H03M 1/822
Using pulse width modulation
Official title: {using pulse width modulation}
H03M1/822 (Using pulse width modulation) appears on 237 US grants and 141 published applications in this corpus.
Search patents in H03M- Granted patents
- 237
- Published applications
- 141
- Assignees
- 153
- Inventors
- 403
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 5 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 4 | 0 |
| 1992 | 5 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 5 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 9 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 15 | 3 |
| 2002 | 7 | 5 |
| 2003 | 11 | 5 |
| 2004 | 4 | 10 |
| 2005 | 6 | 9 |
| 2006 | 9 | 4 |
| 2007 | 6 | 5 |
| 2008 | 7 | 4 |
| 2009 | 3 | 5 |
| 2010 | 9 | 8 |
| 2011 | 7 | 7 |
| 2012 | 7 | 4 |
| 2013 | 4 | 4 |
| 2014 | 4 | 3 |
| 2015 | 5 | 7 |
| 2016 | 6 | 4 |
| 2017 | 5 | 3 |
| 2018 | 5 | 4 |
| 2019 | 5 | 7 |
| 2020 | 7 | 7 |
| 2021 | 9 | 4 |
| 2022 | 5 | 3 |
| 2023 | 4 | 9 |
| 2024 | 8 | 9 |
| 2025 | 6 | 5 |
| 2026 | 7 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Switching converter controller with adaptive pulse-frequency modulation timer circuit16 Jun 2026US 12,658,903 B2Texas Instruments Incorporated
- Systems and methods for data signal multiplexing26 May 2026US 12,640,751 B2Huawei Technologies Co., Ltd.
- Top-down relative DAC calibration7 Apr 2026US 12,597,944 B2International Business Machines Corporation
- Digital-to-time converter mismatch compensation17 Mar 2026US 12,580,582 B2Texas Instruments Incorporated
- Finite impulse response input digital-to-analog converter10 Mar 2026US 12,574,045 B2Cirrus Logic, Inc.
- Analog to pulse width modulation (pwm) circuit3 Sep 2026US 2026/0261267 A1Webasto Charging Systems, Inc.
- Integrated circuit configured to generate a pulse width modulated signal6 Aug 2026US 2026/0230081 A1STMicroelectronics International N. V.
- Digital-to-time converter mismatch compensation16 Jul 2026US 2026/0205137 A1Texas Instruments Incorporated
- Bus control for dc/dc converters25 Sep 2025US 2025/0300670 A1STMicroelectronics International N. V.
- Window-Integrated Charge-Mode Digital-to-Analog Converter for Arbitrary Waveform Generator4 Sep 2025US 2025/0279788 A1Fermi Research Alliance, LLC
Most cited
By later US patents
- Analogue and digital convertors using pulse edge modulators with non-linearity error correction212US 5,548,286 AB & W Loudspeakers Limited · 1996
- Digital-to-analog converter having high resolution and high bandwidth151US 6,052,076 AWestern Digital Corporation · 2000
- Analogue and digital convertors146US 6,232,899 B1Cirrus Logic, Inc. · 2001
- Timer circuit with programmable decode circuitry91US 6,504,891 B1Micron Technology, Inc. · 2003
- Digital to analog converter84US 7,038,608 B1Valeo Raytheon Systems, Inc. · 2006