H03K 17/72
Having more than two pn junctions
Official title: having more than two PN junctions; having more than three electrodes; having more than one electrode connected to the same conductivity region
H03K17/72 (Having more than two pn junctions) appears on 502 US grants and 256 published applications in this corpus.
Search patents in H03K- Granted patents
- 502
- Published applications
- 256
- Assignees
- 262
- Inventors
- 805
- Latest grant
- 9 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 21 | 0 |
| 1977 | 22 | 0 |
| 1978 | 20 | 0 |
| 1979 | 7 | 0 |
| 1980 | 10 | 0 |
| 1981 | 14 | 0 |
| 1982 | 16 | 0 |
| 1983 | 10 | 0 |
| 1984 | 14 | 0 |
| 1985 | 12 | 0 |
| 1986 | 13 | 0 |
| 1987 | 13 | 0 |
| 1988 | 8 | 0 |
| 1989 | 20 | 0 |
| 1990 | 9 | 0 |
| 1991 | 4 | 0 |
| 1992 | 11 | 0 |
| 1993 | 6 | 0 |
| 1994 | 7 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 4 | 0 |
| 1998 | 8 | 0 |
| 1999 | 4 | 0 |
| 2000 | 5 | 0 |
| 2001 | 9 | 0 |
| 2002 | 2 | 3 |
| 2003 | 6 | 2 |
| 2004 | 1 | 3 |
| 2005 | 1 | 6 |
| 2006 | 4 | 0 |
| 2007 | 4 | 8 |
| 2008 | 5 | 10 |
| 2009 | 4 | 8 |
| 2010 | 7 | 4 |
| 2011 | 7 | 7 |
| 2012 | 4 | 6 |
| 2013 | 2 | 4 |
| 2014 | 6 | 16 |
| 2015 | 10 | 15 |
| 2016 | 12 | 7 |
| 2017 | 14 | 16 |
| 2018 | 15 | 8 |
| 2019 | 10 | 12 |
| 2020 | 13 | 9 |
| 2021 | 12 | 7 |
| 2022 | 11 | 14 |
| 2023 | 15 | 14 |
| 2024 | 12 | 55 |
| 2025 | 38 | 16 |
| 2026 | 12 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Systems and methods for power module for inverter for electric vehicle9 Jun 2026US 12,652,781 B2BorgWarner US Technologies LLC
- Systems and methods for sensing temperature of inverter for electric vehicle2 Jun 2026US 12,647,020 B2BorgWarner US Technologies LLC
- Systems and methods for spacer for power module for inverter for electric vehicle26 May 2026US 12,640,643 B2BorgWarner US Technologies LLC
- Systems and methods for power module for inverter for electric vehicle12 May 2026US 12,627,218 B2BorgWarner US Technologies LLC
- Systems and methods for three channel galvanic isolator for inverter for electric vehicle5 May 2026US 12,620,891 B2BorgWarner US Technologies LLC
- Device for controlling a three-electrodes power switch9 Jul 2026US 2026/0196921 A1STMicroelectronics International N. V.
- Systems and methods for power module for inverter for electric vehicle30 Apr 2026US 2026/0121519 A1BorgWarner US Technologies LLC
- Systems and methods for low inductance phase switch for inverter for electric vehicle30 Apr 2026US 2026/0121552 A1BorgWarner US Technologies LLC
- Solid-state bidirectional switch with soft switching26 Feb 2026US 2026/0058646 A1University of Connecticut
- Switch5 Feb 2026US 2026/0039296 A1STMicroelectronics International N. V.
Most cited
By later US patents
- Load control system205US 4,833,339 ALutron Electronics Co., Inc. · 1989
- PNPN Semiconductor switches77US 4,244,000 ANippon Telegraph & Telephone Public Corporation · 1981
- Switch assembly, electric machine having the switch assembly, and method of controlling the same64US 7,183,741 B2A. O. Smith Corporation · 2007
- Method and circuit for controlling a hybrid contactor61US 4,356,525 AGeneral Electric Company · 1982
- Digital touch controlled dimmer switch59US 4,246,494 ANational Electric Corporation · 1981