G11B 20/00884
Involving a watermark, i.e. a barely perceptible transformation of the original data
Official title: {involving a watermark, i.e. a barely perceptible transformation of the original data which can nevertheless be recognised by an algorithm}
G11B20/00884 (Involving a watermark, i.e. a barely perceptible transformation of the original data) appears on 758 US grants and 734 published applications in this corpus.
Search patents in G11B- Granted patents
- 758
- Published applications
- 734
- Assignees
- 179
- Inventors
- 836
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
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| 1982 | 1 | 0 |
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| 1999 | 11 | 0 |
| 2000 | 11 | 0 |
| 2001 | 23 | 34 |
| 2002 | 39 | 103 |
| 2003 | 58 | 88 |
| 2004 | 48 | 61 |
| 2005 | 33 | 78 |
| 2006 | 62 | 54 |
| 2007 | 53 | 68 |
| 2008 | 61 | 52 |
| 2009 | 55 | 42 |
| 2010 | 63 | 42 |
| 2011 | 58 | 26 |
| 2012 | 39 | 18 |
| 2013 | 19 | 12 |
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| 2018 | 12 | 5 |
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| 2020 | 4 | 4 |
| 2021 | 5 | 4 |
| 2022 | 5 | 2 |
| 2023 | 2 | 1 |
| 2024 | 2 | 2 |
| 2025 | 0 | 2 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Audio watermark processing method and apparatus, computer device, and storage medium18 Aug 2026US 12,711,971 B2Tencent Technology (Shenzhen) Company Limited
- Method of inserting audio-watermark specialized for music usage and NFT and providing music source11 Aug 2026US 12,705,319 B2
- Detecting electronic system modification28 Apr 2026US 12,613,999 B2International Business Machines Corporation
- Time-aligned additive recording25 Jun 2024US 12,020,717 B2
- Object identification and device communication through image and audio signals18 Jun 2024US 12,014,408 B2Digimarc Corporation
- Method of inserting audio-watermark specialized for music usage and nft and providing music source29 May 2025US 2025/0174239 A1
- Object identification and device communication through image and audio signals22 May 2025US 2025/0166035 A1Digimarc Corporation
- Audio watermark processing method and apparatus, computer device, and storage medium28 Nov 2024US 2024/0395266 A1Tencent Technology (Shenzhen) Company Limited
- Time-aligned additive recording14 Mar 2024US 2024/0087581 A1
- Digital watermarking apparatus, digital watermark extraction apparatus, digital watermarking method, digital watermark extraction method and program9 Feb 2023US 2023/0041340 A1Nippon Telegraph and Telephone Corporation
Most cited
By later US patents
- Methods for surveying dissemination of proprietary empirical data1,132US 5,862,260 ADigimarc Corporation · 1999
- Computer system linked by using information in data objects1,131US 6,122,403 ADigimarc Corporation · 2000
- Steganographic techniques for securely delivering electronic digital rights management control information over insecure communication channels1,021US 5,943,422 AIntertrust Technologies Corporation · 1999
- Linking of computers based on optical sensing of digital data942US 6,311,214 B1Digimarc Corporation · 2001
- Watermark embedder and reader942US 6,614,914 B1Digimarc Corporation · 2003