H04N 1/3232
Robust embedding or watermarking
Official title: {Robust embedding or watermarking}
H04N1/3232 (Robust embedding or watermarking) appears on 263 US grants and 272 published applications in this corpus.
Search patents in H04N- Granted patents
- 263
- Published applications
- 272
- Assignees
- 111
- Inventors
- 407
- Latest grant
- 2 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 1 |
| 2002 | 3 | 10 |
| 2003 | 4 | 12 |
| 2004 | 6 | 7 |
| 2005 | 4 | 14 |
| 2006 | 18 | 19 |
| 2007 | 8 | 17 |
| 2008 | 12 | 10 |
| 2009 | 12 | 11 |
| 2010 | 8 | 13 |
| 2011 | 10 | 11 |
| 2012 | 20 | 11 |
| 2013 | 11 | 7 |
| 2014 | 9 | 6 |
| 2015 | 16 | 31 |
| 2016 | 18 | 18 |
| 2017 | 16 | 16 |
| 2018 | 10 | 5 |
| 2019 | 14 | 6 |
| 2020 | 9 | 10 |
| 2021 | 11 | 6 |
| 2022 | 11 | 14 |
| 2023 | 7 | 7 |
| 2024 | 9 | 7 |
| 2025 | 6 | 1 |
| 2026 | 0 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Display case with transparent display for watermarking2 Sep 2025US 12,407,787 B2International Business Machines Corporation
- Secure content augmentation systems and methods12 Aug 2025US 12,386,988 B2Intertrust Technologies Corporation
- PDF embedder for artwork elements with PDF files15 Jul 2025US 12,363,240 B2Digimarc Corporation
- Determine whether OCR is to be performed for optimizing optical character recognition process1 Jul 2025US 12,348,691 B2FUJIFILM Business Innovation Corp.
- Smoothing edges when embedding PDF artwork elements1 Jul 2025US 12,348,693 B1Digimarc Corporation
- Secure content augmentation systems and methods5 Feb 2026US 2026/0037652 A1Intertrust Technologies Corporation
- Copy Detection Using Line Art Features and Encoded Signals1 Jan 2026US 2026/0006142 A1
- Device and method for generating watermarked media17 Jul 2025US 2025/0232396 A1Ictk Co., Ltd.
- Pdf embedder for artwork elements with pdf files26 Dec 2024US 2024/0430376 A1Digimarc Corporation
- Method, apparatus, device and storage medium for watermark embedding and extraction28 Nov 2024US 2024/0394827 A1Beijing Volcano Engine Technology Co., Ltd.
Most cited
By later US patents
- Method and system for digital image signatures682US 5,721,788 ACorbis Corporation · 1998
- Secure spread spectrum watermarking for multimedia data664US 5,930,369 ANEC Research Institute, Inc. · 1999
- Methods and systems for encoding and protecting data using digital signature and watermarking techniques486US 6,785,815 B1Intertrust Technologies Corporation · 2004
- Color correct digital watermarking of images472US 5,530,759 AInternational Business Machines Corporation · 1996
- Method for encoding auxiliary data within a source signal283US 5,809,160 ADigimarc Corporation · 1998