G06F 40/20
Natural language analysis
Official title: Natural language analysis (semantic analysis of natural language G06F40/30)
G06F40/20 (Natural language analysis) appears on 23,828 US grants and 30,737 published applications in this corpus.
Search patents in G06F- Granted patents
- 23,828
- Published applications
- 30,737
- Assignees
- 5,523
- Inventors
- 55,502
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 4 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 9 | 0 |
| 1983 | 6 | 0 |
| 1984 | 13 | 0 |
| 1985 | 10 | 0 |
| 1986 | 20 | 0 |
| 1987 | 21 | 0 |
| 1988 | 35 | 0 |
| 1989 | 45 | 0 |
| 1990 | 31 | 0 |
| 1991 | 36 | 0 |
| 1992 | 46 | 0 |
| 1993 | 46 | 0 |
| 1994 | 51 | 0 |
| 1995 | 40 | 0 |
| 1996 | 44 | 0 |
| 1997 | 48 | 0 |
| 1998 | 71 | 0 |
| 1999 | 97 | 0 |
| 2000 | 83 | 0 |
| 2001 | 90 | 30 |
| 2002 | 84 | 202 |
| 2003 | 75 | 213 |
| 2004 | 78 | 271 |
| 2005 | 85 | 305 |
| 2006 | 207 | 331 |
| 2007 | 154 | 387 |
| 2008 | 166 | 372 |
| 2009 | 210 | 374 |
| 2010 | 299 | 382 |
| 2011 | 287 | 359 |
| 2012 | 363 | 461 |
| 2013 | 462 | 638 |
| 2014 | 519 | 736 |
| 2015 | 605 | 925 |
| 2016 | 844 | 1260 |
| 2017 | 968 | 1382 |
| 2018 | 1029 | 1591 |
| 2019 | 1502 | 2063 |
| 2020 | 1876 | 2496 |
| 2021 | 2115 | 2715 |
| 2022 | 2230 | 2694 |
| 2023 | 2417 | 2663 |
| 2024 | 2423 | 2457 |
| 2025 | 2298 | 2657 |
| 2026 | 1676 | 2773 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G06F 40/279Recognition of textual entities12,053
- G06F 40/205Parsing9,139
- G06F 40/237Lexical tools3,506
- G06F 40/253Grammatical analysis2,070
- G06F 40/274Converting codes to words1,749
- G06F 40/232Orthographic correction1,189
- G06F 40/268Morphological analysis931
- G06F 40/263Language identification861
All 9 subgroupsShow fewer
Recent patents
- Automated layout design for building game worlds6 Oct 2026US 12,752,191 B2Autodesk, Inc.
- Method, apparatus, and system of providing large language model map feedback reporting6 Oct 2026US 12,754,041 B2HERE Global B. V.
- Semantic automation builder for robotic process automation6 Oct 2026US 12,754,519 B2UiPath, Inc.
- Synthetic tabular metadata generator using large language models6 Oct 2026US 12,754,888 B2Oracle International Corporation
- Memetic database6 Oct 2026US 12,754,895 B1Holtwork LLC
- Ai-driven video game setting suggestions8 Oct 2026US 2026/0306946 A1Sony Interactive Entertainment Inc.
- Entity identification in a multistage entity coordination network8 Oct 2026US 2026/0310185 A1Honeywell International Inc.
- Method and system of removing language barriers from digital interface-generated objects8 Oct 2026US 2026/0310479 A1JPMorgan Chase Bank, N. A.
- System debugging8 Oct 2026US 2026/0310541 A1NVIDIA Corporation
- Dream Memory for Providing Stored Playbooks to LLMs8 Oct 2026US 2026/0310691 A1
Most cited
By later US patents
- Concept-based search and retrieval system947US 6,675,159 B12004
- Selecting key phrases for serving contextually relevant content868US 8,073,850 B1WordNetworks, Inc. · 2011
- Natural language understanding system822US 5,794,050 AIntelligent Text Processing, Inc. · 1998
- System for using keyword phrases on a page to provide contextually relevant content to users788US 8,209,333 B2WordNetworks, Inc. · 2012
- Computerized cross-language document retrieval using latent semantic indexing688US 5,301,109 ABell Communications Research, Inc. · 1994