G06K 19/086
With markings consisting of randomly placed or oriented elements, the randomness of
Official title: {with markings consisting of randomly placed or oriented elements, the randomness of the elements being useable for generating a unique identifying signature of the record carrier, e.g. randomly placed magnetic fibers or magnetic particles in the body of a credit card}
G06K19/086 (With markings consisting of randomly placed or oriented elements, the randomness of) appears on 171 US grants and 173 published applications in this corpus.
Search patents in G06K- Granted patents
- 171
- Published applications
- 173
- Assignees
- 121
- Inventors
- 326
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 2 |
| 2002 | 2 | 1 |
| 2003 | 3 | 4 |
| 2004 | 2 | 5 |
| 2005 | 6 | 9 |
| 2006 | 3 | 11 |
| 2007 | 4 | 10 |
| 2008 | 6 | 6 |
| 2009 | 6 | 7 |
| 2010 | 9 | 12 |
| 2011 | 11 | 8 |
| 2012 | 10 | 5 |
| 2013 | 7 | 6 |
| 2014 | 8 | 4 |
| 2015 | 7 | 16 |
| 2016 | 8 | 9 |
| 2017 | 9 | 6 |
| 2018 | 11 | 9 |
| 2019 | 11 | 13 |
| 2020 | 9 | 9 |
| 2021 | 9 | 6 |
| 2022 | 1 | 5 |
| 2023 | 2 | 6 |
| 2024 | 5 | 2 |
| 2025 | 2 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Optical anti-counterfeiting element and optical anti-counterfeiting product24 Mar 2026US 12,585,911 B2China Banknote Printing and Minting Corp.
- Electronic chip identity28 Oct 2025US 12,456,979 B2Analog Devices International Unlimited Company
- Label for identifying an object, a precursor of the label, a method of reading the label, and a method of manufacturing the label11 Feb 2025US 12,223,860 B2Un1Qnx
- Collation device and non-transitory computer readable medium storing program9 Jul 2024US 12,035,040 B2FUJIFILM Business Innovation Corp.
- Magnetic PUF with predetermined information layer9 Apr 2024US 11,951,759 B2Lexmark International, Inc.
- Optical Anti-Counterfeiting Element and Optical Anti-Counterfeiting Product3 Jul 2025US 2025/0217617 A1China Banknote Printing and Minting Corp.
- Print activatable environmental sensor providing a delayed threshold temperature response12 Jun 2025US 2025/0190734 A1Temptime Corporation
- Electronic chip identity19 Dec 2024US 2024/0421819 A1Analog Devices International Unlimited Company
- Arrangement for Determining a Printed Circuit Board Identifier5 Sep 2024US 2024/0298404 A1Siemens Aktiengesellschaft
- Method for uniquely marking objects14 Dec 2023US 2023/0401411 A1Leuchtstoffwerk Breitungen GmbH
Most cited
By later US patents
- System and method for authentication of goods536US 5,974,150 ATracer Detection Technology Corp. · 1999
- System and method for production and authentication of original documents230US 7,080,041 B2eSecureDocs, Inc. · 2006
- Authentication method and system225US 8,171,567 B1Tracer Detection Technology Corp. · 2012
- Authentication method and system224US 7,162,035 B1Tracer Detection Technology Corp. · 2007
- System and method for production and authentication of original documents218US 7,152,047 B1eSecure.biz, Inc. · 2006