H03K 17/689
With galvanic isolation between the control circuit and the output circuit
Official title: with galvanic isolation between the control circuit and the output circuit (H03K17/78 takes precedence)
H03K17/689 (With galvanic isolation between the control circuit and the output circuit) appears on 656 US grants and 626 published applications in this corpus.
Search patents in H03K- Granted patents
- 656
- Published applications
- 626
- Assignees
- 329
- Inventors
- 1,125
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 5 | 0 |
| 1985 | 3 | 0 |
| 1986 | 5 | 0 |
| 1987 | 2 | 0 |
| 1988 | 10 | 0 |
| 1989 | 4 | 0 |
| 1990 | 6 | 0 |
| 1991 | 4 | 0 |
| 1992 | 6 | 0 |
| 1993 | 6 | 0 |
| 1994 | 6 | 0 |
| 1995 | 6 | 0 |
| 1996 | 11 | 0 |
| 1997 | 9 | 0 |
| 1998 | 6 | 0 |
| 1999 | 8 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 3 |
| 2002 | 5 | 2 |
| 2003 | 2 | 5 |
| 2004 | 6 | 5 |
| 2005 | 7 | 10 |
| 2006 | 8 | 5 |
| 2007 | 4 | 12 |
| 2008 | 8 | 9 |
| 2009 | 10 | 22 |
| 2010 | 15 | 12 |
| 2011 | 13 | 9 |
| 2012 | 4 | 20 |
| 2013 | 18 | 19 |
| 2014 | 25 | 25 |
| 2015 | 15 | 39 |
| 2016 | 32 | 29 |
| 2017 | 42 | 33 |
| 2018 | 43 | 41 |
| 2019 | 42 | 32 |
| 2020 | 39 | 38 |
| 2021 | 34 | 30 |
| 2022 | 25 | 25 |
| 2023 | 30 | 43 |
| 2024 | 25 | 82 |
| 2025 | 67 | 44 |
| 2026 | 29 | 32 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Pulse transmission circuit, signal transmission device, electronic device, and vehicle15 Sep 2026US 12,738,938 B2Rohm Co., Ltd.
- Level shifter25 Aug 2026US 12,719,473 B2Taiwan Semiconductor Manufacturing Company.Ltd
- Drive circuit18 Aug 2026US 12,712,434 B2Solaredge Technologies Ltd.
- Signal transmission circuit and power conversion apparatus11 Aug 2026US 12,706,524 B2Mitsubishi Electric Corporation
- Pulse drive circuit and signal transmission device11 Aug 2026US 12,706,598 B2Rohm Co., Ltd.
- Isolator circuit8 Oct 2026US 2026/0312485 A1Texas Instruments Incorporated
- Semiconductor device, electronic apparatus, and vehicle17 Sep 2026US 2026/0280560 A1Rohm Co., Ltd.
- Switch and drive apparatus27 Aug 2026US 2026/0254450 A1Huawei Digital Power Technologies Co., Ltd.
- Semiconductor device, signal transmission device, electronic device, and vehicle27 Aug 2026US 2026/0254451 A1Rohm Co., Ltd.
- Isolator including electrically floating intermediate electrode portion20 Aug 2026US 2026/0247638 A1Rohm Co., Ltd.
Most cited
By later US patents
- Circuit for driving a voltage-controlled semiconductor switch189US 5,404,059 AABB Patent GmbH · 1995
- Power driver circuit178US 5,504,449 AHarris Corporation · 1996
- Transformer coupled FET drive circuit170US 5,963,078 APeco II, Inc. · 1999
- Intelligent, isolated half-bridge power module157US 5,596,466 AIXYS Corporation · 1997
- Solar photovoltaic module safety shutdown system143US 8,859,884 B2Helios Focus LLC · 2014