H02P 8/18
Shaping of pulses
Official title: Shaping of pulses, e.g. to reduce torque ripple {(Reducing overshoot H02P8/32 takes precedence)}
H02P8/18 (Shaping of pulses) appears on 89 US grants and 53 published applications in this corpus.
Search patents in H02P- Granted patents
- 89
- Published applications
- 53
- Assignees
- 62
- Inventors
- 148
- Latest grant
- 4 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
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| 1990 | 3 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 5 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 2 | 1 |
| 2005 | 1 | 0 |
| 2006 | 0 | 2 |
| 2007 | 0 | 3 |
| 2008 | 0 | 1 |
| 2009 | 2 | 1 |
| 2010 | 1 | 2 |
| 2011 | 2 | 0 |
| 2012 | 1 | 0 |
| 2013 | 1 | 2 |
| 2014 | 0 | 2 |
| 2015 | 2 | 2 |
| 2016 | 2 | 6 |
| 2017 | 5 | 5 |
| 2018 | 6 | 5 |
| 2019 | 5 | 0 |
| 2020 | 2 | 6 |
| 2021 | 2 | 2 |
| 2022 | 5 | 4 |
| 2023 | 2 | 1 |
| 2024 | 2 | 2 |
| 2025 | 4 | 2 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Control device, substrate processing system, and method of controlling vacuum valve device4 Nov 2025US 12,463,060 B2Tokyo Electron Limited
- Control method for stepping motor of thermal printer2 Sep 2025US 12,407,281 B2Zhuhai Xprinter Electronics Technology Co., Ltd.
- Stepper motor control20 May 2025US 12,308,780 B2Analog Devices International Unlimited Company
- Motor control device11 Mar 2025US 12,249,936 B2Oriental Motor Co., Ltd.
- AC machine controlled via amplitude modulation3 Sep 2024US 12,081,160 B2
- Power supply method for a stepper motor and drive device for operating the latter16 Jul 2026US 2026/0205038 A1Carel Industries S.P.A.
- Systems and methods for jitter minimization by stepper motor control28 May 2026US 2026/0149395 A1Macdonald, Dettwiler and Associates Inc.
- Motor control device, optical apparatus, motor control method, and storage medium20 Mar 2025US 2025/0096706 A1Canon Kabushiki Kaisha
- Stepper Motor Control13 Feb 2025US 2025/0055394 A1Analog Devices International Unlimited Company
- Control method for stepping motor of thermal printer31 Oct 2024US 2024/0364244 A1Zhuhai Xprinter Electronics Technology Co., Ltd.
Most cited
By later US patents
- Motor health monitoring and medical device incorporating same119US 8,523,803 B1Medtronic MiniMed, Inc. · 2013
- Variable step rate precision pumping apparatus66US 5,932,987 AMillipore Corporation · 1999
- Drive system and method for ink jet printer62US 4,739,346 AAdvanced Color Technology, Inc. · 1988
- Stepping motor controller59US 4,510,266 AOce-Nederland B. V. · 1985
- Pulse motor driver56US 5,563,486 ANippondenso Co., Ltd. · 1996