G06K 2019/06225
Using wavelength selection
Official title: {using wavelength selection, e.g. colour code}
G06K2019/06225 (Using wavelength selection) appears on 284 US grants and 245 published applications in this corpus.
Search patents in G06K- Granted patents
- 284
- Published applications
- 245
- Assignees
- 151
- Inventors
- 466
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 5 | 0 |
| 1995 | 4 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 10 | 0 |
| 2000 | 10 | 0 |
| 2001 | 8 | 4 |
| 2002 | 4 | 7 |
| 2003 | 7 | 14 |
| 2004 | 7 | 20 |
| 2005 | 7 | 20 |
| 2006 | 16 | 23 |
| 2007 | 14 | 15 |
| 2008 | 6 | 16 |
| 2009 | 12 | 13 |
| 2010 | 15 | 12 |
| 2011 | 16 | 9 |
| 2012 | 11 | 5 |
| 2013 | 9 | 5 |
| 2014 | 7 | 9 |
| 2015 | 10 | 7 |
| 2016 | 6 | 6 |
| 2017 | 5 | 4 |
| 2018 | 4 | 8 |
| 2019 | 9 | 7 |
| 2020 | 12 | 12 |
| 2021 | 10 | 12 |
| 2022 | 8 | 5 |
| 2023 | 7 | 4 |
| 2024 | 6 | 5 |
| 2025 | 6 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- System and method using a histogram and colorspaces to create a matrix barcode having a plurality of colors20 May 2025US 12,307,310 B2Capital One Services, LLC
- Information code, information code generation device, information code readout device, program, and information code utilization system1 Apr 2025US 12,265,864 B2Variety M-1 Inc.
- Display medium of information code, information code generation device, and information code reading device2 Jul 2026US 2026/0187396 A1Denso Corporation
- Consumer product comprising outer packaging with a visible code and system including the product9 Oct 2025US 2025/0315636 A1Nuevos Sistemas TecnolóGicos S.L.
- Tool identifier recognition and sensor calibration in a tool control system2 Oct 2025US 2025/0307580 A1Snap-on Incorporated
- Optical structure, manufacturing method thereof, and code forming method3 Oct 2024US 2024/0330635 A1Toppan Holdings Inc.
- Optimizing detection of images in relation to targets based on colorspace transformation techniques11 Jul 2024US 2024/0232563 A1Capital One Services, LLC
Most cited
By later US patents
- Dot code and information recording/reproducing system for recording/reproducing the same261US 5,896,403 AOlympus Optical Co., Ltd. · 1999
- Multi-color information encoding system255US 5,369,261 A1994
- Hand-held dataform reader having multiple target area illumination sources for independent reading of superimposed dataforms253US 6,669,093 B1Telxon Corporation · 2003
- Document authentication system utilizing a transparent label220US 5,514,860 APitney Bowes Inc. · 1996
- Photoluminescent markings with functional overlayers216US 8,247,761 B1Performance Indicator, LLC · 2012