H02P 8/12
Control or stabilisation of current
H02P8/12 (Control or stabilisation of current) appears on 277 US grants and 198 published applications in this corpus.
Search patents in H02P- Granted patents
- 277
- Published applications
- 198
- Assignees
- 158
- Inventors
- 446
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 13 | 0 |
| 1985 | 7 | 0 |
| 1986 | 3 | 0 |
| 1987 | 8 | 0 |
| 1988 | 3 | 0 |
| 1989 | 7 | 0 |
| 1990 | 4 | 0 |
| 1991 | 5 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 5 | 0 |
| 1999 | 5 | 0 |
| 2000 | 6 | 0 |
| 2001 | 0 | 0 |
| 2002 | 3 | 1 |
| 2003 | 1 | 3 |
| 2004 | 1 | 2 |
| 2005 | 5 | 7 |
| 2006 | 5 | 6 |
| 2007 | 4 | 2 |
| 2008 | 1 | 4 |
| 2009 | 3 | 4 |
| 2010 | 2 | 5 |
| 2011 | 4 | 12 |
| 2012 | 3 | 3 |
| 2013 | 7 | 8 |
| 2014 | 6 | 5 |
| 2015 | 8 | 13 |
| 2016 | 10 | 9 |
| 2017 | 15 | 13 |
| 2018 | 10 | 14 |
| 2019 | 18 | 23 |
| 2020 | 14 | 16 |
| 2021 | 11 | 12 |
| 2022 | 16 | 5 |
| 2023 | 6 | 12 |
| 2024 | 14 | 6 |
| 2025 | 5 | 10 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Methods and apparatus to sense changes in a load of a stepper motor16 Jun 2026US 12,658,830 B2Texas Instruments Incorporated
- Electronic watch and electronic watch control method14 Oct 2025US 12,443,147 B2Seiko Epson Corporation
- Stepping motor drive device8 Jul 2025US 12,355,375 B2Oriental Motor Co., Ltd.
- Door motion controller with accelerometer compensation6 May 2025US 12,291,915 B2Magna Closures Inc.
- Electric motor control system25 Mar 2025US 12,261,565 B2Analog Devices International Unlimited Company
- Motor control system24 Sep 2026US 2026/0291414 A1Kabushiki Kaisha Toshiba
- Power supply method for a stepper motor and drive device for operating the latter16 Jul 2026US 2026/0205038 A1Carel Industries S.P.A.
- Circuit Device And Motor Control System11 Jun 2026US 2026/0163507 A1Seiko Epson Corporation
- Dynamic motor coil control method20 Nov 2025US 2025/0357877 A1Melexis Technologies SA
- Integrated circuit device and motor driver24 Jul 2025US 2025/0239952 A1Seiko Epson Corporation
Most cited
By later US patents
- Two-state, bilateral, single-pole, double-throw, half-bridge power-switching apparatus and power supply means for such electronic power switching apparatus67US 4,849,651 AHughes Aircraft Company · 1989
- Variable step rate precision pumping apparatus66US 5,932,987 AMillipore Corporation · 1999
- Multiphase soft switched DC/DC converter and active control technique for fuel cell ripple current elimination63US 7,518,886 B1Virginia Tech Intellectual Properties, Inc. · 2009
- Stepper motor control circuit57US 4,587,473 ALucas Industries public limited company · 1986
- Stepping motor control device57US 4,751,445 ACanon Kabushiki Kaisha · 1988