H04N 9/75
Chroma key
H04N9/75 (Chroma key) appears on 381 US grants and 233 published applications in this corpus.
Search patents in H04N- Granted patents
- 381
- Published applications
- 233
- Assignees
- 201
- Inventors
- 558
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 5 | 0 |
| 1981 | 3 | 0 |
| 1982 | 4 | 0 |
| 1983 | 10 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 8 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 4 | 0 |
| 1990 | 5 | 0 |
| 1991 | 2 | 0 |
| 1992 | 6 | 0 |
| 1993 | 6 | 0 |
| 1994 | 9 | 0 |
| 1995 | 10 | 0 |
| 1996 | 13 | 0 |
| 1997 | 10 | 0 |
| 1998 | 12 | 0 |
| 1999 | 13 | 0 |
| 2000 | 15 | 0 |
| 2001 | 20 | 7 |
| 2002 | 18 | 10 |
| 2003 | 8 | 11 |
| 2004 | 8 | 5 |
| 2005 | 7 | 8 |
| 2006 | 10 | 8 |
| 2007 | 3 | 7 |
| 2008 | 6 | 13 |
| 2009 | 4 | 9 |
| 2010 | 7 | 12 |
| 2011 | 7 | 7 |
| 2012 | 7 | 10 |
| 2013 | 12 | 3 |
| 2014 | 11 | 4 |
| 2015 | 7 | 8 |
| 2016 | 5 | 8 |
| 2017 | 8 | 11 |
| 2018 | 4 | 10 |
| 2019 | 12 | 13 |
| 2020 | 11 | 11 |
| 2021 | 11 | 16 |
| 2022 | 9 | 11 |
| 2023 | 11 | 11 |
| 2024 | 9 | 8 |
| 2025 | 7 | 8 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Embedding frame masks in a video stream8 Sep 2026US 12,732,629 B2Microsoft Technology Licensing, LLC
- Video workout programs18 Aug 2026US 12,708,830 B2
- Video loops and management thereof14 Jul 2026US 12,684,178 B2Mediabook, Inc.
- Artificial-intelligence-based image processing method and apparatus, electronic device, computer-readable storage medium, and computer program product27 Jan 2026US 12,536,618 B2Tencent Technology (Shenzhen) Company Limited
- Interactive method and apparatus based on virtual scene, device, and medium30 Dec 2025US 12,511,827 B2Tencent Technology (Shenzhen) Company Limited
- Systems and methods for real-time multi-user video streaming from user devices for on-demand interactive metaverse sessions4 Jun 2026US 2026/0154918 A1Vitaverse Inc.
- Chroma key compositing and lighting adjustment system21 May 2026US 2026/0143081 A1Mediabook, Inc.
- Artificial-intelligence-based image processing method and apparatus, electronic device, and computer-readable storage medium14 May 2026US 2026/0134514 A1Tencent Technology (Shenzhen) Company Limited
- Chroma Key Composting Including Lighting Balancing29 Jan 2026US 2026/0032214 A1Mediabook, Inc.
- Systems and methods for augmented reality video generation6 Nov 2025US 2025/0342667 A1Adeia Guides Inc.
Most cited
By later US patents
- Image editing system including masking capability305US 5,469,536 AImageWare Software, Inc. · 1995
- System and method for a digital television electronic program guide226US 6,763,522 B1Sony Corporation · 2004
- Image editing system194US 5,577,179 AImageWare Software, Inc. · 1996
- Video signal processor for detecting flesh tones in am image175US 5,488,429 AMitsubishi Denki Kabushiki Kaisha · 1996
- Keying system and composite image producing method136US 6,034,740 AKabushiki Kaisha Photron · 2000