H02M 7/537
Using semiconductor devices only
Official title: using semiconductor devices only, e.g. single switched pulse inverters
H02M7/537 (Using semiconductor devices only) appears on 8,406 US grants and 8,672 published applications in this corpus.
Search patents in H02M- Granted patents
- 8,406
- Published applications
- 8,672
- Assignees
- 2,194
- Inventors
- 14,179
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 16 | 0 |
| 1977 | 34 | 0 |
| 1978 | 22 | 0 |
| 1979 | 22 | 0 |
| 1980 | 22 | 0 |
| 1981 | 26 | 0 |
| 1982 | 39 | 0 |
| 1983 | 21 | 0 |
| 1984 | 35 | 0 |
| 1985 | 41 | 0 |
| 1986 | 49 | 0 |
| 1987 | 55 | 0 |
| 1988 | 52 | 0 |
| 1989 | 44 | 0 |
| 1990 | 47 | 0 |
| 1991 | 59 | 0 |
| 1992 | 49 | 0 |
| 1993 | 49 | 0 |
| 1994 | 66 | 0 |
| 1995 | 65 | 0 |
| 1996 | 74 | 0 |
| 1997 | 72 | 0 |
| 1998 | 75 | 0 |
| 1999 | 79 | 0 |
| 2000 | 78 | 0 |
| 2001 | 82 | 23 |
| 2002 | 75 | 60 |
| 2003 | 65 | 76 |
| 2004 | 69 | 112 |
| 2005 | 54 | 109 |
| 2006 | 104 | 122 |
| 2007 | 96 | 118 |
| 2008 | 82 | 104 |
| 2009 | 87 | 139 |
| 2010 | 106 | 149 |
| 2011 | 104 | 165 |
| 2012 | 110 | 192 |
| 2013 | 166 | 234 |
| 2014 | 174 | 335 |
| 2015 | 246 | 412 |
| 2016 | 337 | 376 |
| 2017 | 448 | 475 |
| 2018 | 463 | 526 |
| 2019 | 573 | 652 |
| 2020 | 610 | 586 |
| 2021 | 507 | 557 |
| 2022 | 532 | 677 |
| 2023 | 499 | 688 |
| 2024 | 591 | 741 |
| 2025 | 661 | 578 |
| 2026 | 374 | 466 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- 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
- Integrated thermal management system and vehicle6 Oct 2026US 12,752,666 B2BYD Company Limited
- Power conversion system and flight vehicle6 Oct 2026US 12,752,924 B2Hitachi, Ltd.
- Pulsed charging and heating techniques for energy sources6 Oct 2026US 12,756,218 B2Tae Technologies, Inc.
- 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
- Systems and methods for inverter synchronization8 Oct 2026US 2026/0312415 A1Caterpillar Inc.
- Power converting apparatus and home appliance including the same8 Oct 2026US 2026/0312477 A1LG Electronics Inc.
- Power converter control with second order harmonic injection8 Oct 2026US 2026/0312483 A1The Trustees of Columbia University in the City of New York
- Motor control device, electric power steering device, and vehicle8 Oct 2026US 2026/0312486 A1Mitsubishi Electric Mobility Corporation
Most cited
By later US patents
- Voltage converter control apparatus, and method1,440US 7,199,537 B2Toyota Jidosha Kabushiki Kaisha · 2007
- Adaptive current control1,062US 5,343,382 ADelco Electronics Corporation · 1994
- RF generator system for surgical vessel sealing1,033US 9,039,694 B2Just Right Surgical, LLC · 2015
- Inverter992US 8,044,604 B2Rohm Co., Ltd. · 2011
- Electrosurgical generator with high-frequency pulse width modulated feedback power control434US 4,727,874 AC. R. Bard, Inc. · 1988