Y02B 70/10
Technologies improving the efficiency by using switched-mode power supplies [smps], i.e. efficient
Official title: Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
Y02B70/10 (Technologies improving the efficiency by using switched-mode power supplies [smps], i.e. efficient) appears on 15,392 US grants and 14,970 published applications in this corpus.
Search patents in Y02B- Granted patents
- 15,392
- Published applications
- 14,970
- Assignees
- 3,137
- Inventors
- 18,589
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 12 | 0 |
| 1978 | 11 | 0 |
| 1979 | 5 | 0 |
| 1980 | 7 | 0 |
| 1981 | 13 | 0 |
| 1982 | 14 | 0 |
| 1983 | 17 | 0 |
| 1984 | 18 | 0 |
| 1985 | 23 | 0 |
| 1986 | 23 | 0 |
| 1987 | 48 | 0 |
| 1988 | 41 | 0 |
| 1989 | 54 | 0 |
| 1990 | 56 | 0 |
| 1991 | 58 | 0 |
| 1992 | 56 | 0 |
| 1993 | 53 | 0 |
| 1994 | 81 | 0 |
| 1995 | 102 | 0 |
| 1996 | 103 | 0 |
| 1997 | 131 | 0 |
| 1998 | 151 | 0 |
| 1999 | 180 | 0 |
| 2000 | 208 | 0 |
| 2001 | 239 | 61 |
| 2002 | 225 | 220 |
| 2003 | 205 | 195 |
| 2004 | 203 | 280 |
| 2005 | 203 | 307 |
| 2006 | 274 | 344 |
| 2007 | 238 | 324 |
| 2008 | 226 | 362 |
| 2009 | 259 | 426 |
| 2010 | 308 | 460 |
| 2011 | 367 | 586 |
| 2012 | 392 | 640 |
| 2013 | 507 | 689 |
| 2014 | 620 | 878 |
| 2015 | 701 | 985 |
| 2016 | 961 | 925 |
| 2017 | 1029 | 902 |
| 2018 | 1148 | 929 |
| 2019 | 1104 | 865 |
| 2020 | 978 | 945 |
| 2021 | 793 | 900 |
| 2022 | 686 | 750 |
| 2023 | 806 | 855 |
| 2024 | 656 | 526 |
| 2025 | 547 | 379 |
| 2026 | 247 | 237 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Half-bridge circuit using monolithic flip-chip GAN power devices6 Oct 2026US 12,756,203 B2Navitas Semiconductor Limited
- Method for operating in burst mode active clamp flyback converters and corresponding active clamp flyback converter apparatus1 Sep 2026US 12,726,129 B2STMicroelectronics S,r.l.
- Impedance monitoring of a modular electrolysis system25 Aug 2026US 12,716,141 B2Ohmium International, Inc.
- Method for testing total dose effect of SiC MOSFET device25 Aug 2026US 12,716,933 B2China Academy of Space Technology
- Switching power converter and control method thereof25 Aug 2026US 12,719,346 B2Richtek Technology Corporation
- Dynamic Boost with Constant Current Mode1 Oct 2026US 2026/0302833 A1Avago Technologies International Sales Pte. Limited
- Isolated power converter27 Aug 2026US 2026/0254359 A1Infineon Technologies Austria AG
- Synchronous rectification control apparatus and method, and flyback switching power supply27 Aug 2026US 2026/0254362 A1Wuxi Chipown Microelectronics Co., Ltd.
- Converter system and control method thereof20 Aug 2026US 2026/0246359 A1Delta Electronics, Inc.
- Power factor correction circuit and control method thereof20 Aug 2026US 2026/0246373 A1Delta Electronics (Thailand) Public Co., Ltd.
Most cited
By later US patents
- FET power converter with reduced switching loss1,520US 4,727,308 AInternational Business Machines Corporation · 1988
- Apparatus and method of optimizing power system efficiency using a power loss model1,185US 8,179,705 B2Power-One, Inc. · 2012
- RF generator system for surgical vessel sealing1,033US 9,039,694 B2Just Right Surgical, LLC · 2015
- Apparatus for controlling electric motor861US 4,788,485 AMitsubishi Denki Kabushiki Kaisha · 1988
- High frequency inverter with power-line-controlled frequency modulation615US 5,404,082 ANorth American Philips Corporation · 1995