H03K 17/0826
In bipolar transistor switches
Official title: {in bipolar transistor switches}
H03K17/0826 (In bipolar transistor switches) appears on 306 US grants and 97 published applications in this corpus.
Search patents in H03K- Granted patents
- 306
- Published applications
- 97
- Assignees
- 169
- Inventors
- 536
- Latest grant
- 12 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 6 | 0 |
| 1978 | 2 | 0 |
| 1979 | 4 | 0 |
| 1980 | 1 | 0 |
| 1981 | 9 | 0 |
| 1982 | 13 | 0 |
| 1983 | 9 | 0 |
| 1984 | 11 | 0 |
| 1985 | 12 | 0 |
| 1986 | 9 | 0 |
| 1987 | 19 | 0 |
| 1988 | 10 | 0 |
| 1989 | 11 | 0 |
| 1990 | 14 | 0 |
| 1991 | 15 | 0 |
| 1992 | 6 | 0 |
| 1993 | 4 | 0 |
| 1994 | 7 | 0 |
| 1995 | 11 | 0 |
| 1996 | 8 | 0 |
| 1997 | 5 | 0 |
| 1998 | 8 | 0 |
| 1999 | 7 | 0 |
| 2000 | 3 | 0 |
| 2001 | 6 | 1 |
| 2002 | 1 | 1 |
| 2003 | 2 | 3 |
| 2004 | 3 | 2 |
| 2005 | 3 | 3 |
| 2006 | 3 | 5 |
| 2007 | 2 | 3 |
| 2008 | 0 | 1 |
| 2009 | 1 | 2 |
| 2010 | 0 | 1 |
| 2011 | 3 | 1 |
| 2012 | 2 | 1 |
| 2013 | 2 | 2 |
| 2014 | 1 | 3 |
| 2015 | 4 | 3 |
| 2016 | 3 | 5 |
| 2017 | 2 | 6 |
| 2018 | 4 | 4 |
| 2019 | 8 | 11 |
| 2020 | 10 | 9 |
| 2021 | 8 | 8 |
| 2022 | 10 | 7 |
| 2023 | 6 | 5 |
| 2024 | 5 | 5 |
| 2025 | 2 | 2 |
| 2026 | 6 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Co-packaged controlled overcurrent handling12 May 2026US 12,627,289 B2Infineon Technologies Austria AG
- Overshoot current detection and correction circuit for electrical fast transient events24 Mar 2026US 12,587,009 B2Texas Instruments Incorporated
- Electronic switching protection apparatus without generating an electric arc17 Mar 2026US 12,580,379 B2Hager Electro
- Three output DC voltage supply with short circuit protection17 Mar 2026US 12,580,483 B2Murata Manufacturing Co., Ltd.
- Power conversion device and method of controlling power conversion device10 Feb 2026US 12,549,082 B2Hitachi Astemo, Ltd.
- Overcurrent Protection for Bidirectional Power Semiconductor Devices20 Aug 2026US 2026/0246262 A1Ideal Power Inc.
- Circuitry and microcontroller26 Mar 2026US 2026/0088815 A1Infineon Technologies AG
- Device for protecting a circuit connected to a power supply system from overvoltages22 Jan 2026US 2026/0024985 A1Turck Holding GmbH
- Electronic power device11 Sep 2025US 2025/0283919 A1ALSTOM Holdings
- Semiconductor element drive device20 Mar 2025US 2025/0096669 A1Mitsubishi Electric Corporation
Most cited
By later US patents
- Overcurrent and overtemperature protective circuit for power transistor system93US 4,360,852 AAllis-Chalmers Corporation · 1982
- Semiconductor power module and power conversion device73US 5,608,595 AMitsubishi Denki Kabushiki Kaisha · 1997
- System and method for driving bipolar transistors in switching power conversion64US 7,990,202 B2On-Bright Electronics (Shanghai) Co., Ltd. · 2011
- Semiconductor device with independent over-current and short-circuit protection52US 5,396,117 AFuji Electric Co., Ltd. · 1995
- Integrated Darlington transistor combination including auxiliary transistor and Zener diode50US 4,564,771 ARobert Bosch GmbH · 1986