H02M 3/33569
Having several active switching elements
Official title: {having several active switching elements (H02M3/3353 takes precedence)}
H02M3/33569 (Having several active switching elements) appears on 6,454 US grants and 7,109 published applications in this corpus.
Search patents in H02M- Granted patents
- 6,454
- Published applications
- 7,109
- Assignees
- 1,745
- Inventors
- 9,366
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 5 | 0 |
| 1981 | 6 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 4 | 0 |
| 1985 | 5 | 0 |
| 1986 | 8 | 0 |
| 1987 | 11 | 0 |
| 1988 | 10 | 0 |
| 1989 | 17 | 0 |
| 1990 | 14 | 0 |
| 1991 | 14 | 0 |
| 1992 | 25 | 0 |
| 1993 | 28 | 0 |
| 1994 | 36 | 0 |
| 1995 | 32 | 0 |
| 1996 | 34 | 0 |
| 1997 | 44 | 0 |
| 1998 | 52 | 0 |
| 1999 | 77 | 0 |
| 2000 | 73 | 0 |
| 2001 | 86 | 28 |
| 2002 | 108 | 88 |
| 2003 | 79 | 70 |
| 2004 | 80 | 79 |
| 2005 | 57 | 98 |
| 2006 | 84 | 119 |
| 2007 | 76 | 84 |
| 2008 | 69 | 122 |
| 2009 | 78 | 112 |
| 2010 | 92 | 102 |
| 2011 | 103 | 148 |
| 2012 | 88 | 134 |
| 2013 | 114 | 150 |
| 2014 | 118 | 249 |
| 2015 | 179 | 299 |
| 2016 | 262 | 275 |
| 2017 | 324 | 303 |
| 2018 | 379 | 383 |
| 2019 | 432 | 422 |
| 2020 | 455 | 503 |
| 2021 | 411 | 511 |
| 2022 | 450 | 589 |
| 2023 | 497 | 605 |
| 2024 | 449 | 620 |
| 2025 | 512 | 555 |
| 2026 | 363 | 461 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Charging system, charging method, and vehicle6 Oct 2026US 12,756,211 B2Shinry Technologies Co., Ltd.
- Resonant converter with multiple conversion circuits6 Oct 2026US 12,756,303 B2GS Yuasa International Ltd.
- Multiphase LLC resonant converter6 Oct 2026US 12,756,304 B2GS Yuasa International Ltd.
- Half-bridge driver circuit, related integrated circuit, half-bridge circuit and method6 Oct 2026US 12,756,313 B2STMicroelectronics International N. V.
- Voltage balancing in half-bridge voltage converter6 Oct 2026US 12,756,320 B2Texas Instruments Incorporated
- Synchronous rectification driving method and apparatus, and device and direct-current converter8 Oct 2026US 2026/0312479 A1Vertiv Corporation
- Multi-level structures and methods for switched-mode power supplies8 Oct 2026US 2026/0312495 A1Murata Manufacturing Co., Ltd.
- Data transfer through an isolated power converter8 Oct 2026US 2026/0312502 A1Texas Instruments Incorporated
- A method of operating a dc/dc converter8 Oct 2026US 2026/0312503 A1BRUSA HyPower AG
- Multiport active bridge (mab) converter with equalized leakage inductances8 Oct 2026US 2026/0312504 A1Hitachi Energy Ltd
Most cited
By later US patents
- Contactless electrical energy transmission system425US 6,301,128 B1Delta Electronics, Inc. · 2001
- Adaptive inductive power supply393US 7,212,414 B2Access Business Group International LLC · 2007
- Solar array inverter with maximum power tracking381US 7,193,872 B22007
- Uninterruptible power supply with direction of DC electrical energy depending on predetermined ratio303US 5,978,236 ASilverline Power Conversion LLC · 1999
- Adaptive inductive power supply with communication296US 8,116,681 B2Access Business Group International LLC · 2012