H02M 7/529
Using digital control
Official title: using digital control
H02M7/529 (Using digital control) appears on 65 US grants and 15 published applications in this corpus.
Search patents in H02M- Granted patents
- 65
- Published applications
- 15
- Assignees
- 37
- Inventors
- 104
- Latest grant
- 4 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 8 | 0 |
| 1985 | 4 | 0 |
| 1986 | 6 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 2 | 1 |
| 2004 | 0 | 0 |
| 2005 | 4 | 1 |
| 2006 | 0 | 1 |
| 2007 | 3 | 2 |
| 2008 | 2 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 1 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 2 | 1 |
| 2023 | 1 | 0 |
| 2024 | 1 | 2 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Inverter systems featuring hybrid TCM/CCM modulation scheme4 Nov 2025US 12,463,557 B2Infineon Technologies Austria AG
- Electronic device with frequency dithering11 Jun 2024US 12,009,760 B2Apple Inc.
- Electronic device with frequency dithering22 Aug 2023US 11,736,032 B1Apple Inc.
- Inrush current suppression device and motor drive device16 Aug 2022US 11,418,126 B2Panasonic Intellectual Property Management Co., Ltd.
- Control system and power supply unit21 Jun 2022US 11,368,094 B2OMRON Corporation
- Inverter systems featuring hybrid tcm/ccm modulation scheme10 Apr 2025US 2025/0119068 A1Infineon Technologies Austria AG
- Constant-power pure sine wave output circuit, device and power supply system22 Aug 2024US 2024/0283373 A1Shenzhen Billda Technology Co., Ltd
- Electronic Device with Frequency Dithering29 Feb 2024US 2024/0072684 A1Apple Inc.
- Inrush current suppression device and motor drive device10 Feb 2022US 2022/0045620 A1Panasonic Intellectual Property Management Co., Ltd.
- Control system and power supply unit28 Jan 2021US 2021/0028707 A1OMRON Corporation
Most cited
By later US patents
- Voltage converter control apparatus, and method1,440US 7,199,537 B2Toyota Jidosha Kabushiki Kaisha · 2007
- Digital apparatus for synthesizing pulse width modulated waveforms and digital pulse width modulated control system73US 4,099,109 AWestinghouse Electric Corp. · 1978
- Power inverter for driving alternating current loads60US 6,628,093 B22003
- PWM control apparatus for interphase reactor multiplex inverter43US 4,802,079 AMitsubishi Denki Kabushiki Kaisha · 1989
- Voltage source inverter and variable frequency, constant voltage AC motor drive embodying the same38US 4,697,131 AWestinghouse Electric Corp. · 1987