G04G 9/12
Using light valves
Official title: using light valves, e.g. liquid crystals
G04G9/12 (Using light valves) appears on 120 US grants and 66 published applications in this corpus.
Search patents in G04G- Granted patents
- 120
- Published applications
- 66
- Assignees
- 53
- Inventors
- 212
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 16 | 0 |
| 1977 | 6 | 0 |
| 1978 | 8 | 0 |
| 1979 | 1 | 0 |
| 1980 | 8 | 0 |
| 1981 | 9 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 2 | 1 |
| 2004 | 1 | 3 |
| 2005 | 0 | 0 |
| 2006 | 2 | 2 |
| 2007 | 2 | 3 |
| 2008 | 1 | 2 |
| 2009 | 2 | 4 |
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 2 |
| 2013 | 3 | 1 |
| 2014 | 1 | 1 |
| 2015 | 1 | 1 |
| 2016 | 3 | 4 |
| 2017 | 1 | 3 |
| 2018 | 3 | 4 |
| 2019 | 1 | 8 |
| 2020 | 5 | 6 |
| 2021 | 2 | 2 |
| 2022 | 4 | 8 |
| 2023 | 4 | 5 |
| 2024 | 7 | 2 |
| 2025 | 2 | 0 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Display device and watch15 Sep 2026US 12,736,921 B2Casio Computer Co., Ltd.
- User interfaces for indicating time9 Dec 2025US 12,493,267 B2Apple Inc.
- Dynamic user interface with time indicator28 Oct 2025US 12,456,406 B2Apple Inc.
- Electronic apparatus, information processing method, and storage medium storing information processing program31 Dec 2024US 12,181,843 B2Casio Computer Co., Ltd.
- Display control device, electronic watch, display control method, and recording medium24 Sep 2024US 12,099,332 B2Casio Computer Co., Ltd.
- User interfaces for indicating time12 Mar 2026US 2026/0072405 A1Apple Inc.
- Liquid crystal device for a timepiece12 Feb 2026US 2026/0044037 A1The Swatch Group Research and Development Ltd
- Time measurement device22 Jan 2026US 2026/0023348 A1Seiko Watch Kabushiki Kaisha (Trading AS Seiko Watch Corporation)
- Display device and watch27 Jun 2024US 2024/0210895 A1Casio Computer Co., Ltd.
- Display device and watch27 Jun 2024US 2024/0210896 A1Casio Computer Co., Ltd.
Most cited
By later US patents