H03K 17/56
By the use, as active elements, of semiconductor devices
Official title: by the use, as active elements, of semiconductor devices (using diodes H03K17/74)
H03K17/56 (By the use, as active elements, of semiconductor devices) appears on 9,572 US grants and 8,137 published applications in this corpus.
Search patents in H03K- Granted patents
- 9,572
- Published applications
- 8,137
- Assignees
- 2,321
- Inventors
- 15,045
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 57 | 0 |
| 1977 | 68 | 0 |
| 1978 | 51 | 0 |
| 1979 | 25 | 0 |
| 1980 | 38 | 0 |
| 1981 | 51 | 0 |
| 1982 | 65 | 0 |
| 1983 | 53 | 0 |
| 1984 | 73 | 0 |
| 1985 | 73 | 0 |
| 1986 | 93 | 0 |
| 1987 | 121 | 0 |
| 1988 | 96 | 0 |
| 1989 | 113 | 0 |
| 1990 | 101 | 0 |
| 1991 | 115 | 0 |
| 1992 | 110 | 0 |
| 1993 | 79 | 0 |
| 1994 | 97 | 0 |
| 1995 | 98 | 0 |
| 1996 | 105 | 0 |
| 1997 | 86 | 0 |
| 1998 | 102 | 0 |
| 1999 | 98 | 0 |
| 2000 | 106 | 0 |
| 2001 | 107 | 29 |
| 2002 | 103 | 91 |
| 2003 | 98 | 84 |
| 2004 | 80 | 114 |
| 2005 | 102 | 155 |
| 2006 | 117 | 146 |
| 2007 | 120 | 195 |
| 2008 | 150 | 233 |
| 2009 | 157 | 168 |
| 2010 | 191 | 156 |
| 2011 | 175 | 178 |
| 2012 | 133 | 206 |
| 2013 | 187 | 202 |
| 2014 | 229 | 277 |
| 2015 | 273 | 433 |
| 2016 | 403 | 479 |
| 2017 | 523 | 444 |
| 2018 | 441 | 499 |
| 2019 | 554 | 480 |
| 2020 | 584 | 555 |
| 2021 | 475 | 439 |
| 2022 | 466 | 495 |
| 2023 | 437 | 542 |
| 2024 | 494 | 641 |
| 2025 | 513 | 540 |
| 2026 | 386 | 356 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H03K 17/687The devices being field-effect transistors7,073
- H03K 17/60The devices being bipolar transistors1,355
- H03K 17/567Circuits characterised by the use of more than one type of semiconductor1,105
- H03K 17/72Having more than two pn junctions502
- H03K 17/58The devices being tunnel diodes6
- H03K 17/70The devices having only two electrodes and exhibiting negative resistance5
Recent patents
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- Transmitter interpolating clock signal, communication device including the same, and method of operating the same6 Oct 2026US 12,756,382 B2Samsung Electronics Co., Ltd.
- Switching of power semiconductor devices by programmable current pulses6 Oct 2026US 12,756,383 B2OPTUNITY, Inc
- Efficient switching circuit6 Oct 2026US 12,756,384 B2Solaredge Technologies Ltd.
- RF switch stack with charge control elements6 Oct 2026US 12,756,391 B2pSemi Corporation
- Electrostatic discharge (esd) protection circuit using tie-cell technique8 Oct 2026US 2026/0312400 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Isolator circuit8 Oct 2026US 2026/0312485 A1Texas Instruments Incorporated
- Driver circuit1 Oct 2026US 2026/0301624 A1Novatek Microelectronics Corp.
- Transition material-based non-blocking multiple state, multiport radio frequency switch1 Oct 2026US 2026/0303067 A1Dell Products L. P.
- Hvic device with combined level shifter and boost diode in junction termination region1 Oct 2026US 2026/0303069 A1Alpha and Omega Semiconductor International LP
Most cited
By later US patents
- Hand-held diathermy apparatus527US 4,878,493 ANinetronix Venture I · 1989
- Symmetrically and asymmetrically stacked transistor group RF switch378US 7,796,969 B2Peregrine Semiconductor Corporation · 2010
- Color variations in a dimmable lighting device with stable color temperature light sources344US 7,288,902 B1Cirrus Logic, Inc. · 2007
- Modular power supply with PLL control298US 4,783,728 AModular Power Corporation · 1988
- Structured ASIC device with configurable die size and selectable embedded functions262US 7,337,425 B2AMI Semiconductor, Inc. · 2008