H03K 17/60
The devices being bipolar transistors
Official title: the devices being bipolar transistors (bipolar transistors having four or more electrodes H03K17/72)
H03K17/60 (The devices being bipolar transistors) appears on 1,355 US grants and 631 published applications in this corpus.
Search patents in H03K- Granted patents
- 1,355
- Published applications
- 631
- Assignees
- 578
- Inventors
- 2,206
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 30 | 0 |
| 1977 | 37 | 0 |
| 1978 | 27 | 0 |
| 1979 | 16 | 0 |
| 1980 | 21 | 0 |
| 1981 | 30 | 0 |
| 1982 | 27 | 0 |
| 1983 | 29 | 0 |
| 1984 | 41 | 0 |
| 1985 | 30 | 0 |
| 1986 | 47 | 0 |
| 1987 | 54 | 0 |
| 1988 | 36 | 0 |
| 1989 | 39 | 0 |
| 1990 | 35 | 0 |
| 1991 | 32 | 0 |
| 1992 | 22 | 0 |
| 1993 | 23 | 0 |
| 1994 | 26 | 0 |
| 1995 | 28 | 0 |
| 1996 | 26 | 0 |
| 1997 | 19 | 0 |
| 1998 | 17 | 0 |
| 1999 | 18 | 0 |
| 2000 | 21 | 0 |
| 2001 | 26 | 6 |
| 2002 | 20 | 7 |
| 2003 | 11 | 5 |
| 2004 | 5 | 10 |
| 2005 | 10 | 13 |
| 2006 | 14 | 11 |
| 2007 | 7 | 6 |
| 2008 | 10 | 20 |
| 2009 | 15 | 12 |
| 2010 | 17 | 8 |
| 2011 | 13 | 11 |
| 2012 | 3 | 21 |
| 2013 | 14 | 19 |
| 2014 | 17 | 19 |
| 2015 | 32 | 62 |
| 2016 | 36 | 54 |
| 2017 | 67 | 43 |
| 2018 | 36 | 32 |
| 2019 | 40 | 38 |
| 2020 | 55 | 57 |
| 2021 | 46 | 38 |
| 2022 | 30 | 37 |
| 2023 | 30 | 32 |
| 2024 | 29 | 26 |
| 2025 | 25 | 26 |
| 2026 | 16 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H03K 17/66Switching arrangements for passing the current in either direction at will330
- H03K 17/62Switching arrangements with several input- output-terminals278
- H03K 17/64Having inductive loads157
- H03K 17/603With coupled emitters123
- H03K 17/601Using transformer coupling88
- H03K 17/605With galvanic isolation between the control circuit and the output circuit81
- H03K 17/615In a darlington configuration73
- H03K 17/602In integrated circuits55
All 9 subgroupsShow fewer
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Most cited
By later US patents
- High current driver providing battery overload protection213US 5,585,749 AMotorola, Inc. · 1996
- Crosspoint switch with reduced power consumption189US 6,737,958 B1Free Electron Technology Inc. · 2004
- Integrated circuit incorporating low voltage and high voltage semiconductor devices168US 4,412,142 AGeneral Electric Company · 1983
- FPGA with conductors segmented by active repeaters143US 6,002,268 ADynaChip Corporation · 1999
- Switching amplifier circuit108US 4,475,151 A1984