G07D 7/0056
Involving markings of altered colours
Official title: {involving markings of altered colours}
G07D7/0056 (Involving markings of altered colours) appears on 29 US grants and 22 published applications in this corpus.
Search patents in G07D- Granted patents
- 29
- Published applications
- 22
- Assignees
- 16
- Inventors
- 40
- Latest grant
- 13 Jul 2021
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 2 | 4 |
| 2003 | 3 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 3 |
| 2006 | 4 | 0 |
| 2007 | 1 | 2 |
| 2008 | 1 | 1 |
| 2009 | 1 | 0 |
| 2010 | 1 | 1 |
| 2011 | 2 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 1 |
| 2015 | 0 | 3 |
| 2016 | 1 | 0 |
| 2017 | 2 | 0 |
| 2018 | 0 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Relation to security printing13 Jul 2021US 11,059,316 B2Inovink Limited
- Method for automated authentication of a security label5 Nov 2019US 10,467,840 B2
- Method of categorising defects in a media item15 Aug 2017US 9,734,648 B2NCR Corporation
- Security element and method to inspect authenticity of a print14 Mar 2017US 9,594,994 B2Glenisys Kft.
- Anti-counterfeiting feature generation method for valuable document and authentication method and device therefor22 Nov 2016US 9,499,006 B2GRG Banking Equipment Co., Ltd.
- 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
- Relation to security printing26 Mar 2020US 2020/0094608 A1Inovink Limited
- Method for automated authentication of a security label27 Sep 2018US 2018/0276931 A1Selfdot Technologies (Opc) Pvt Ltd
- Method for authenticating a security element by superimposing n shared colour images, and security element implementing said method27 Aug 2015US 2015/0244727 A1Arjowiggins Security
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