G06F 40/232
Orthographic correction
Official title: Orthographic correction, e.g. spell checking or vowelisation
G06F40/232 (Orthographic correction) appears on 1,189 US grants and 1,233 published applications in this corpus.
Search patents in G06F- Granted patents
- 1,189
- Published applications
- 1,233
- Assignees
- 462
- Inventors
- 2,855
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 4 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 7 | 0 |
| 1988 | 12 | 0 |
| 1989 | 11 | 0 |
| 1990 | 10 | 0 |
| 1991 | 4 | 0 |
| 1992 | 4 | 0 |
| 1993 | 10 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 5 | 0 |
| 1997 | 11 | 0 |
| 1998 | 13 | 0 |
| 1999 | 16 | 0 |
| 2000 | 18 | 0 |
| 2001 | 8 | 2 |
| 2002 | 13 | 21 |
| 2003 | 13 | 14 |
| 2004 | 13 | 23 |
| 2005 | 9 | 29 |
| 2006 | 18 | 30 |
| 2007 | 17 | 36 |
| 2008 | 16 | 45 |
| 2009 | 18 | 44 |
| 2010 | 28 | 41 |
| 2011 | 31 | 32 |
| 2012 | 30 | 40 |
| 2013 | 52 | 60 |
| 2014 | 51 | 74 |
| 2015 | 51 | 63 |
| 2016 | 64 | 69 |
| 2017 | 63 | 78 |
| 2018 | 56 | 68 |
| 2019 | 83 | 99 |
| 2020 | 93 | 64 |
| 2021 | 77 | 60 |
| 2022 | 48 | 61 |
| 2023 | 54 | 52 |
| 2024 | 54 | 54 |
| 2025 | 53 | 30 |
| 2026 | 28 | 44 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods for improving autocorrect accuracy by fusing keystroke input with real-time lip-movement cues and optional whisper-level audio15 Sep 2026US 12,737,540 B1
- Messaging system utilizing generative ai system images18 Aug 2026US 12,712,836 B1Fortix Inc.
- Method and electronic device for recognizing text in image11 Aug 2026US 12,705,913 B2Samsung Electronics Co., Ltd.
- System and method for extracting information from partial images based on text stitching4 Aug 2026US 12,699,839 B2Walmart Apollo, LLC
- Text segmentation for training text capitalization and punctuation model14 Jul 2026US 12,682,163 B2International Business Machines Corporation
- System24 Sep 2026US 2026/0289611 A1SoftBank Group Corp.
- Correction device, correction method, and recording medium17 Sep 2026US 2026/0278270 A1NEC Corporation
- Chat support platform having automatic keyword correction17 Sep 2026US 2026/0278271 A1Truist Bank
- System17 Sep 2026US 2026/0278556 A1SoftBank Group Corp.
- Skipping autocorrect in text indicating a typographical error27 Aug 2026US 2026/0252794 A1Motorola Mobility LLC
Most cited
By later US patents
- System and method of supporting adaptive misrecognition in conversational speech500US 7,620,549 B2VoiceBox Technologies, Inc. · 2009
- Method for spell check based upon target and presence of avatars within a virtual environment489US 8,095,878 B2International Business Machines Corporation · 2012
- Automated transformation from American English to British English417US 6,738,738 B2TellMe Networks, Inc. · 2004
- System and method of supporting adaptive misrecognition in conversational speech411US 8,620,659 B2VoiceBox Technologies, Inc. · 2013
- System and method of supporting adaptive misrecognition conversational speech410US 8,332,224 B2VoiceBox Technologies, Inc. · 2012