H02M 7/523
With lc-resonance circuit in the main circuit
Official title: with LC-resonance circuit in the main circuit
H02M7/523 (With lc-resonance circuit in the main circuit) appears on 138 US grants and 45 published applications in this corpus.
Search patents in H02M- Granted patents
- 138
- Published applications
- 45
- Assignees
- 104
- Inventors
- 232
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 16 | 0 |
| 1978 | 9 | 0 |
| 1979 | 4 | 0 |
| 1980 | 7 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 8 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 2 | 0 |
| 1992 | 5 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 2 |
| 2002 | 4 | 3 |
| 2003 | 0 | 1 |
| 2004 | 2 | 4 |
| 2005 | 3 | 2 |
| 2006 | 2 | 1 |
| 2007 | 2 | 0 |
| 2008 | 1 | 2 |
| 2009 | 1 | 0 |
| 2010 | 1 | 1 |
| 2011 | 2 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 2 |
| 2014 | 0 | 2 |
| 2015 | 1 | 1 |
| 2016 | 3 | 0 |
| 2017 | 0 | 1 |
| 2018 | 3 | 6 |
| 2019 | 4 | 1 |
| 2020 | 3 | 3 |
| 2021 | 1 | 5 |
| 2022 | 4 | 0 |
| 2023 | 3 | 5 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
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- Switch-mode power supplies including three-level LLC circuits for low line and high line operation7 Mar 2023US 11,601,060 B2Astec International Limited
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- Arcp converter and control thereof17 Oct 2024US 2024/0348180 A1ABB Schweiz AG
- Inverter20 Jul 2023US 2023/0231492 A1Energy Research Lab Ltd
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- Inverter20 Jul 2023US 2023/0231494 A1Energy Research Lab Ltd
Most cited
By later US patents
- Electronic power controller172US 5,363,020 ASystems and Service International, Inc. · 1994
- High-efficiency adaptive DC/AC converter147US 6,259,615 B1O2 Micro International Limited · 2001
- High-efficiency adaptive DC/AC converter126US 6,396,722 B2Micro International Limited · 2002
- Power supplier for magnetron83US 4,076,996 AMatsushita Electric Industrial Co., Ltd. · 1978
- High-efficiency adaptive DC/AC converter82US 6,804,129 B202 Micro International Limited · 2004