H04N 9/3179
Video signal processing therefor
Official title: {Video signal processing therefor}
H04N9/3179 (Video signal processing therefor) appears on 3,997 US grants and 4,963 published applications in this corpus.
Search patents in H04N- Granted patents
- 3,997
- Published applications
- 4,963
- Assignees
- 976
- Inventors
- 6,423
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 5 | 0 |
| 1993 | 4 | 0 |
| 1994 | 10 | 0 |
| 1995 | 6 | 0 |
| 1996 | 12 | 0 |
| 1997 | 12 | 0 |
| 1998 | 19 | 0 |
| 1999 | 9 | 0 |
| 2000 | 12 | 0 |
| 2001 | 22 | 10 |
| 2002 | 28 | 44 |
| 2003 | 29 | 57 |
| 2004 | 41 | 69 |
| 2005 | 41 | 112 |
| 2006 | 75 | 110 |
| 2007 | 68 | 107 |
| 2008 | 59 | 103 |
| 2009 | 53 | 151 |
| 2010 | 66 | 114 |
| 2011 | 85 | 158 |
| 2012 | 116 | 148 |
| 2013 | 119 | 178 |
| 2014 | 152 | 195 |
| 2015 | 194 | 254 |
| 2016 | 209 | 320 |
| 2017 | 273 | 350 |
| 2018 | 291 | 371 |
| 2019 | 350 | 343 |
| 2020 | 330 | 348 |
| 2021 | 294 | 319 |
| 2022 | 303 | 303 |
| 2023 | 232 | 243 |
| 2024 | 199 | 216 |
| 2025 | 158 | 192 |
| 2026 | 119 | 148 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Multi-projector system and method of calibrating multi-projector system6 Oct 2026US 12,756,799 B2Coretronic Corporation
- Image processing apparatus, image processing method, and image processing program6 Oct 2026US 12,756,800 B2FUJIFILM Corporation
- Electronic device for displaying media content and user interface in plurality of areas and method thereof6 Oct 2026US 12,756,803 B2Samsung Electronics Co., Ltd.
- Electronic device and operating method of the electronic device6 Oct 2026US 12,756,804 B2Samsung Electronics Co., Ltd.
- Control method for projector for maintaining constant display size6 Oct 2026US 12,756,805 B2Seiko Epson Corporation
- Display method, display device, electronic equipment, storage medium and program product8 Oct 2026US 2026/0313077 A1Xiaomi EV Technology Co., Ltd.
- Image correction method8 Oct 2026US 2026/0313078 A1Seiko Epson Corporation
- Pixel shifting methods in projection systems8 Oct 2026US 2026/0313079 A1Dolby Laboratories Licensing Corporation
- Projection method, projection apparatus, and non-transitory computer-readable storage medium storing program8 Oct 2026US 2026/0313080 A1Seiko Epson Corporation
- Control method for projection apparatus, projection system, and non-transitory computer-readable storage medium storing program8 Oct 2026US 2026/0313081 A1Seiko Epson Corporation
Most cited
By later US patents
- Headwear with computer and optical element for use therewith and systems utilizing same333US 10,509,466 B1Snap Inc. · 2019
- Color phase control for projection display using spatial light modulator306US 5,365,283 ATexas Instruments Incorporated · 1994
- Apparatus and method for performing image transforms in a digital display system302US 6,456,340 B1Pixonics, LLC · 2002
- Apparatus and method for image projection298US 5,506,597 ATexas Instruments Incorporated · 1996
- System and method for using temporal gamma and reverse super-resolution to process images for use in digital display systems292US 6,340,994 B12002