G04G 9/0023
Visual time or date indication means: by light valves in general
Official title: {by light valves in general (G04G9/06, G04G9/12 takes precedence; electro-, magneto- or acousto-optic devices in general G02F1/00)}
G04G9/0023 (Visual time or date indication means: by light valves in general) appears on 245 US grants and 107 published applications in this corpus.
Search patents in G04G- Granted patents
- 245
- Published applications
- 107
- Assignees
- 95
- Inventors
- 418
- Latest grant
- 12 Nov 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 24 | 0 |
| 1977 | 19 | 0 |
| 1978 | 27 | 0 |
| 1979 | 10 | 0 |
| 1980 | 18 | 0 |
| 1981 | 12 | 0 |
| 1982 | 3 | 0 |
| 1983 | 5 | 0 |
| 1984 | 9 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 3 | 0 |
| 1998 | 0 | 0 |
| 1999 | 6 | 0 |
| 2000 | 1 | 0 |
| 2001 | 9 | 0 |
| 2002 | 5 | 5 |
| 2003 | 9 | 9 |
| 2004 | 6 | 5 |
| 2005 | 2 | 4 |
| 2006 | 7 | 3 |
| 2007 | 1 | 3 |
| 2008 | 0 | 2 |
| 2009 | 3 | 4 |
| 2010 | 2 | 1 |
| 2011 | 3 | 0 |
| 2012 | 1 | 1 |
| 2013 | 0 | 1 |
| 2014 | 0 | 2 |
| 2015 | 1 | 2 |
| 2016 | 5 | 8 |
| 2017 | 4 | 6 |
| 2018 | 7 | 9 |
| 2019 | 6 | 11 |
| 2020 | 8 | 5 |
| 2021 | 3 | 6 |
| 2022 | 7 | 4 |
| 2023 | 4 | 2 |
| 2024 | 5 | 4 |
| 2025 | 0 | 7 |
| 2026 | 0 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Liquid crystal display device with decorative pattern directly aligned with transparent structured electrodes12 Nov 2024US 12,140,829 B2The Swatch Group Research and Development Ltd
- Modular light assembly for a wearable device17 Sep 2024US 12,093,088 B2Apple Inc.
- Watch with decorative display layer10 Sep 2024US 12,085,738 B2Garmin Switzerland GmbH
- Liquid crystal display device with decorative pattern directly thereon11 Jun 2024US 12,007,633 B2The Swatch Group Research and Development Ltd
- Electronic devices with shape-transforming displays30 Jan 2024US 11,886,246 B2Apple Inc.
- Watch with display lighting device18 Jun 2026US 2026/0169436 A1The Swatch Group Research and Development Ltd
- Method for manufacturing a liquid crystal display device for a timepiece12 Feb 2026US 2026/0044036 A1The Swatch Group Research and Development Ltd
- Liquid crystal device for a timepiece12 Feb 2026US 2026/0044037 A1The Swatch Group Research and Development Ltd
- Electronic device having sensor and method for obtaining information thereof25 Dec 2025US 2025/0390141 A1Samsung Electronics Co., Ltd.
- Device for determining an acoustic event for a watch dial26 Jun 2025US 2025/0208580 A1ETA SA Manufacture Horlogere Suisse
Most cited
By later US patents
- Illumination devices for watches and other instruments257US 6,729,738 B2Luminary Logic Ltd. · 2004
- Method of manufacture of liquid crystal displays243US 4,094,058 AOmron Tateisi Electronics Co. · 1978
- Mirror with information display168US 4,202,607 ASharp Kabushiki Kaisha · 1980
- Electro-optical digital display156US 3,955,190 AKabushiki Kaisha Suwa Seikosha · 1976
- Liquid crystal display151US 6,646,697 B1Citizen Watch Co., Ltd. · 2003