G06K 7/1421
Circular bar codes
Official title: {Circular bar codes}
G06K7/1421 (Circular bar codes) appears on 64 US grants and 66 published applications in this corpus.
Search patents in G06K- Granted patents
- 64
- Published applications
- 66
- Assignees
- 23
- Inventors
- 79
- Latest grant
- 11 Jun 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 2 | 12 |
| 2005 | 2 | 5 |
| 2006 | 7 | 2 |
| 2007 | 7 | 5 |
| 2008 | 4 | 4 |
| 2009 | 2 | 4 |
| 2010 | 3 | 3 |
| 2011 | 4 | 3 |
| 2012 | 3 | 2 |
| 2013 | 1 | 0 |
| 2014 | 1 | 1 |
| 2015 | 0 | 3 |
| 2016 | 4 | 2 |
| 2017 | 2 | 3 |
| 2018 | 1 | 0 |
| 2019 | 3 | 6 |
| 2020 | 5 | 3 |
| 2021 | 1 | 4 |
| 2022 | 5 | 1 |
| 2023 | 1 | 2 |
| 2024 | 1 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Container with a code encoding a sequence of foodstuff or beverage preparation operations11 Jun 2024US 12,006,134 B2Societe des Produits Nestle S. A.
- Image processing methods and arrangements useful in automated store shelf inspections21 Feb 2023US 11,587,195 B2Digimarc Corporation
- Container with a code encoding a sequence of foodstuff or beverage preparation operations6 Dec 2022US 11,518,606 B2Societe des Produits Nestle S. A.
- Intelligent seal with cloud computing-based anti-forgery capability, enables printing the seal with degree rotation which improving printing speed and efficiency18 Oct 2022US 11,474,758 B2Haiming United Energy Group Juwang Technology Co., Ltd.
- Two-dimensional code and method, terminal, and apparatus for recognizing two-dimensional code11 Oct 2022US 11,468,255 B2Tencent Technology (Schenzhen) Company Limited
- Two-Dimensional Code and Method Thereof12 Mar 2026US 2026/0073169 A1
- Secure QR code system for distributed large payload transmissions for everyday use6 Apr 2023US 2023/0106011 A1
- Container with a code encoding a sequence of foodstuff or beverage preparation operations2 Mar 2023US 2023/0060264 A1Societe des Produits Nestle S. A.
- Position-measuring device for measuring an absolute position7 Apr 2022US 2022/0107208 A1IC-Haus GmbH
- Intelligent seal with cloud computing-based anti-forgery capability24 Jun 2021US 2021/0191671 A1Haiming United Energy Group Juwang Technology Co., Ltd.
Most cited
By later US patents
- Maxicode data extraction using spatial domain features208US 6,053,407 AMetanetics Corporation · 2000
- Maxicode data extraction using spatial domain features119US 5,637,849 AMetanetics Corporation · 1997
- Data package template with data embedding104US 6,622,923 B1Silverbrook Research Pty Ltd · 2003
- Maxicode data extraction using spatial domain features exclusive of fourier type domain transfer processing98US 5,814,801 AMetanetics Corporation · 1998
- Dot-based data package template95US 7,152,805 B2Silverbrook Research Pty Ltd · 2006