H04N 2005/91335
The copy protection signal being a watermark
Official title: {the copy protection signal being a watermark}
H04N2005/91335 (The copy protection signal being a watermark) appears on 501 US grants and 434 published applications in this corpus.
Search patents in H04N- Granted patents
- 501
- Published applications
- 434
- Assignees
- 143
- Inventors
- 549
- Latest grant
- 13 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 9 | 0 |
| 1999 | 6 | 0 |
| 2000 | 10 | 0 |
| 2001 | 17 | 17 |
| 2002 | 29 | 35 |
| 2003 | 40 | 42 |
| 2004 | 36 | 31 |
| 2005 | 23 | 46 |
| 2006 | 39 | 41 |
| 2007 | 33 | 28 |
| 2008 | 27 | 27 |
| 2009 | 26 | 17 |
| 2010 | 30 | 26 |
| 2011 | 35 | 20 |
| 2012 | 23 | 10 |
| 2013 | 14 | 16 |
| 2014 | 21 | 10 |
| 2015 | 8 | 11 |
| 2016 | 11 | 10 |
| 2017 | 5 | 6 |
| 2018 | 15 | 12 |
| 2019 | 7 | 7 |
| 2020 | 9 | 6 |
| 2021 | 6 | 7 |
| 2022 | 3 | 3 |
| 2023 | 4 | 4 |
| 2024 | 3 | 1 |
| 2025 | 3 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Control method, content management system, recording medium, and data structure13 May 2025US 12,301,957 B2Panasonic Intellectual Property Corporation of America
- Multimedia content protection4 Mar 2025US 12,244,909 B2TELECOM ITALIA S p.A.
- Digital media authentication4 Feb 2025US 12,216,708 B2Shmuel Ur Innovation LTD.
- Method and apparatus for secure transfer and playback of multimedia content5 Nov 2024US 12,137,309 B2Adeia Media Solutions Inc.
- Embedding data in video without visible impairments22 Oct 2024US 12,125,120 B2Inscape Data, Inc.
- Embedding data in video without visible impairments23 Jan 2025US 2025/0029199 A1Inscape Data, Inc.
- Secure transfer of previously broadcasted content31 Oct 2024US 2024/0364851 A1TiVo Solutions Inc.
- Digital media authentication2 Nov 2023US 2023/0350944 A1Shmuel Ur Innovation LTD.
- Method and apparatus for secure transfer and playback of multimedia content19 Oct 2023US 2023/0336700 A1TiVo Solutions Inc.
- Method and apparatus for displaying branded video tags14 Sep 2023US 2023/0291881 A1TiVo Solutions Inc.
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
- Watermark enabled video objects735US 6,411,725 B1Digimarc Corporation · 2002
- Network linking method using steganographically embedded data objects665US 5,841,978 ADigimarc Corporation · 1998