G07D 7/0054
Involving markings the properties of which are altered from original properties
Official title: {involving markings the properties of which are altered from original properties}
G07D7/0054 (Involving markings the properties of which are altered from original properties) appears on 57 US grants and 59 published applications in this corpus.
Search patents in G07D- Granted patents
- 57
- Published applications
- 59
- Assignees
- 38
- Inventors
- 96
- Latest grant
- 25 Mar 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 4 |
| 2003 | 3 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 3 |
| 2006 | 4 | 1 |
| 2007 | 1 | 3 |
| 2008 | 1 | 1 |
| 2009 | 1 | 0 |
| 2010 | 2 | 3 |
| 2011 | 2 | 4 |
| 2012 | 2 | 3 |
| 2013 | 0 | 3 |
| 2014 | 2 | 1 |
| 2015 | 1 | 6 |
| 2016 | 2 | 2 |
| 2017 | 6 | 3 |
| 2018 | 0 | 3 |
| 2019 | 3 | 3 |
| 2020 | 1 | 5 |
| 2021 | 4 | 5 |
| 2022 | 1 | 1 |
| 2023 | 5 | 1 |
| 2024 | 0 | 0 |
| 2025 | 3 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Structured nanoporous materials, manufacture of structured nanoporous materials and applications of structured nanoporous materials25 Mar 2025US 12,259,650 B2Kyoto University
- Method for printing and identifying authentication marks by means of an amplitude-modulated raster print11 Feb 2025US 12,220,933 B2U-Nica Systems AG
- Method of printing authentication indicators with amplitude modulated halftone printing11 Feb 2025US 12,220,934 B2U-Nica Systems AG
- Systems and methods for detection of counterfeit documents12 Dec 2023US 11,842,593 B2IDEMIA National Security Solutions LLC
- Method for producing security elements in an image which are not visible to the human eye and cannot be copied, and printed image1 Aug 2023US 11,715,309 B2authentic.network GmbH
- Phosphorescent authentication devices, systems, and methods1 Jan 2026US 2026/0004311 A1Spectra Systems Corporation
- Authenticating multi-layered objects using encoded signals20 Nov 2025US 2025/0355978 A1
- Method for Printing and Identifying Authentication Marks by Means of an Amplitude-Modulated Raster Print14 Dec 2023US 2023/0398805 A1U-Nica Systems AG
- Method of Printing Authentication Indicators with Amplitude Modulated Halftone Printing12 May 2022US 2022/0150378 A1U-Nica Systems AG
- Method for currency validation30 Sep 2021US 2021/0304545 A1University of Louisiana at Lafayette
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
- Method for image encoding209US 5,930,377 ADigimarc Corporation · 1999
- Image marking with pixel modification95US 6,628,801 B2Digimarc Corporation · 2003
- Method for encoding auxiliary data within a source signal80US 6,385,330 B1Digimarc Corporation · 2002