H02M 5/293
Using semiconductor devices only
Official title: using semiconductor devices only
H02M5/293 (Using semiconductor devices only) appears on 643 US grants and 648 published applications in this corpus.
Search patents in H02M- Granted patents
- 643
- Published applications
- 648
- Assignees
- 362
- Inventors
- 1,215
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 7 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 6 | 0 |
| 1994 | 2 | 0 |
| 1995 | 5 | 0 |
| 1996 | 6 | 0 |
| 1997 | 7 | 0 |
| 1998 | 8 | 0 |
| 1999 | 7 | 0 |
| 2000 | 2 | 0 |
| 2001 | 9 | 4 |
| 2002 | 7 | 4 |
| 2003 | 5 | 14 |
| 2004 | 10 | 8 |
| 2005 | 6 | 17 |
| 2006 | 10 | 6 |
| 2007 | 8 | 5 |
| 2008 | 7 | 15 |
| 2009 | 7 | 16 |
| 2010 | 14 | 10 |
| 2011 | 11 | 19 |
| 2012 | 13 | 31 |
| 2013 | 22 | 20 |
| 2014 | 19 | 51 |
| 2015 | 25 | 48 |
| 2016 | 49 | 37 |
| 2017 | 41 | 37 |
| 2018 | 41 | 30 |
| 2019 | 30 | 28 |
| 2020 | 28 | 24 |
| 2021 | 32 | 42 |
| 2022 | 28 | 40 |
| 2023 | 38 | 43 |
| 2024 | 39 | 34 |
| 2025 | 33 | 35 |
| 2026 | 20 | 30 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Step down the voltage in the transmission lines using capacitors and high frequency switches6 Oct 2026US 12,756,325 B2Saudi Arabian Oil Company
- AC-to-AC converter having higher output frequency6 Oct 2026US 12,756,326 B2Dyson Technology Limited
- Isolation transformer and power converter25 Aug 2026US 12,718,981 B2Huawei Technologies Co., Ltd.
- AC-to-DC power conversion with ground reference to common node of solid-state AC switch25 Aug 2026US 12,719,348 B2Amber Semiconductor, Inc.
- Three-phase power supply switching unit25 Aug 2026US 12,720,690 B2Seiko Epson Corporation
- Power converter17 Sep 2026US 2026/0280438 A1Infineon Technologies Austria AG
- Power converter17 Sep 2026US 2026/0280439 A1Infineon Technologies Austria AG
- Method for operating a converter, converter and computer program product10 Sep 2026US 2026/0269736 A1Hitachi Energy Ltd
- Step down the voltage in the transmission lines using capacitors and high frequency switches3 Sep 2026US 2026/0261211 A1Saudi Arabian Oil Company
- Voltage amplitude and phase adjustment apparatus and method, and computer device and storage medium27 Aug 2026US 2026/0254344 A1
Most cited
By later US patents
- Ozone generator with in-line ozone sensor515US 5,540,898 AVasogen, Inc. · 1996
- Inductorless controlled transition and other light dimmers194US 5,225,765 A1993
- Power stealing solid state switch for supplying operating power to an electronic control device164US 5,903,139 AHoneywell Inc. · 1999
- Inductorless controlled transition and other light dimmers131US 5,319,301 A1994
- Phase-controlled power modulation system120US 5,239,255 ABayview Technology Group, LLC · 1993