H02M
Apparatus for conversion between ac and ac, between ac and dc, or
Official title: APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF (transformers H01F; dynamo-electric converters H02K47/00; controlling transformers, reactors or choke coils, control or regulation of electric motors, generators or dynamo-electric converters H02P)
H02M (Apparatus for conversion between ac and ac, between ac and dc, or) appears on 61,482 US grants and 61,343 published applications in this corpus.
Search patents in H02M- Granted patents
- 61,482
- Published applications
- 61,343
- Assignees
- 9,303
- Inventors
- 68,106
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 231 | 0 |
| 1977 | 256 | 0 |
| 1978 | 196 | 0 |
| 1979 | 142 | 0 |
| 1980 | 183 | 0 |
| 1981 | 238 | 0 |
| 1982 | 247 | 0 |
| 1983 | 176 | 0 |
| 1984 | 247 | 0 |
| 1985 | 239 | 0 |
| 1986 | 259 | 0 |
| 1987 | 416 | 0 |
| 1988 | 283 | 0 |
| 1989 | 327 | 0 |
| 1990 | 313 | 0 |
| 1991 | 314 | 0 |
| 1992 | 310 | 0 |
| 1993 | 286 | 0 |
| 1994 | 343 | 0 |
| 1995 | 394 | 0 |
| 1996 | 442 | 0 |
| 1997 | 543 | 0 |
| 1998 | 602 | 0 |
| 1999 | 733 | 0 |
| 2000 | 724 | 0 |
| 2001 | 817 | 236 |
| 2002 | 841 | 769 |
| 2003 | 749 | 811 |
| 2004 | 796 | 1094 |
| 2005 | 745 | 1217 |
| 2006 | 1026 | 1333 |
| 2007 | 974 | 1413 |
| 2008 | 951 | 1588 |
| 2009 | 1136 | 1722 |
| 2010 | 1399 | 1930 |
| 2011 | 1483 | 2091 |
| 2012 | 1579 | 2305 |
| 2013 | 1914 | 2491 |
| 2014 | 2166 | 3103 |
| 2015 | 2496 | 3247 |
| 2016 | 3073 | 3104 |
| 2017 | 3502 | 3180 |
| 2018 | 3469 | 3246 |
| 2019 | 3715 | 3357 |
| 2020 | 3405 | 3400 |
| 2021 | 2838 | 3227 |
| 2022 | 2945 | 3356 |
| 2023 | 2794 | 3587 |
| 2024 | 2922 | 3623 |
| 2025 | 3120 | 3257 |
| 2026 | 2183 | 2656 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Main groups
Granted patents with any code in the group
- H02M 1/00Details of apparatus for conversion37,273
- H02M 3/00Conversion of dc power input into dc power output36,607
- H02M 7/00Conversion of ac power input into dc power output22,473
- H02M 5/00Conversion of ac power input into ac power output4,533
- H02M 11/00Power conversion systems not covered by the preceding groups112
Recent patents
- Apparatus for an aerosol generating device6 Oct 2026US 12,751,497 B2Nicoventures Trading Limited
- Inverter apparatus provided with dust collecting unit6 Oct 2026US 12,752,285 B2Ls Electric Co., Ltd.
- Electrified vehicle6 Oct 2026US 12,752,628 B2Toyota Jidosha Kabushiki Kaisha
- System for charging vehicle battery using motor driving system6 Oct 2026US 12,752,650 B2Hyundai Motor Company
- Method for controlling a charging device6 Oct 2026US 12,752,653 B2Dr. Ing. h,c.F. Porsche Aktiengesellschaft
- Printing device and method for controlling the same8 Oct 2026US 2026/0307384 A1Samsung Display Co., Ltd.
- Multisource hybrid energy storage system for electric vehicles8 Oct 2026US 2026/0307512 A1King Fahd University of Petroleum and Minerals
- Method and computer program for detecting a short-circuit in a power converter, controller for controlling a power converter, and computer-readable medium8 Oct 2026US 2026/0309803 A1
- Fault Detection Apparatus and Method8 Oct 2026US 2026/0309804 A1Reed Semiconductor Corporation
- Power supply device and image forming apparatus8 Oct 2026US 2026/0310126 A1KYOCERA Document Solutions Inc.
Most cited
By later US patents
- Surgical instrument control circuit having a safety processor1,553US 9,690,362 B2Ethicon, Inc. · 2017
- DC-to-DC Voltage converter1,538US 4,451,743 ACitizen Watch Co., Ltd. · 1984
- FET power converter with reduced switching loss1,520US 4,727,308 AInternational Business Machines Corporation · 1988
- Multi-stage switched capacitor DC-DC converter1,519US 6,834,001 B2Sanyo Electric Co., Ltd. · 2004
- Systems and methods for controlling a segmented circuit1,496US 9,804,618 B2Ethicon, Inc. · 2017