H03J 7/08
Using varactors, i.e. voltage variable reactive diodes
Official title: using varactors, i.e. voltage variable reactive diodes (H03J7/06 takes precedence)
H03J7/08 (Using varactors, i.e. voltage variable reactive diodes) appears on 92 US grants and 22 published applications in this corpus.
Search patents in H03J- Granted patents
- 92
- Published applications
- 22
- Assignees
- 54
- Inventors
- 143
- Latest grant
- 4 May 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 17 | 0 |
| 1977 | 6 | 0 |
| 1978 | 9 | 0 |
| 1979 | 4 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 2 |
| 2003 | 1 | 1 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 3 | 2 |
| 2007 | 1 | 7 |
| 2008 | 4 | 1 |
| 2009 | 1 | 1 |
| 2010 | 2 | 0 |
| 2011 | 2 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 2 |
| 2018 | 1 | 0 |
| 2019 | 2 | 1 |
| 2020 | 1 | 1 |
| 2021 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Method and apparatus for sensing environment using a wireless passive sensor4 May 2021US 10,998,886 B2RFMicron, Inc.
- Method and apparatus for sensing environment using a wireless passive sensor28 Apr 2020US 10,637,443 B2RFMicron, Inc.
- Oscillator, electronic apparatus, and vehicle6 Aug 2019US 10,374,613 B2Seiko Epson Corporation
- Solid-state impedance matching systems including a hybrid tuning network with a switchable coarse tuning network and a varactor fine tuning network12 Mar 2019US 10,229,816 B2MKS Instruments, Inc.
- System and method for a tunable capacitance circuit23 Jan 2018US 9,876,480 B2Infineon Technologies AG
- Method and apparatus for sensing environment using a wireless passive sensor17 Dec 2020US 2020/0395919 A1RFMicron, Inc.
- Method and apparatus for sensing environment using a wireless passive sensor20 Jun 2019US 2019/0190498 A1RFMicron, Inc.
- Solid-state impedance matching systems including a hybrid tuning network with a switchable coarse tuning network and a varactor fine tuning network30 Nov 2017US 2017/0345620 A1MKS Instruments, Inc.
- Oscillator, electronic apparatus, and vehicle28 Sep 2017US 2017/0279452 A1Seiko Epson Corporation
- System and Method for a Tunable Capacitance Circuit23 Apr 2015US 2015/0109072 A1Infineon Technologies AG
Most cited
By later US patents
- Self centering frequency multiplier108US 5,903,196 AMotorola, Inc. · 1999
- High frequency receiving apparatus94US 5,600,680 AMatsushita Electric Industrial Co., Ltd. · 1997
- Temperature compensation circuit for a crystal oscillator and associated circuitry63US 5,777,524 AMotorola, Inc. · 1998
- Method for lowpass filter calibration in a satellite receiver56US 6,134,282 ALSI Logic Corporation · 2000
- Automatic frequency control using split-band signal strength measurements53US 5,487,186 AHitachi America, Ltd. · 1996