H03K 4/83
Using as active elements semiconductor devices with more than two pn junctions
Official title: using as active elements semiconductor devices with more than two PN junctions or with more than three electrodes or more than one electrode connected to the same conductivity region
H03K4/83 (Using as active elements semiconductor devices with more than two pn junctions) appears on 49 US grants and 1 published applications in this corpus.
Search patents in H03K- Granted patents
- 49
- Published applications
- 1
- Assignees
- 13
- Inventors
- 31
- Latest grant
- 7 Mar 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 6 | 0 |
| 1978 | 11 | 0 |
| 1979 | 8 | 0 |
| 1980 | 8 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 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 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Rectangular-wave-signal generating circuit and switching power supply7 Mar 2023US 11,601,037 B2Kabushiki Kaisha Toshiba
- Circuit arrangement for producing a vertical frequency deflection current9 Nov 1999US 5,982,115 ADeutsche Thomson-Brandt GmbH
- Circuit arrangement for producing a vertical frequency deflection current17 May 1994US 5,313,146 ADeutsche Thomson-Brandt GmbH
- Switched mode vertical deflection system and control circuit12 Mar 1991US 4,999,549 ARCA Licensing Corporation
- Electric circuit for converting an AC voltage into a DC voltage or a voltage variable at a lower frequency20 Mar 1984US 4,438,375 AThomson-Brandt
Most cited
By later US patents
- Switched vertical deflection system16US 4,048,544 ARCA Corporation · 1977
- Start-up circuit for a deflection system9US 3,936,115 ARCA Corporation · 1976
- Side pincushion distortion correction circuit9US 4,101,814 ARCA Corporation · 1978
- Oscillator circuits8US 4,001,723 ARCA Corporation · 1977
- Vertical deflection circuit6US 4,338,549 ARCA Corporation · 1982