G06F 18/21
Design or setup of recognition systems or techniques
Official title: Design or setup of recognition systems or techniques; Extraction of features in feature space; Blind source separation
G06F18/21 (Design or setup of recognition systems or techniques) appears on 18,462 US grants and 22,059 published applications in this corpus.
Search patents in G06F- Granted patents
- 18,462
- Published applications
- 22,059
- Assignees
- 4,695
- Inventors
- 41,363
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 6 | 0 |
| 1990 | 6 | 0 |
| 1991 | 7 | 0 |
| 1992 | 7 | 0 |
| 1993 | 11 | 0 |
| 1994 | 9 | 0 |
| 1995 | 9 | 0 |
| 1996 | 12 | 0 |
| 1997 | 11 | 0 |
| 1998 | 26 | 0 |
| 1999 | 16 | 0 |
| 2000 | 20 | 0 |
| 2001 | 20 | 2 |
| 2002 | 26 | 44 |
| 2003 | 47 | 68 |
| 2004 | 36 | 54 |
| 2005 | 43 | 92 |
| 2006 | 45 | 93 |
| 2007 | 56 | 101 |
| 2008 | 64 | 144 |
| 2009 | 90 | 155 |
| 2010 | 106 | 151 |
| 2011 | 119 | 172 |
| 2012 | 152 | 217 |
| 2013 | 224 | 237 |
| 2014 | 245 | 263 |
| 2015 | 280 | 350 |
| 2016 | 323 | 395 |
| 2017 | 349 | 496 |
| 2018 | 396 | 970 |
| 2019 | 872 | 1996 |
| 2020 | 1396 | 3157 |
| 2021 | 2094 | 4251 |
| 2022 | 2786 | 3633 |
| 2023 | 3221 | 2429 |
| 2024 | 2648 | 1155 |
| 2025 | 1759 | 792 |
| 2026 | 911 | 642 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Systems and methods for constructing a three-dimensional model from two-dimensional images6 Oct 2026US 12,751,796 B2SDC U.S. SmilePay SPV
- Partition monitoring method and model for concrete dam operation key part6 Oct 2026US 12,753,563 B2Hohai University
- Machine learning based metrology for semiconductor specimens6 Oct 2026US 12,754,484 B2Applied Materials Israel Ltd.
- Systems and methods of sensor data fusion6 Oct 2026US 12,754,977 B2Digital Global Systems, Inc.
- Multi-turn dialogue response generation with template generation6 Oct 2026US 12,755,101 B2Capital One Services, LLC
- Systems And Method for Interpreting High Energy Interactions8 Oct 2026US 2026/0309654 A1Decision Tree, LLC
- Techniques to embed a data object into a multidimensional frame8 Oct 2026US 2026/0310752 A1Capital One Services, LLC
- Systems and methods for internet-of-things management through generalized autonomous intelligent agent architectures8 Oct 2026US 2026/0310753 A1Abysius Inc.
- Information processing method, information processing apparatus, and non-transitory computer-readable storage medium8 Oct 2026US 2026/0310756 A1Actapio, Inc.
- Training and deployment of machine learning models8 Oct 2026US 2026/0310962 A1NVIDIA Corporation
Most cited
By later US patents
- Machine data web781US 7,937,344 B2Splunk Inc. · 2011
- Plethysmographic respiration processor710US 9,307,928 B1Masimo Corporation · 2016
- Face recognition system439US 5,164,992 AMassachusetts Institute of Technology · 1992
- Detecting and tracking objects in images423US 7,574,020 B2GestureTek, Inc. · 2009
- Generating an image mask using machine learning409US 10,402,689 B1Snap Inc. · 2019