H03K 19/086
Emitter coupled logic
H03K19/086 (Emitter coupled logic) appears on 256 US grants and 20 published applications in this corpus.
Search patents in H03K- Granted patents
- 256
- Published applications
- 20
- Assignees
- 65
- Inventors
- 326
- Latest grant
- 3 Oct 2017
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 5 | 0 |
| 1978 | 1 | 0 |
| 1979 | 4 | 0 |
| 1980 | 2 | 0 |
| 1981 | 5 | 0 |
| 1982 | 5 | 0 |
| 1983 | 5 | 0 |
| 1984 | 3 | 0 |
| 1985 | 13 | 0 |
| 1986 | 14 | 0 |
| 1987 | 16 | 0 |
| 1988 | 14 | 0 |
| 1989 | 12 | 0 |
| 1990 | 19 | 0 |
| 1991 | 17 | 0 |
| 1992 | 18 | 0 |
| 1993 | 20 | 0 |
| 1994 | 16 | 0 |
| 1995 | 8 | 0 |
| 1996 | 6 | 0 |
| 1997 | 3 | 0 |
| 1998 | 9 | 0 |
| 1999 | 6 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 0 |
| 2002 | 5 | 5 |
| 2003 | 1 | 3 |
| 2004 | 6 | 0 |
| 2005 | 1 | 2 |
| 2006 | 3 | 3 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 2 | 3 |
| 2010 | 1 | 1 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
| 2017 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Emitter-coupled spin-transistor logic3 Oct 2017US 9,780,791 B2Northwestern University
- Emitter-coupled spin-transistor logic23 Feb 2016US 9,270,277 B2Northwestern University
- HFM enable control system16 Aug 2011US 8,000,200 B2Texas Instruments Incorporated
- Circuit and oscillating apparatus2 Feb 2010US 7,656,234 B2Advantest Corporation
- Bulk input current switch logic circuit20 Oct 2009US 7,605,613 B2Industrial Technology Research Institute
- Emitter-coupled spin-transistor logic12 May 2016US 2016/0134287 A1Northwestern University
- Emitter-coupled spin-transistor logic2 Jan 2014US 2014/0002137 A1Northwestern University
- Hfm enable control system16 Dec 2010US 2010/0315926 A1Texas Instruments Incorporated
- Bulk input current switch logic circuit27 Aug 2009US 2009/0212821 A1Industrial Technology Research Institute
- Bulk input current switch logic circuit27 Aug 2009US 2009/0212822 A1Industrial Technology Research Institute
Most cited
By later US patents
- Digital ECL bipolar logic gates suitable for low-voltage operation52US 5,289,055 AAT&T Bell Laboratories · 1994
- Active load for emitter coupled logic gate46US 4,806,796 AMotorola, Inc. · 1989
- Symmetrical Exclusive-Or gate, and modification thereof to provide an analog multiplier45US 5,122,687 AANT Nachrichtentechnik GmbH · 1992
- Current mode logic gates for low-voltage high speed applications43US 6,265,898 B1Texas Instruments Incorporated · 2001
- Circuits with dynamically biased active loads41US 5,909,127 AInternational Business Machines Corporation · 1999