H02M 7/217
Using semiconductor devices only
Official title: using semiconductor devices only
H02M7/217 (Using semiconductor devices only) appears on 3,336 US grants and 3,697 published applications in this corpus.
Search patents in H02M- Granted patents
- 3,336
- Published applications
- 3,697
- Assignees
- 1,374
- Inventors
- 6,486
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 1 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 8 | 0 |
| 1983 | 2 | 0 |
| 1984 | 5 | 0 |
| 1985 | 10 | 0 |
| 1986 | 3 | 0 |
| 1987 | 10 | 0 |
| 1988 | 8 | 0 |
| 1989 | 13 | 0 |
| 1990 | 7 | 0 |
| 1991 | 11 | 0 |
| 1992 | 7 | 0 |
| 1993 | 9 | 0 |
| 1994 | 11 | 0 |
| 1995 | 16 | 0 |
| 1996 | 22 | 0 |
| 1997 | 28 | 0 |
| 1998 | 26 | 0 |
| 1999 | 35 | 0 |
| 2000 | 24 | 0 |
| 2001 | 26 | 6 |
| 2002 | 36 | 25 |
| 2003 | 23 | 22 |
| 2004 | 18 | 25 |
| 2005 | 14 | 37 |
| 2006 | 30 | 30 |
| 2007 | 26 | 25 |
| 2008 | 14 | 46 |
| 2009 | 30 | 51 |
| 2010 | 36 | 66 |
| 2011 | 38 | 82 |
| 2012 | 55 | 88 |
| 2013 | 60 | 159 |
| 2014 | 106 | 213 |
| 2015 | 145 | 217 |
| 2016 | 224 | 224 |
| 2017 | 236 | 181 |
| 2018 | 230 | 228 |
| 2019 | 265 | 224 |
| 2020 | 228 | 240 |
| 2021 | 196 | 282 |
| 2022 | 248 | 254 |
| 2023 | 211 | 270 |
| 2024 | 214 | 254 |
| 2025 | 218 | 232 |
| 2026 | 135 | 216 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Power conversion system and flight vehicle6 Oct 2026US 12,752,924 B2Hitachi, Ltd.
- Phase-loss control method for three-phase three-wire converter and three-phase AC control system6 Oct 2026US 12,756,295 B2Lite-On Electronics (Guangzhou) Limited
- Power conversion apparatus, control apparatus, and switch-mode power supply6 Oct 2026US 12,756,298 B2Huawei Digital Power Technologies Co., Ltd.
- Power supply system6 Oct 2026US 12,756,330 B2Delta Electronics (Shanghai) Co., Ltd.
- Non-isolated zero current and voltage transition technique (ZCVTT)29 Sep 2026US 12,749,966 B2Power Switching LLC
- Ac-dc converter, rotary machine driver, and refrigeration cycle applied equipment8 Oct 2026US 2026/0312510 A1Mitsubishi Electric Corporation
- Power supply circuit8 Oct 2026US 2026/0312511 A1Fuji Electric Co., Ltd.
- Dynamic Boost with Constant Current Mode1 Oct 2026US 2026/0302833 A1Avago Technologies International Sales Pte. Limited
- Semiconductor device, isolated dc-dc converter, ac-dc converter and vehicle1 Oct 2026US 2026/0302923 A1Rohm Co., Ltd.
- Power conversion circuit and program for use in power conversion circuit1 Oct 2026US 2026/0302927 A1Murata Manufacturing Co., Ltd.
Most cited
By later US patents
- Method and apparatus for control of pulse width modulation (PWM) converter799US 5,446,646 AKabushiki Kaisha Toshiba · 1995
- Low power rectifier circuit for implantable medical device542US 5,999,849 AAlfred E. Mann Foundation · 1999
- Power conversion and distribution system283US 5,982,645 ASquare D Company · 1999
- Controller for a synchronous rectifier switch272US 9,088,216 B2Power Systems Technologies, Ltd. · 2015
- Battery monitoring and charging control unit262US 5,563,496 ASpan, Inc. · 1996