G04C 17/005
Indicating the time optically by electric means: by discs
Official title: {by discs (by drums G04C17/0075)}
G04C17/005 (Indicating the time optically by electric means: by discs) appears on 121 US grants and 104 published applications in this corpus.
Search patents in G04C- Granted patents
- 121
- Published applications
- 104
- Assignees
- 53
- Inventors
- 189
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 6 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 4 | 0 |
| 2001 | 2 | 2 |
| 2002 | 2 | 1 |
| 2003 | 4 | 3 |
| 2004 | 1 | 2 |
| 2005 | 3 | 8 |
| 2006 | 7 | 6 |
| 2007 | 3 | 9 |
| 2008 | 7 | 3 |
| 2009 | 2 | 3 |
| 2010 | 2 | 2 |
| 2011 | 2 | 3 |
| 2012 | 1 | 3 |
| 2013 | 4 | 5 |
| 2014 | 4 | 5 |
| 2015 | 2 | 7 |
| 2016 | 9 | 6 |
| 2017 | 8 | 6 |
| 2018 | 5 | 4 |
| 2019 | 1 | 6 |
| 2020 | 1 | 4 |
| 2021 | 5 | 5 |
| 2022 | 2 | 2 |
| 2023 | 2 | 2 |
| 2024 | 6 | 3 |
| 2025 | 1 | 4 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Electronic device including solar battery and timepiece including solar battery25 Aug 2026US 12,717,281 B2Casio Computer Co., Ltd.
- Watch assembly5 May 2026US 12,619,197 B2Shenzhen CIGA Design Co., Ltd.
- Information display mechanism, timepiece movement, and timepiece14 Apr 2026US 12,602,010 B2Seiko Watch Kabushiki Kaisha
- Device for fastening a disc3 Jun 2025US 12,321,135 B2ETA SA Manufacture Horlogere Suisse
- Notification control device, watch, notification control method, and non-transitory recording medium10 Sep 2024US 12,085,895 B2Casio Computer Co., Ltd.
- Device for displaying a unit of time18 Sep 2025US 2025/0291315 A1Miqona GmbH
- Watch assembly22 May 2025US 2025/0164933 A1Shenzhen CIGA Design Co., Ltd.
- Electronic device and electronic timepiece6 Mar 2025US 2025/0076817 A1Casio Computer Co., Ltd.
- Electronic timepiece6 Mar 2025US 2025/0076818 A1Casio Computer Co., Ltd.
- Notification control device, watch, notification control method, and non-transitory recording medium22 Aug 2024US 2024/0280939 A1Casio Computer Co., Ltd.
Most cited
By later US patents
- Date mechanism for clockwork movement95US 6,081,483 AFrederic Piguet S.A. · 2000
- Electronic timepiece with a date display function64US 7,027,360 B2Seiko Epson Corporation · 2006
- Calendar display apparatus36US 4,972,393 ACitizen Watch Co., Ltd. · 1990
- Small electronic apparatus having function display36US 6,185,158 B2Citizen Watch Co., Ltd. · 2001
- Electromechanical calendar timepiece28US 4,257,113 AEbauches S.A. · 1981