H02M 7/155
Using semiconductor devices only
Official title: using semiconductor devices only
H02M7/155 (Using semiconductor devices only) appears on 696 US grants and 486 published applications in this corpus.
Search patents in H02M- Granted patents
- 696
- Published applications
- 486
- Assignees
- 391
- Inventors
- 1,357
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 13 | 0 |
| 1977 | 12 | 0 |
| 1978 | 13 | 0 |
| 1979 | 8 | 0 |
| 1980 | 6 | 0 |
| 1981 | 11 | 0 |
| 1982 | 19 | 0 |
| 1983 | 15 | 0 |
| 1984 | 19 | 0 |
| 1985 | 13 | 0 |
| 1986 | 13 | 0 |
| 1987 | 9 | 0 |
| 1988 | 13 | 0 |
| 1989 | 10 | 0 |
| 1990 | 1 | 0 |
| 1991 | 6 | 0 |
| 1992 | 5 | 0 |
| 1993 | 5 | 0 |
| 1994 | 8 | 0 |
| 1995 | 7 | 0 |
| 1996 | 12 | 0 |
| 1997 | 8 | 0 |
| 1998 | 13 | 0 |
| 1999 | 13 | 0 |
| 2000 | 11 | 0 |
| 2001 | 9 | 4 |
| 2002 | 15 | 6 |
| 2003 | 7 | 6 |
| 2004 | 6 | 7 |
| 2005 | 4 | 4 |
| 2006 | 5 | 9 |
| 2007 | 3 | 6 |
| 2008 | 5 | 9 |
| 2009 | 4 | 13 |
| 2010 | 10 | 13 |
| 2011 | 8 | 13 |
| 2012 | 8 | 10 |
| 2013 | 9 | 16 |
| 2014 | 10 | 18 |
| 2015 | 20 | 29 |
| 2016 | 29 | 26 |
| 2017 | 34 | 32 |
| 2018 | 31 | 38 |
| 2019 | 44 | 43 |
| 2020 | 36 | 37 |
| 2021 | 25 | 26 |
| 2022 | 31 | 40 |
| 2023 | 22 | 21 |
| 2024 | 30 | 29 |
| 2025 | 21 | 19 |
| 2026 | 7 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- AC/DC substation configurable between charging and powering modes8 Sep 2026US 12,728,735 B2Caterpillar Inc.
- Impedance monitoring of a modular electrolysis system25 Aug 2026US 12,716,141 B2Ohmium International, Inc.
- Multiple port power supply system14 Jul 2026US 12,683,413 B2UT-Battelle, LLC
- Voltage doubling circuit for powering a load19 May 2026US 12,635,044 B2Tomar Electronics, Inc.
- High-power four-quadrant converter system28 Apr 2026US 12,614,990 B2Hefei Institute of Physical Science, Chinese Academy of Sciences
- Power supply system, and controlling method and controller thereof17 Sep 2026US 2026/0280281 A1Hitachi Energy Ltd
- High voltage battery capacitor bank and mid-bus pre-charging using a lower voltage battery10 Sep 2026US 2026/0264548 A1Rivian IP Holdings, LLC
- Energy conversion arrangement for an electrolysis system3 Sep 2026US 2026/0261214 A1Siemens Energy Global GmbH & Co. KG
- Converter system and control method thereof20 Aug 2026US 2026/0246359 A1Delta Electronics, Inc.
- An electric power system for supplying electric energy to a vessel13 Aug 2026US 2026/0238019 A1Danfoss A/S
Most cited
By later US patents
- Microprocessor controlled voltage regulating transformer114US 4,419,619 AMcGraw-Edison Company · 1983
- Load balancing system for ups rectifiers77US 4,114,048 AWestinghouse Electric Corp. · 1978
- Control circuit for progressively varying illumination intensity of lamps76US 3,991,343 A1976
- Power system for parallel operation of AC/DC convertrs71US 5,319,536 AInternational Business Machines Corporation · 1994
- Controller for AC generator64US 7,327,123 B2Magnetic Applications, Inc. · 2008