G07D 7/2033
Matching unique patterns, i.e. patterns that are unique to each individual paper
G07D7/2033 (Matching unique patterns, i.e. patterns that are unique to each individual paper) appears on 245 US grants and 271 published applications in this corpus.
Search patents in G07D- Granted patents
- 245
- Published applications
- 271
- Assignees
- 127
- Inventors
- 430
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 5 |
| 2003 | 4 | 4 |
| 2004 | 2 | 3 |
| 2005 | 0 | 6 |
| 2006 | 7 | 5 |
| 2007 | 3 | 12 |
| 2008 | 6 | 16 |
| 2009 | 4 | 5 |
| 2010 | 8 | 17 |
| 2011 | 11 | 12 |
| 2012 | 10 | 7 |
| 2013 | 15 | 14 |
| 2014 | 19 | 12 |
| 2015 | 14 | 21 |
| 2016 | 16 | 16 |
| 2017 | 15 | 14 |
| 2018 | 18 | 16 |
| 2019 | 18 | 13 |
| 2020 | 11 | 13 |
| 2021 | 10 | 13 |
| 2022 | 9 | 12 |
| 2023 | 10 | 13 |
| 2024 | 11 | 12 |
| 2025 | 13 | 7 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Generating a unique code from orientation information16 Jun 2026US 12,657,415 B2DUST Identity, Inc.
- Authentication of dendritic structures14 Apr 2026US 12,602,944 B2Arizona Board of Regents on behalf of Arizona State University
- Generating a unique code from orientation information25 Nov 2025US 12,481,850 B2DUST Identity, Inc.
- Means for using microstructure of materials surface as a unique identifier7 Oct 2025US 12,437,599 B2Alpvision S.A.
- Method for recognizing surfaces30 Sep 2025US 12,430,915 B24Art Holding AG
- Identification document and methods for authentication and manufacturing of such document2 Apr 2026US 2026/0095535 A1Idemia Identity & Security USA LLC
- Securing composite objects using digital fingerprints8 Jan 2026US 2026/0011202 A1Alitheon, Inc.
- Means for using microstructure of materials surface as a unique identifier8 Jan 2026US 2026/0011203 A1Alpvision S.A.
- Offline method for clearly marking and identifying physical objects24 Jul 2025US 2025/0239122 A1
- Applying and Using Unique Unclonable Physical Identifiers17 Jul 2025US 2025/0229563 A1DUST Identity, Inc.
Most cited
By later US patents
- Method and system for digital image signatures682US 5,721,788 ACorbis Corporation · 1998
- Method for encoding auxiliary data within a source signal283US 5,809,160 ADigimarc Corporation · 1998
- Authentication method and system225US 8,171,567 B1Tracer Detection Technology Corp. · 2012
- Method for image encoding209US 5,930,377 ADigimarc Corporation · 1999
- Authentication method and system186US 7,995,196 B1Tracer Detection Technology Corp. · 2011