H02M 3/02
Without intermediate conversion into ac
Official title: without intermediate conversion into AC
H02M3/02 (Without intermediate conversion into ac) appears on 23,481 US grants and 24,513 published applications in this corpus.
Search patents in H02M- Granted patents
- 23,481
- Published applications
- 24,513
- Assignees
- 4,160
- Inventors
- 29,416
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 42 | 0 |
| 1977 | 34 | 0 |
| 1978 | 33 | 0 |
| 1979 | 19 | 0 |
| 1980 | 38 | 0 |
| 1981 | 42 | 0 |
| 1982 | 41 | 0 |
| 1983 | 32 | 0 |
| 1984 | 32 | 0 |
| 1985 | 36 | 0 |
| 1986 | 38 | 0 |
| 1987 | 63 | 0 |
| 1988 | 41 | 0 |
| 1989 | 57 | 0 |
| 1990 | 56 | 0 |
| 1991 | 59 | 0 |
| 1992 | 72 | 0 |
| 1993 | 70 | 0 |
| 1994 | 57 | 0 |
| 1995 | 94 | 0 |
| 1996 | 118 | 0 |
| 1997 | 127 | 0 |
| 1998 | 173 | 0 |
| 1999 | 231 | 0 |
| 2000 | 214 | 0 |
| 2001 | 265 | 90 |
| 2002 | 310 | 287 |
| 2003 | 277 | 295 |
| 2004 | 325 | 417 |
| 2005 | 310 | 507 |
| 2006 | 417 | 581 |
| 2007 | 422 | 600 |
| 2008 | 408 | 667 |
| 2009 | 512 | 759 |
| 2010 | 599 | 782 |
| 2011 | 663 | 825 |
| 2012 | 652 | 889 |
| 2013 | 762 | 868 |
| 2014 | 850 | 1161 |
| 2015 | 970 | 1248 |
| 2016 | 1222 | 1221 |
| 2017 | 1451 | 1284 |
| 2018 | 1378 | 1261 |
| 2019 | 1563 | 1309 |
| 2020 | 1415 | 1406 |
| 2021 | 1131 | 1346 |
| 2022 | 1228 | 1376 |
| 2023 | 1210 | 1448 |
| 2024 | 1226 | 1443 |
| 2025 | 1244 | 1328 |
| 2026 | 852 | 1115 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Apparatus for an aerosol generating device6 Oct 2026US 12,751,497 B2Nicoventures Trading Limited
- System for charging vehicle battery using motor driving system6 Oct 2026US 12,752,650 B2Hyundai Motor Company
- Power supply, electronic device including the same, and method of driving the same6 Oct 2026US 12,755,669 B2Samsung Display Co., Ltd.
- Display device having a short circuit protection part to output a shutdown signal6 Oct 2026US 12,755,687 B2Samsung Display Co., Ltd.
- Power supply over-voltage protection system6 Oct 2026US 12,756,178 B2Quanta Computer Inc.
- Multisource hybrid energy storage system for electric vehicles8 Oct 2026US 2026/0307512 A1King Fahd University of Petroleum and Minerals
- Power supply circuit and power supply chip8 Oct 2026US 2026/0312478 A1Shanghai Xinlong Semiconductor Technology Co., Ltd.
- Single-ended driver and bidirectional overcurrent protection for a thermoelectric cooler8 Oct 2026US 2026/0312480 A1
- Driving voltage adjusting circuit and power supplying system8 Oct 2026US 2026/0312482 A1Universal Global Technology (Huizhou) Co., Ltd.
- Power converter with switched capacitor voltage divider and multiphase dc-dc voltage regulator8 Oct 2026US 2026/0312484 A1The Trustees of Princeton University
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