F02P 3/0554
Using digital techniques
Official title: {using digital techniques (F02P3/0558 takes precedence)}
F02P3/0554 (Using digital techniques) appears on 59 US grants and 44 published applications in this corpus.
Search patents in F02P- Granted patents
- 59
- Published applications
- 44
- Assignees
- 28
- Inventors
- 88
- Latest grant
- 16 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 1 |
| 2003 | 2 | 1 |
| 2004 | 1 | 2 |
| 2005 | 2 | 0 |
| 2006 | 1 | 3 |
| 2007 | 1 | 0 |
| 2008 | 1 | 3 |
| 2009 | 0 | 1 |
| 2010 | 3 | 0 |
| 2011 | 0 | 3 |
| 2012 | 0 | 0 |
| 2013 | 2 | 3 |
| 2014 | 0 | 1 |
| 2015 | 3 | 2 |
| 2016 | 3 | 5 |
| 2017 | 4 | 6 |
| 2018 | 6 | 4 |
| 2019 | 1 | 3 |
| 2020 | 3 | 1 |
| 2021 | 5 | 2 |
| 2022 | 2 | 1 |
| 2023 | 2 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method and apparatus to control an ignition system16 Sep 2025US 12,416,282 B2BorgWarner Luxembourg Automotive Systems SA
- Ignition apparatus for internal combustion engine5 Sep 2023US 11,746,737 B2Denso Corporation
- Ignition drive module, ignition drive circuit and ignition control system16 May 2023US 11,649,796 B2Kunshan Cadic Auto Electric Co Ltd
- Ignition apparatus18 Oct 2022US 11,473,549 B2Mitsubishi Electric Corporation
- Switch control circuit and igniter20 Sep 2022US 11,448,178 B2Rohm Co., Ltd.
- Method and apparatus to control an ignition system9 Nov 2023US 2023/0358200 A1BorgWarner Luxembourg Automotive Systems SA
- Ignition Drive Module, Ignition Drive Circuit and Ignition Control System11 Aug 2022US 2022/0252035 A1Kunshan Cadic Auto Electric Co Ltd
- Ignition apparatus16 Dec 2021US 2021/0388806 A1Mitsubishi Electric Corporation
- Ignition apparatus for internal combustion engine21 Oct 2021US 2021/0324826 A1Denso Corporation
- Switch control circuit and igniter31 Dec 2020US 2020/0408182 A1Rohm Co., Ltd.
Most cited
By later US patents
- Method for controlling ignition energy in an internal combustion engine16US 4,303,977 AToyota Jidosha Kogyo Kabushiki Kaisha · 1981
- Method and device for the open-load diagnosis of a switching stage15US 6,456,156 B1Siemens Aktiengesellschaft · 2002
- Ignition system12US 5,309,888 AMotorola, Inc. · 1994
- Ignition apparatus and an ignition control system of an internal combustion engine and IGBT of an internal combustion engine12US 6,286,491 B1Hitachi Car Engineering Co., Ltd. · 2001
- Ignition device for an internal combustion engine12US 6,539,929 B2Hitachi Car Engineering Co., Ltd. · 2003