H04N 1/32331
Fragile embedding or watermarking
Official title: {Fragile embedding or watermarking}
H04N1/32331 (Fragile embedding or watermarking) appears on 51 US grants and 54 published applications in this corpus.
Search patents in H04N- Granted patents
- 51
- Published applications
- 54
- Assignees
- 24
- Inventors
- 106
- Latest grant
- 4 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2001 | 0 | 1 |
| 2002 | 0 | 7 |
| 2003 | 2 | 2 |
| 2004 | 5 | 2 |
| 2005 | 2 | 3 |
| 2006 | 3 | 4 |
| 2007 | 6 | 6 |
| 2008 | 3 | 2 |
| 2009 | 2 | 0 |
| 2010 | 1 | 3 |
| 2011 | 3 | 1 |
| 2012 | 5 | 1 |
| 2013 | 0 | 1 |
| 2014 | 1 | 3 |
| 2015 | 3 | 2 |
| 2016 | 0 | 2 |
| 2017 | 2 | 2 |
| 2018 | 2 | 2 |
| 2019 | 1 | 1 |
| 2020 | 2 | 3 |
| 2021 | 2 | 1 |
| 2022 | 3 | 2 |
| 2023 | 0 | 0 |
| 2024 | 2 | 2 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Method and device for securing an object and method for authenticating an object4 Nov 2025US 12,463,824 B2
- Incorporation of source-identifying information in scanned documents7 May 2024US 11,979,537 B1Xerox Corporation
- Semi-transparent embedded watermarks23 Apr 2024US 11,968,344 B2Google Inc.
- Method and apparatus for watermark embedding and extracting14 Jun 2022US 11,361,397 B2Alibaba Group Holding Limited
- Method and system for automatically verifying the authenticity of documents14 Jun 2022US 11,363,164 B2Sotec Consulting Sl
- Method of generating a secured colour image, and method of detecting tampering6 Aug 2026US 2026/0228850 A1Sicpa Holding SA
- Secure check processing system and related method1 Aug 2024US 2024/0257124 A1iWallet Corporation
- Method and device for securing an object and method for authenticating an object18 Apr 2024US 2024/0129131 A1Advanced Track & Trace
- Semi-Transparent Embedded Watermarks4 Aug 2022US 2022/0247884 A1Google Inc.
- Marking technique identification20 Jan 2022US 2022/0021784 A1Hewlett-Packard Development Company, L. P.
Most cited
By later US patents
- Digital watermarking employing both frail and robust watermarks243US 6,574,350 B1Digimarc Corporation · 2003
- Authenticating objects using embedded data199US 6,788,800 B1Digimarc Corporation · 2004
- Authentication watermarks for printed objects and related applications175US 6,823,075 B2Digimarc Corporation · 2004
- System reactions to the detection of embedded watermarks in a digital host content172US 7,369,677 B2Verance Corporation · 2008
- Method and apparatus for detecting processing stages applied to a signal152US 7,046,808 B1Verance Corporation · 2006