H03B 5/1888
The active element in the amplifier being a semiconductor device
Official title: {the active element in the amplifier being a semiconductor device}
H03B5/1888 (The active element in the amplifier being a semiconductor device) appears on 22 US grants and 5 published applications in this corpus.
Search patents in H03B- Granted patents
- 22
- Published applications
- 5
- Assignees
- 14
- Inventors
- 41
- Latest grant
- 14 Nov 2017
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 1 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- System and method for reducing phase noise in high frequency YIG oscillators14 Nov 2017US 9,819,308 B1Micro Lambda Wireless, Inc.
- Nonreciprocal transmission line apparatus having asymmetric structure of transmission line9 Jun 2015US 9,054,406 B2National University Corporation Kyoto Institute of Technology
- Differential resonant ring oscillator utilizing magnetically tuned YIG resonators to achieve ultra low phase noise and multi-octave electronic tuning in microwave frequencies8 Jan 2013US 8,350,629 B2
- Microwave oscillator tuned with a ferromagnetic thin film5 May 2009US 7,528,663 B2Commissariat A L' Energie Atomique
- Modulator and oscillator for microwave and milliwave use13 Apr 2004US 6,720,833 B2Oki Electric Industry Co., Ltd.
- Nonreciprocal transmission line device5 Dec 2013US 2013/0321093 A1National University Corporation Kyoto Institute of Technology
- Differential resonant ring oscillator utilizing magnetically tuned yig resonators to achieve ultra low phase noise and multi-octave electronic tuning in microwave frequencies23 Jun 2011US 2011/0148532 A1
- Microwave Oscillator Tuned With a Ferromagnetic Thin Film25 Oct 2007US 2007/0247243 A1Commissariat A L' Energie Atomique
- High frequency oscillator using dielectric resonator25 Aug 2005US 2005/0184818 A1
- Modulator and oscillator for microwave and milliwave use8 Aug 2002US 2002/0105390 A1Oki Electric Industry Co., Ltd.
Most cited
By later US patents
- Tuned oscillator utilizing thin film ferromagnetic resonator41US 4,887,052 ASony Corporation · 1989
- YIG thin film tuned MIC oscillator39US 4,626,800 ASony Corporation · 1986
- Microwave oscillator tuned with a ferromagnetic thin film38US 7,528,663 B2Commissariat A L' Energie Atomique · 2009
- Tuned oscillator33US 4,873,496 ASony Corporation · 1989
- Multiple magnetically tuned oscillator14US 5,200,713 AWiltron Company · 1993