H03K 17/04126
In bipolar transistor switches
Official title: {in bipolar transistor switches}
H03K17/04126 (In bipolar transistor switches) appears on 154 US grants and 46 published applications in this corpus.
Search patents in H03K- Granted patents
- 154
- Published applications
- 46
- Assignees
- 95
- Inventors
- 282
- Latest grant
- 24 Jun 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 2 | 0 |
| 1979 | 4 | 0 |
| 1980 | 5 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 8 | 0 |
| 1986 | 8 | 0 |
| 1987 | 15 | 0 |
| 1988 | 8 | 0 |
| 1989 | 11 | 0 |
| 1990 | 4 | 0 |
| 1991 | 5 | 0 |
| 1992 | 9 | 0 |
| 1993 | 2 | 0 |
| 1994 | 6 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 3 | 0 |
| 2002 | 1 | 3 |
| 2003 | 6 | 3 |
| 2004 | 0 | 1 |
| 2005 | 1 | 3 |
| 2006 | 3 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 2 |
| 2009 | 3 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 1 |
| 2013 | 1 | 0 |
| 2014 | 1 | 4 |
| 2015 | 2 | 1 |
| 2016 | 1 | 3 |
| 2017 | 3 | 3 |
| 2018 | 3 | 4 |
| 2019 | 4 | 2 |
| 2020 | 3 | 1 |
| 2021 | 0 | 0 |
| 2022 | 2 | 5 |
| 2023 | 0 | 3 |
| 2024 | 4 | 1 |
| 2025 | 2 | 3 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Methods and systems of operating a double-sided double-base bipolar junction transistor3 Apr 2025US 2025/0112634 A1Ideal Power Inc.
- Topology circuit system of hybrid device-based driving motor20 Mar 2025US 2025/0096667 A1Xeca Turbo Clean Power Rugao Co., Ltd.
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Most cited
By later US patents
- Modular power supply with PLL control298US 4,783,728 AModular Power Corporation · 1988
- Power driver circuit178US 5,504,449 AHarris Corporation · 1996
- High speed-high voltage switching with low power consumption108US 4,070,589 AThe Singer Company · 1978
- Electronic circuit utilizing resonance technique to drive clock inputs of function circuitry for saving power45US 5,734,285 A1998
- Controlled switching of non-regenerative power semiconductors44US 4,540,893 AGeneral Electric Company · 1985