H02H 9/025
Current limitation using field effect transistors
Official title: {Current limitation using field effect transistors}
H02H9/025 (Current limitation using field effect transistors) appears on 474 US grants and 512 published applications in this corpus.
Search patents in H02H- Granted patents
- 474
- Published applications
- 512
- Assignees
- 295
- Inventors
- 965
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 4 | 0 |
| 1998 | 5 | 0 |
| 1999 | 6 | 0 |
| 2000 | 4 | 0 |
| 2001 | 0 | 2 |
| 2002 | 5 | 2 |
| 2003 | 5 | 8 |
| 2004 | 4 | 5 |
| 2005 | 4 | 4 |
| 2006 | 7 | 20 |
| 2007 | 5 | 6 |
| 2008 | 7 | 16 |
| 2009 | 10 | 15 |
| 2010 | 12 | 7 |
| 2011 | 12 | 5 |
| 2012 | 11 | 8 |
| 2013 | 10 | 22 |
| 2014 | 19 | 27 |
| 2015 | 16 | 29 |
| 2016 | 33 | 30 |
| 2017 | 32 | 28 |
| 2018 | 16 | 36 |
| 2019 | 40 | 36 |
| 2020 | 39 | 42 |
| 2021 | 37 | 27 |
| 2022 | 38 | 23 |
| 2023 | 16 | 22 |
| 2024 | 22 | 22 |
| 2025 | 12 | 29 |
| 2026 | 23 | 41 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Methods and devices for managing power supply systems6 Oct 2026US 12,756,180 B2Comcast Cable Communications, LLC
- Electrostatic discharge circuit, display substrate, and display device6 Oct 2026US 12,756,181 B2Boe Technology Group Co., Ltd.
- Inrush current limiting circuit22 Sep 2026US 12,744,376 B2ABB Schweiz AG
- ESD protection circuit25 Aug 2026US 12,719,264 B2LAPIS Technology Co., Ltd.
- Overcurrent protection circuit, semiconductor device, electronic apparatus, and vehicle28 Jul 2026US 12,695,295 B2Rohm Co., Ltd.
- Arc fault protection for vehicles10 Sep 2026US 2026/0269599 A1GM Global Technology Operations LLC
- Parallel electric paths with electronic devices and current limiting circuits3 Sep 2026US 2026/0261115 A1Infineon Technologies AG
- Bidirectional current limiting circuits27 Aug 2026US 2026/0254229 A1ROLLS-ROYCE plc
- Electrostatic discharge protection circuit and integrated circuit having electrostatic discharge protection mechanism20 Aug 2026US 2026/0246261 A1Materials Analysis Technology Inc.
- Overcurrent Protection for Bidirectional Power Semiconductor Devices20 Aug 2026US 2026/0246262 A1Ideal Power Inc.
Most cited
By later US patents
- Apparatus and method for controlling LED arrays114US 6,680,834 B2Honeywell International Inc. · 2004
- Protection apparatus for patient-implantable device81US 4,745,923 AIntermedics, Inc. · 1988
- Adaptive duty-cycle limiting for overload protection of integrated circuits81US 5,550,702 ATexas Instruments Incorporated · 1996
- Electrostatic discharge protection device for integrated circuit67US 5,545,909 ASiliconix Incorporated · 1996
- Series current limiter59US 4,533,970 AMotorola, Inc. · 1985