H02M 7/04
By static converters
Official title: by static converters
H02M7/04 (By static converters) appears on 6,454 US grants and 6,681 published applications in this corpus.
Search patents in H02M- Granted patents
- 6,454
- Published applications
- 6,681
- Assignees
- 2,342
- Inventors
- 11,618
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 29 | 0 |
| 1977 | 25 | 0 |
| 1978 | 22 | 0 |
| 1979 | 21 | 0 |
| 1980 | 22 | 0 |
| 1981 | 22 | 0 |
| 1982 | 33 | 0 |
| 1983 | 24 | 0 |
| 1984 | 34 | 0 |
| 1985 | 38 | 0 |
| 1986 | 25 | 0 |
| 1987 | 41 | 0 |
| 1988 | 28 | 0 |
| 1989 | 37 | 0 |
| 1990 | 27 | 0 |
| 1991 | 28 | 0 |
| 1992 | 26 | 0 |
| 1993 | 19 | 0 |
| 1994 | 31 | 0 |
| 1995 | 31 | 0 |
| 1996 | 40 | 0 |
| 1997 | 56 | 0 |
| 1998 | 50 | 0 |
| 1999 | 68 | 0 |
| 2000 | 61 | 0 |
| 2001 | 56 | 11 |
| 2002 | 65 | 48 |
| 2003 | 45 | 47 |
| 2004 | 35 | 52 |
| 2005 | 33 | 62 |
| 2006 | 58 | 67 |
| 2007 | 52 | 59 |
| 2008 | 33 | 88 |
| 2009 | 55 | 100 |
| 2010 | 64 | 116 |
| 2011 | 79 | 138 |
| 2012 | 94 | 158 |
| 2013 | 115 | 298 |
| 2014 | 170 | 361 |
| 2015 | 282 | 408 |
| 2016 | 377 | 414 |
| 2017 | 428 | 416 |
| 2018 | 465 | 464 |
| 2019 | 511 | 456 |
| 2020 | 468 | 477 |
| 2021 | 393 | 473 |
| 2022 | 432 | 456 |
| 2023 | 369 | 447 |
| 2024 | 375 | 402 |
| 2025 | 358 | 358 |
| 2026 | 204 | 305 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H02M 7/12Using discharge tubes with control electrode or semiconductor devices with control electrode4,204
- H02M 7/06Using discharge tubes without control electrode or semiconductor devices without control electrode2,301
- H02M 7/05Capacitor coupled rectifiers280
- H02M 7/043Using transformers or inductors only48
- H02M 7/28Using electrolytic rectifiers7
- H02M 7/046Using discharge tubes3
- H02M 7/26Using open-spark devices0
Recent patents
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- Power conversion apparatus, control apparatus, and switch-mode power supply6 Oct 2026US 12,756,298 B2Huawei Digital Power Technologies Co., Ltd.
- Power conversion circuit and power supply device6 Oct 2026US 12,756,328 B2Delta Electronics (Shanghai) Co., Ltd.
- Implantable medical device comprising a DC-DC converter6 Oct 2026US 12,756,329 B2Sorin Crm SAS
- 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.
- Power conversion apparatus and outdoor unit of air conditioner8 Oct 2026US 2026/0312512 A1Mitsubishi Electric Corporation
- 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.
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
- Method and apparatus for providing wireless power to a load device490US 8,461,817 B2Powercast Corporation · 2013
- Switching power supply with automatic power factor correction423US 4,683,529 AZytec Corporation · 1987
- Method and apparatus for high efficiency rectification for various loads396US 7,868,482 B2Powercast Corporation · 2011