The Regents of the University of California
- Tapped inductor voltage controlled oscillator8 Sep 2022US 2022/0286086 A1Futurewei Technologies, Inc.
- Oscillator Circuit6 Feb 2020US 2020/0044606 A1Stichting IMEC Nederland
- Tapped inductor voltage controlled oscillator5 Dec 2019US 2019/0372523 A1Futurewei Technologies, Inc.
- Tapped inductor voltage controlled oscillator1 Feb 2018US 2018/0034412 A1Futurewei Technologies, Inc.
Most cited
By later US patents
- Fully monolithic voltage controlled oscillator with wide tuning range25US 5,973,575 ANippon Telegraph and Telephone Corporation · 1999
- LNA with variable gain and switched degeneration inductor19US 10,110,166 B1pSemi Corporation · 2018
- Active inductor oscillator with wide frequency range15US 5,850,163 ASun Microsystems, Inc. · 1998
- Bipolar microwave monolithic voltage controlled oscillator using active inductors13US 5,347,238 ATRW Inc. · 1994
- Tapped inductor voltage controlled oscillator11US 9,425,737 B1Futurewei Technologies, Inc. · 2016