G04C 3/146
Incorporating two or more stepping motors or rotors
Official title: {incorporating two or more stepping motors or rotors}
G04C3/146 (Incorporating two or more stepping motors or rotors) appears on 211 US grants and 192 published applications in this corpus.
Search patents in G04C- Granted patents
- 211
- Published applications
- 192
- Assignees
- 49
- Inventors
- 285
- Latest grant
- 24 Feb 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 5 | 0 |
| 1985 | 4 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 3 | 3 |
| 2003 | 4 | 1 |
| 2004 | 1 | 12 |
| 2005 | 3 | 3 |
| 2006 | 7 | 6 |
| 2007 | 5 | 8 |
| 2008 | 3 | 4 |
| 2009 | 3 | 5 |
| 2010 | 3 | 2 |
| 2011 | 2 | 8 |
| 2012 | 4 | 4 |
| 2013 | 3 | 6 |
| 2014 | 7 | 6 |
| 2015 | 4 | 7 |
| 2016 | 4 | 5 |
| 2017 | 8 | 17 |
| 2018 | 12 | 18 |
| 2019 | 11 | 21 |
| 2020 | 9 | 22 |
| 2021 | 12 | 16 |
| 2022 | 16 | 7 |
| 2023 | 8 | 3 |
| 2024 | 13 | 4 |
| 2025 | 7 | 3 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Stepping motor control device, movement, watch, and stepping motor control method24 Feb 2026US 12,562,661 B2Seiko Watch Kabushiki Kaisha
- Electronic watch and electronic watch control method14 Oct 2025US 12,443,147 B2Seiko Epson Corporation
- Watch30 Sep 2025US 12,429,828 B2Seiko Watch Kabushiki Kaisha
- Electronic watch25 Mar 2025US 12,259,691 B2Seiko Epson Corporation
- Motor group for watches11 Mar 2025US 12,248,280 B2ETA SA Manufacture Horlogere Suisse
- Electronic timepiece, hand position detection method, and storage medium4 Sep 2025US 2025/0278061 A1Casio Computer Co., Ltd.
- Electronic timepiece17 Apr 2025US 2025/0123597 A1Casio Computer Co., Ltd.
- Electronic timepiece, indication control method, and storage medium6 Mar 2025US 2025/0076822 A1Casio Computer Co., Ltd.
- Electronic timepiece26 Dec 2024US 2024/0427294 A1Casio Computer Co., Ltd.
- Electronic timepiece, hand position detection method and storage medium19 Sep 2024US 2024/0310789 A1Casio Computer Co., Ltd.
Most cited
By later US patents
- Wearable electronic device with multiple display functionality86US 7,113,450 B2Timex Group B. V. · 2006
- Chronograph watch with date indicator81US 5,473,580 AETA SA Fabrique d'Ebauches · 1995
- Weather forecasting watch75US 5,500,835 AAsulab S. A. · 1996
- Electronic timepiece with a chronograph system64US 4,623,261 ACitizen Watch Co., Ltd. · 1986
- Time piece59US 6,751,164 B1Citizen Watch Co., Ltd. · 2004