H02M 3/00
Conversion of dc power input into dc power output
Official title: Conversion of DC power input into DC power output
H02M3/00 (Conversion of dc power input into dc power output) appears on 36,607 US grants and 36,997 published applications in this corpus.
Search patents in H02M- Granted patents
- 36,607
- Published applications
- 36,997
- Assignees
- 5,830
- Inventors
- 41,016
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 84 | 0 |
| 1977 | 112 | 0 |
| 1978 | 82 | 0 |
| 1979 | 50 | 0 |
| 1980 | 74 | 0 |
| 1981 | 111 | 0 |
| 1982 | 108 | 0 |
| 1983 | 86 | 0 |
| 1984 | 102 | 0 |
| 1985 | 101 | 0 |
| 1986 | 108 | 0 |
| 1987 | 191 | 0 |
| 1988 | 133 | 0 |
| 1989 | 163 | 0 |
| 1990 | 149 | 0 |
| 1991 | 139 | 0 |
| 1992 | 151 | 0 |
| 1993 | 140 | 0 |
| 1994 | 165 | 0 |
| 1995 | 201 | 0 |
| 1996 | 229 | 0 |
| 1997 | 282 | 0 |
| 1998 | 335 | 0 |
| 1999 | 425 | 0 |
| 2000 | 404 | 0 |
| 2001 | 473 | 148 |
| 2002 | 542 | 504 |
| 2003 | 476 | 465 |
| 2004 | 503 | 658 |
| 2005 | 471 | 754 |
| 2006 | 625 | 867 |
| 2007 | 628 | 892 |
| 2008 | 607 | 1013 |
| 2009 | 744 | 1104 |
| 2010 | 888 | 1198 |
| 2011 | 971 | 1252 |
| 2012 | 981 | 1368 |
| 2013 | 1153 | 1374 |
| 2014 | 1294 | 1832 |
| 2015 | 1506 | 1930 |
| 2016 | 1897 | 1800 |
| 2017 | 2139 | 1906 |
| 2018 | 2098 | 1890 |
| 2019 | 2267 | 1909 |
| 2020 | 2045 | 2022 |
| 2021 | 1663 | 1957 |
| 2022 | 1755 | 2067 |
| 2023 | 1797 | 2179 |
| 2024 | 1765 | 2219 |
| 2025 | 1867 | 2031 |
| 2026 | 1327 | 1658 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H02M 3/02Without intermediate conversion into ac23,481
- H02M 3/22Conversion of dc power input into dc power output: with intermediate conversion15,002
- H02M 3/01Resonant dc/dc converters2,371
- H02M 3/003Constructional details1,242
- H02M 3/005Conversion of dc power input into dc power output: using cuk converters133
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Most cited
By later US patents
- DC-to-DC Voltage converter1,538US 4,451,743 ACitizen Watch Co., Ltd. · 1984
- FET power converter with reduced switching loss1,520US 4,727,308 AInternational Business Machines Corporation · 1988
- Multi-stage switched capacitor DC-DC converter1,519US 6,834,001 B2Sanyo Electric Co., Ltd. · 2004
- High efficiency power converter1,482US 7,202,653 B2Richtek Technology Corporation · 2007
- Voltage converter control apparatus, and method1,440US 7,199,537 B2Toyota Jidosha Kabushiki Kaisha · 2007