H02P 8/06
In selected direction of rotation
Official title: in selected direction of rotation
H02P8/06 (In selected direction of rotation) appears on 10 US grants and 7 published applications in this corpus.
Search patents in H02P- Granted patents
- 10
- Published applications
- 7
- Assignees
- 10
- Inventors
- 16
- Latest grant
- 8 Aug 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 2 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Control apparatus and method of controlling the same8 Aug 2023US 11,722,078 B2Canon Kabushiki Kaisha
- Timepiece and motor control method25 May 2021US 11,016,446 B2Seiko Instruments Inc.
- Motor controller19 Mar 2019US 10,234,030 B2Denso Corporation
- Stepping motor control circuit, semiconductor device, and analog electronic timepiece8 Aug 2017US 9,729,095 B2Sieko Epson Corporation
- Motor driving apparatus24 Jan 2017US 9,553,535 B2Canon Kabushiki Kaisha
- Control apparatus and method of controlling the same28 Oct 2021US 2021/0336570 A1Canon Kabushiki Kaisha
- Timepiece and motor control method6 Aug 2020US 2020/0249630 A1Seiko Instruments Inc.
- Motor controller31 Aug 2017US 2017/0248229 A1Denso Corporation
- Stepping motor control circuit, semiconductor device, and analog electronic timepiece4 Feb 2016US 2016/0033939 A1Seiko Epson Corporation
- A motor driving apparatus12 Nov 2015US 2015/0326157 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Method and circuit for operating a stepping motor28US 5,032,781 AVDO Adolf Schindling AG · 1991
- Step motor driving apparatus12US 6,388,414 B1Nidec Copal Corporation · 2002
- Apparatus and method for estimation of initial phase of a brushless motor4US 7,376,525 B2Newport Corporation · 2008
- Motor driving apparatus4US 9,553,535 B2Canon Kabushiki Kaisha · 2017
- Motor controller3US 10,234,030 B2Denso Corporation · 2019