H04N 2201/3236
Details of authentication information generation
H04N2201/3236 (Details of authentication information generation) appears on 321 US grants and 353 published applications in this corpus.
Search patents in H04N- Granted patents
- 321
- Published applications
- 353
- Assignees
- 154
- Inventors
- 576
- Latest grant
- 30 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 5 | 0 |
| 1998 | 2 | 0 |
| 1999 | 11 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 4 |
| 2002 | 6 | 22 |
| 2003 | 12 | 26 |
| 2004 | 16 | 29 |
| 2005 | 7 | 35 |
| 2006 | 16 | 28 |
| 2007 | 20 | 32 |
| 2008 | 15 | 32 |
| 2009 | 27 | 26 |
| 2010 | 29 | 26 |
| 2011 | 24 | 18 |
| 2012 | 22 | 11 |
| 2013 | 19 | 6 |
| 2014 | 18 | 12 |
| 2015 | 11 | 10 |
| 2016 | 9 | 7 |
| 2017 | 15 | 15 |
| 2018 | 10 | 5 |
| 2019 | 6 | 4 |
| 2020 | 5 | 1 |
| 2021 | 1 | 2 |
| 2022 | 3 | 0 |
| 2023 | 1 | 2 |
| 2024 | 0 | 0 |
| 2025 | 2 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Coding of boundary UV2XYZ index for mesh compression30 Sep 2025US 12,430,805 B2Tencent America LLC
- Method of hashing a video stream17 Jun 2025US 12,335,402 B2STMicroelectronics (Grenoble 2) SAS
- Reproducing hash values from printed documents to validate with a blockchain10 Jan 2023US 11,550,959 B2
- Sparse modulation for robust signaling and synchronization19 Apr 2022US 11,308,571 B2Digimarc Corporation
- System for digitizing and processing resource documents5 Apr 2022US 11,297,197 B2Bank of America Corporation
- Coding of boundary uv2xyz index for mesh compression19 Oct 2023US 2023/0334714 A1Tencent America LLC
- Method of hashing a video stream17 Aug 2023US 2023/0261879 A1STMicroelectronics (Grenoble 2) SAS
- System for digitizing and processing resource documents15 Jul 2021US 2021/0218858 A1Bank of America Corporation
- Reproducing Hash Values From Printed Documents To Validate With A Blockchain18 Feb 2021US 2021/0049305 A1
- Sparse modulation for robust signaling and synchronization16 Jul 2020US 2020/0226709 A1Digimarc Corporation
Most cited
By later US patents
- Watermarking process resilient to collusion attacks512US 5,664,018 A1997
- System for controlling the distribution and use of rendered digital works through watermaking499US 6,233,684 B1Contenaguard Holdings, Inc. · 2001
- Digital authentication with analog documents394US 6,243,480 B12001
- Method for protecting content using watermarking392US 5,949,885 A1999
- Fragile watermarks for detecting tampering in images339US 6,064,764 ASeiko Epson Corporation · 2000