G04G 9/04
By controlling light sources
Official title: by controlling light sources, e.g. electroluminescent diodes {(G04G9/0058 takes precedence)}
G04G9/04 (By controlling light sources) appears on 75 US grants and 66 published applications in this corpus.
Search patents in G04G- Granted patents
- 75
- Published applications
- 66
- Assignees
- 47
- Inventors
- 145
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 5 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 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 | 1 |
| 2004 | 2 | 1 |
| 2005 | 0 | 2 |
| 2006 | 0 | 2 |
| 2007 | 2 | 1 |
| 2008 | 0 | 2 |
| 2009 | 0 | 0 |
| 2010 | 2 | 0 |
| 2011 | 1 | 5 |
| 2012 | 2 | 1 |
| 2013 | 2 | 2 |
| 2014 | 2 | 1 |
| 2015 | 0 | 4 |
| 2016 | 1 | 6 |
| 2017 | 3 | 3 |
| 2018 | 6 | 1 |
| 2019 | 2 | 7 |
| 2020 | 7 | 6 |
| 2021 | 4 | 4 |
| 2022 | 4 | 5 |
| 2023 | 4 | 4 |
| 2024 | 3 | 1 |
| 2025 | 2 | 4 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Visual timer19 May 2026US 12,632,012 B2
- Display device and electronic watch including the same11 Mar 2025US 12,248,282 B2Samsung Display Co., Ltd.
- Electronic devices having displays with expanded edges18 Feb 2025US 12,228,973 B2Apple Inc.
- Visual timer15 Oct 2024US 12,117,778 B2
- Illuminated time-passage indicator10 Sep 2024US 12,085,898 B2
- Pixel driving circuit, and display panel and control method thereof2 Jul 2026US 2026/0188214 A1Boe Technology Group Co., Ltd.
- Clock timing method and device based on the fibonacci sequence25 Jun 2026US 2026/0179578 A1Shenzhen Xingtong Technology Co, Ltd.
- Wearable electronic device and associated user interface8 Jan 2026US 2026/0010124 A1Companion Augment Solution AB
- Color clock with numbers represented by colors18 Dec 2025US 2025/0383631 A1
- Electronic Devices Having Displays With Expanded Edges15 May 2025US 2025/0155931 A1Apple Inc.
Most cited
By later US patents
- Multi-functional time indicating device with a multi-colored fiber optic display109US 6,690,623 B12004
- Displaying notifications on a watchface57US 9,377,762 B2Google Technology Holdings LLC · 2016
- Analog display timepiece56US 4,702,615 A1987
- Timepiece49US 4,130,987 A1978
- Electronically controlled watch43US 8,588,032 B22013