H03K 17/08126
In bipolar transitor switches
Official title: {in bipolar transitor switches}
H03K17/08126 (In bipolar transitor switches) appears on 68 US grants and 28 published applications in this corpus.
Search patents in H03K- Granted patents
- 68
- Published applications
- 28
- Assignees
- 47
- Inventors
- 137
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 3 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 5 | 0 |
| 1998 | 5 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 2 |
| 2002 | 1 | 1 |
| 2003 | 1 | 1 |
| 2004 | 2 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 1 | 1 |
| 2015 | 2 | 0 |
| 2016 | 1 | 0 |
| 2017 | 0 | 1 |
| 2018 | 0 | 2 |
| 2019 | 1 | 1 |
| 2020 | 1 | 2 |
| 2021 | 2 | 2 |
| 2022 | 2 | 3 |
| 2023 | 1 | 2 |
| 2024 | 4 | 0 |
| 2025 | 0 | 3 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- ESD protection circuit and structure18 Aug 2026US 12,713,710 B2Vanguard International Semiconductor Corporation
- Semiconductor device22 Oct 2024US 12,126,330 B2Fuji Electric Co., Ltd.
- Protection of a semiconductor switch26 Mar 2024US 11,942,926 B2Siemens Aktiengesellschaft
- Method and system of operating a bi-directional double-base bipolar junction transistor (B-TRAN)30 Jan 2024US 11,888,030 B2Ideal Power Inc.
- Protective circuit for a semiconductor switch23 Jan 2024US 11,881,845 B2Siemens Aktiengesellschaft
- Power bjt device with single pulse current strong turn-off capability, circuit breaker, and method24 Sep 2026US 2026/0291492 A1Xi'an Jiaotong Univestity
- Hybrid switching device10 Sep 2026US 2026/0269601 A1ABB Schweiz AG
- Esd protection circuit and structure23 Oct 2025US 2025/0331309 A1Vanguard International Semiconductor Corporation
- Base-to-emitter voltage temperature compensation for transistor included in sensor excitation circuit9 Oct 2025US 2025/0317136 A1Hamilton Sundstrand Corporation
- Safety disconnect circuit with automatic retry4 Sep 2025US 2025/0279778 A1
Most cited
By later US patents
- Power driver having short circuit protection107US 4,698,582 AMotorola, Inc. · 1987
- Protection device utilizing one or more subsurface diodes and associated method of manufacture55US 4,736,271 ASignetics Corporation · 1988
- Integrated circuit for current control of a power transistor43US 6,028,470 ARobert Bosch GmbH · 2000
- Switching system for selectively enabling electrical power to be applied to plural loads42US 5,289,043 ATexas Instruments Incorporated · 1994
- Transistor protection circuit40US 5,781,389 AOki Electric Industry Co., Ltd. · 1998