H03K 17/18
Modifications for indicating state of switch
H03K17/18 (Modifications for indicating state of switch) appears on 756 US grants and 728 published applications in this corpus.
Search patents in H03K- Granted patents
- 756
- Published applications
- 728
- Assignees
- 392
- Inventors
- 1,534
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 4 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 6 | 0 |
| 1986 | 3 | 0 |
| 1987 | 12 | 0 |
| 1988 | 5 | 0 |
| 1989 | 5 | 0 |
| 1990 | 4 | 0 |
| 1991 | 9 | 0 |
| 1992 | 11 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 6 | 0 |
| 1996 | 8 | 0 |
| 1997 | 4 | 0 |
| 1998 | 5 | 0 |
| 1999 | 10 | 0 |
| 2000 | 7 | 0 |
| 2001 | 3 | 4 |
| 2002 | 5 | 5 |
| 2003 | 3 | 10 |
| 2004 | 6 | 8 |
| 2005 | 6 | 7 |
| 2006 | 10 | 17 |
| 2007 | 12 | 19 |
| 2008 | 11 | 27 |
| 2009 | 15 | 19 |
| 2010 | 27 | 13 |
| 2011 | 20 | 24 |
| 2012 | 12 | 16 |
| 2013 | 16 | 20 |
| 2014 | 24 | 21 |
| 2015 | 18 | 35 |
| 2016 | 24 | 35 |
| 2017 | 40 | 33 |
| 2018 | 30 | 30 |
| 2019 | 44 | 35 |
| 2020 | 34 | 31 |
| 2021 | 31 | 45 |
| 2022 | 41 | 46 |
| 2023 | 49 | 61 |
| 2024 | 53 | 82 |
| 2025 | 69 | 52 |
| 2026 | 31 | 33 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Gate driver circuit25 Aug 2026US 12,719,375 B2NXP USA, Inc.
- Piezoelectric button system25 Aug 2026US 12,719,474 B2Boréas Technologies Inc.
- Electronic device comprising piezoelectric device, and touch input detection method using piezoelectric device11 Aug 2026US 12,704,923 B2Samsung Electronics Co., Ltd.
- Fault protection in switch driver units28 Jul 2026US 12,695,447 B2Power Integrations, Inc.
- Electronic circuit to verify the integrity of a switch16 Jun 2026US 12,658,908 B2Borgwarner Orsenigo S.R.L.
- Switch control apparatus including switch control circuit and power supply apparatus including switch control circuit24 Sep 2026US 2026/0291491 A1Samsung SDI.Co., Ltd.
- Solid state circuit interrupter27 Aug 2026US 2026/0254226 A1Eaton Intelligent Power Limited
- Control device for activating and deactivating a y-capacitor, inverter and electric drive system6 Aug 2026US 2026/0225451 A1Robert Bosch GmbH
- Current measurement6 Aug 2026US 2026/0227460 A1STMicroelectronics International N. V.
- Temperature-compensated over-current detection system6 Aug 2026US 2026/0230070 A1Mitsubishi Electric Corporation
Most cited
By later US patents
- Color variations in a dimmable lighting device with stable color temperature light sources344US 7,288,902 B1Cirrus Logic, Inc. · 2007
- Intelligent, isolated half-bridge power module157US 5,596,466 AIXYS Corporation · 1997
- Isolated gate driver for power switching device and method for carrying out same124US 5,900,683 AFord Global Technologies, LLC · 1999
- Device for controlling and displaying the functions of an electric or electronic apparatus74US 4,492,958 AMatsushita Electric Industrial Co., Ltd. · 1985
- Electronic switching device67US 4,710,699 AOmron Tateisi Electronics Co. · 1987