H04N 1/32347
Reversible embedding, i.e. lossless, invertible, erasable, removable or distorsion-free embedding
Official title: {Reversible embedding, i.e. lossless, invertible, erasable, removable or distorsion-free embedding}
H04N1/32347 (Reversible embedding, i.e. lossless, invertible, erasable, removable or distorsion-free embedding) appears on 40 US grants and 41 published applications in this corpus.
Search patents in H04N- Granted patents
- 40
- Published applications
- 41
- Assignees
- 31
- Inventors
- 86
- Latest grant
- 23 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2001 | 1 | 1 |
| 2002 | 0 | 1 |
| 2003 | 1 | 5 |
| 2004 | 1 | 3 |
| 2005 | 3 | 3 |
| 2006 | 3 | 1 |
| 2007 | 4 | 3 |
| 2008 | 0 | 4 |
| 2009 | 4 | 1 |
| 2010 | 2 | 4 |
| 2011 | 4 | 0 |
| 2012 | 3 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 1 | 1 |
| 2016 | 1 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 3 |
| 2021 | 2 | 0 |
| 2022 | 2 | 1 |
| 2023 | 0 | 0 |
| 2024 | 4 | 5 |
| 2025 | 2 | 2 |
| 2026 | 0 | 1 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Gloss effect23 Sep 2025US 12,420,578 B2Xerox Corporation
- IR (infrared) mark destroyed on copy7 Jan 2025US 12,192,428 B2Xerox Corporation
- Image forming apparatus22 Oct 2024US 12,126,778 B2Toshiba Tec Kabushiki Kaisha
- Method and system for hiding reversible data based on prediction errors6 Aug 2024US 12,058,297 B2Jilin University
- Correlation mark destroyed on copy18 Jun 2024US 12,015,753 B1Xerox Corporation
- Error correction with embedded parity2 Apr 2026US 2026/0094691 A1Globus Medical, Inc.
- Ir (infrared) mark destroyed on copy19 Jun 2025US 2025/0203030 A1Xerox Corporation
- Improved gloss effect24 Apr 2025US 2025/0128532 A1Xerox Corporation
- Ir (infrared) mark destroyed on copy18 Jul 2024US 2024/0244151 A1Xerox Corporation
- Image forming apparatus11 Jul 2024US 2024/0236253 A9Toshiba Tec Kabushiki Kaisha
Most cited
By later US patents
- Transforming data files into logical storage units for auxiliary data through reversible watermarks83US 8,059,815 B2Digimarc Corporation · 2011
- Reversible watermarking using expansion, rate control and iterative embedding39US 7,006,662 B2Digimarc Corporation · 2006
- Image processing apparatus, image processing method, and providing medium31US 6,567,531 B1Sony Corporation · 2003
- Coding apparatus and method, decoding apparatus and method, data processing system, and storage medium30US 6,215,421 B1Sony Corporation · 2001
- Image processing methods using reversible watermarking20US 7,187,780 B2Digimarc Corporation · 2007