H04L 2209/605
Copy protection
H04L2209/605 (Copy protection) appears on 266 US grants and 278 published applications in this corpus.
Search patents in H04L- Granted patents
- 266
- Published applications
- 278
- Assignees
- 137
- Inventors
- 454
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 7 | 0 |
| 2001 | 2 | 3 |
| 2002 | 5 | 17 |
| 2003 | 3 | 9 |
| 2004 | 5 | 8 |
| 2005 | 7 | 18 |
| 2006 | 14 | 26 |
| 2007 | 13 | 26 |
| 2008 | 6 | 33 |
| 2009 | 13 | 13 |
| 2010 | 15 | 12 |
| 2011 | 16 | 9 |
| 2012 | 14 | 12 |
| 2013 | 18 | 14 |
| 2014 | 20 | 14 |
| 2015 | 24 | 14 |
| 2016 | 16 | 9 |
| 2017 | 8 | 3 |
| 2018 | 3 | 6 |
| 2019 | 6 | 4 |
| 2020 | 3 | 8 |
| 2021 | 8 | 9 |
| 2022 | 11 | 2 |
| 2023 | 3 | 5 |
| 2024 | 4 | 2 |
| 2025 | 4 | 1 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Computerized, copy-detection and discrimination apparatus and method25 Aug 2026US 12,719,772 B1
- Performing authentication19 May 2026US 12,632,546 B1Raven White Security, Inc.
- Image processing apparatus performs masking processing to prevent leakage of an image generated by printing process, image processing system, non-transitory computer readable medium storing image processing program, and image processing method4 Nov 2025US 12,461,697 B2FUJIFILM Business Innovation Corp.
- Performing authentication9 Sep 2025US 12,411,949 B1RavenWhite Security, Inc.
- Performing authentication26 Aug 2025US 12,399,987 B1Raven White Security, Inc.
- Evaluating source contribution to generated content19 Mar 2026US 2026/0081786 A1International Business Machines Corporation
- Detecting Copyright Infringement Using Sequence-Based Hashes4 Sep 2025US 2025/0279895 A1Xycorp Ltd.
- Method and system for generating and reading payment file and nontransitory computer-readable storage medium14 Nov 2024US 2024/0378602 A1
- Nft issuing method, computer, and computer-readable medium22 Aug 2024US 2024/0281803 A1Wacom Co., Ltd.
- Image processing apparatus, image processing system, non-transitory computer readable medium storing image processing program, and image processing method28 Sep 2023US 2023/0305770 A1FUJIFILM Business Innovation Corp.
Most cited
By later US patents
- Software distribution system1,072US 4,658,093 A1987
- Steganographic method and device844US 5,613,004 ADice Corporation · 1997
- Method and system for multimedia access control enablement785US 5,319,705 AInternational Business Machines Corporation · 1994
- Steganographic method and device605US 5,687,236 ADice Corporation · 1997
- Method and apparatus for copy protection for various recording media255US 5,513,260 AMacrovision Corporation · 1996