H03K 17/795
Controlling bipolar transistors
Official title: controlling bipolar transistors
H03K17/795 (Controlling bipolar transistors) appears on 222 US grants and 94 published applications in this corpus.
Search patents in H03K- Granted patents
- 222
- Published applications
- 94
- Assignees
- 165
- Inventors
- 361
- Latest grant
- 16 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 2 | 0 |
| 1978 | 5 | 0 |
| 1979 | 7 | 0 |
| 1980 | 5 | 0 |
| 1981 | 6 | 0 |
| 1982 | 2 | 0 |
| 1983 | 5 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 12 | 0 |
| 1988 | 10 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 12 | 0 |
| 1992 | 7 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 8 | 0 |
| 1996 | 6 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 6 | 1 |
| 2003 | 2 | 1 |
| 2004 | 2 | 3 |
| 2005 | 1 | 2 |
| 2006 | 3 | 3 |
| 2007 | 1 | 2 |
| 2008 | 1 | 4 |
| 2009 | 3 | 1 |
| 2010 | 4 | 3 |
| 2011 | 2 | 2 |
| 2012 | 0 | 1 |
| 2013 | 4 | 1 |
| 2014 | 5 | 6 |
| 2015 | 4 | 5 |
| 2016 | 4 | 5 |
| 2017 | 8 | 6 |
| 2018 | 4 | 9 |
| 2019 | 9 | 9 |
| 2020 | 8 | 11 |
| 2021 | 8 | 6 |
| 2022 | 5 | 7 |
| 2023 | 4 | 2 |
| 2024 | 4 | 1 |
| 2025 | 6 | 2 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Clamping circuit16 Dec 2025US 12,500,407 B2Industrial Technology Research Institute
- Reset switch power supply on-off control circuit and system14 Oct 2025US 12,445,123 B2Sublue Underwater Ai Co., Ltd.
- Hybrid analog key structure16 Sep 2025US 12,418,289 B1Logitech Europe S. A.
- Simulation model and simulation method9 Sep 2025US 12,412,015 B2Mitsubishi Electric Corporation
- Electric heating device for a motor vehicle17 Jun 2025US 12,336,060 B2Eberspacher catem GmbH & Co.KG
- Hybrid analog key structure4 Dec 2025US 2025/0370551 A1Logitech Europe S. A.
- Clamping circuit26 Jun 2025US 2025/0210976 A1Industrial Technology Research Institute
- Reset switch power supply on-off control circuit and system19 Dec 2024US 2024/0421814 A1Sublue Underwater Ai Co., Ltd.
- Switching circuit10 Aug 2023US 2023/0253183 A1Reno Technologies, Inc.
- Battery switch on circuit and lithium battery26 Jan 2023US 2023/0025702 A1Pylon Technologies Co., Ltd.
Most cited
By later US patents
- Integrated circuit incorporating low voltage and high voltage semiconductor devices168US 4,412,142 AGeneral Electric Company · 1983
- Solar photovoltaic module safety shutdown system143US 8,859,884 B2Helios Focus LLC · 2014
- Electro-optical isolator circuit for line powered modem136US 4,417,099 AUniversal Data Systems, Inc. · 1983
- Bi-directional optical coupler81US 6,556,750 B2Fairchild Semiconductor Corporation · 2003
- High voltage switch with isolated power80US 10,607,814 B2Eagle Harbor Technologies, Inc. · 2020