H03K 17/0424
By the use of a transformer
Official title: by the use of a transformer
H03K17/0424 (By the use of a transformer) appears on 40 US grants and 16 published applications in this corpus.
Search patents in H03K- Granted patents
- 40
- Published applications
- 16
- Assignees
- 36
- Inventors
- 71
- Latest grant
- 5 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 4 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 1 |
| 2014 | 1 | 2 |
| 2015 | 2 | 0 |
| 2016 | 1 | 3 |
| 2017 | 1 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 1 |
| 2020 | 4 | 1 |
| 2021 | 0 | 2 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
| 2024 | 1 | 1 |
| 2025 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Layout of gate driver circuit for high-speed switching devices5 Aug 2025US 12,381,547 B2Murata Manufacturing Co., Ltd.
- Isolated gate driver13 May 2025US 12,301,122 B2Murata Manufacturing Co., Ltd.
- Galvanically isolated driver package for switch drive circuit with power transfer29 Oct 2024US 12,132,469 B2Allegro MicroSystems, LLC
- Efficient nanosecond pulser with source and sink capability for plasma control applications9 May 2023US 11,646,176 B2Eagle Harbor Technologies, Inc.
- Control of a pass switch by a current source13 Oct 2020US 10,804,890 B2Infineon Technologies Austria AG
- Layout of gate driver circuit for high-speed switching devices6 Nov 2025US 2025/0343540 A1Murata Manufacturing Co., Ltd.
- Layout of gate driver circuit for high-speed switching devices30 May 2024US 2024/0178828 A1Murata Manufacturing Co., Ltd.
- Isolated gate driver4 May 2023US 2023/0137936 A1Murata Manufacturing Co., Ltd.
- Galvanically Isolated Driver Package for Switch Drive Circuit with Power Transfer2 Dec 2021US 2021/0376822 A1Heyday Integrated Circuits SAS
- Efficient nanosecond pulser with source and sink capability for plasma control applications14 Jan 2021US 2021/0013011 A1Eagle Harbor Technologies, Inc.
Most cited
By later US patents
- High frequency gas discharge lamp dimming ballast74US 4,663,570 ALutron Electronics Co., Inc. · 1987
- Efficient nanosecond pulser with source and sink capability for plasma control applications71US 10,796,887 B2Eagle Harbor Technologies, Inc. · 2020
- Power switching control circuit with enhanced turn-off drive26US 3,986,052 ANorth Electric Company · 1976
- Switch mode converter and improved primary switch drive therefor18US 4,629,971 AMAI Basic Four, Inc. · 1986
- Drive circuit for a controllable electronic switching element, for example, a power transistor15US 3,999,086 ATelefonaktiebolaget L M Ericsson · 1976