H02M 3/315
Using semiconductor devices only
Official title: using semiconductor devices only
H02M3/315 (Using semiconductor devices only) appears on 103 US grants and 34 published applications in this corpus.
Search patents in H02M- Granted patents
- 103
- Published applications
- 34
- Assignees
- 61
- Inventors
- 136
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 8 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 6 | 0 |
| 1982 | 8 | 0 |
| 1983 | 5 | 0 |
| 1984 | 8 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 2 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 1 | 0 |
| 2014 | 0 | 2 |
| 2015 | 2 | 1 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 3 | 6 |
| 2019 | 3 | 3 |
| 2020 | 3 | 5 |
| 2021 | 2 | 2 |
| 2022 | 4 | 2 |
| 2023 | 2 | 5 |
| 2024 | 1 | 3 |
| 2025 | 1 | 2 |
| 2026 | 4 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Apparatus and method for generating a magnetic field15 Sep 2026US 12,734,372 B2Zimmer MedizinSysteme GmbH
- Wireless power receiving device21 Jul 2026US 12,689,235 B2Murata Manufacturing Co., Ltd.
- Apparatus and method for generating a magnetic field14 Jul 2026US 12,678,632 B2Zimmer MedizinSysteme GmbH
- Apparatus and method for generating a magnetic field24 Feb 2026US 12,558,561 B2Zimmer MedizinSysteme GmbH
- Contactless power feed apparatus and power transmission method18 Feb 2025US 12,230,977 B2OMRON Corporation
- Power regulator4 Jun 2026US 2026/0153541 A1Autonics Corporation
- Gate unit for a gate-commutated thyristor and integrated gate-commutated thyristor27 Feb 2025US 2025/0070773 A1Ecole Polytechnique Federale De Lausanne (Epfl)
- Apparatus for generating a magnetic field20 Feb 2025US 2025/0058139 A1Zimmer MedizinSysteme GmbH
- Contactless power feed apparatus and power transmission method11 Jul 2024US 2024/0235267 A9OMRON Corporation
- Apparatus and method for generating a magnetic field20 Jun 2024US 2024/0198116 A1Zimmer MedizinSysteme GmbH
Most cited
By later US patents
- Inverter for interfacing advanced energy sources to a utility grid91US 4,445,049 AGeneral Electric Company · 1984
- Sequential discharge and its use for rectification85US 5,905,371 AD.C. Transformation, Inc. · 1999
- Stabilized welding power source including a series-resonant current-regulated converter using a transformer having an air-gapped core63US 4,769,754 AMiller Electric Mfg. Co. · 1988
- Electrostatic precipitator control58US 4,390,831 AResearch-Cottrell, Inc. · 1983
- Power supply for electrostatic apparatus55US 4,386,395 AWebster Electric Company, Inc. · 1983