G06V 40/30
Writer recognition
Official title: Writer recognition; Reading and verifying signatures
G06V40/30 (Writer recognition) appears on 649 US grants and 591 published applications in this corpus.
Search patents in G06V- Granted patents
- 649
- Published applications
- 591
- Assignees
- 313
- Inventors
- 1,198
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 7 | 0 |
| 1978 | 5 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 4 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 10 | 0 |
| 1992 | 9 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 5 | 0 |
| 1996 | 6 | 0 |
| 1997 | 5 | 0 |
| 1998 | 11 | 0 |
| 1999 | 10 | 0 |
| 2000 | 8 | 0 |
| 2001 | 10 | 4 |
| 2002 | 12 | 17 |
| 2003 | 11 | 19 |
| 2004 | 9 | 17 |
| 2005 | 11 | 21 |
| 2006 | 14 | 16 |
| 2007 | 13 | 27 |
| 2008 | 11 | 13 |
| 2009 | 17 | 8 |
| 2010 | 21 | 10 |
| 2011 | 19 | 18 |
| 2012 | 7 | 19 |
| 2013 | 19 | 21 |
| 2014 | 18 | 20 |
| 2015 | 31 | 31 |
| 2016 | 24 | 30 |
| 2017 | 27 | 30 |
| 2018 | 29 | 45 |
| 2019 | 30 | 39 |
| 2020 | 41 | 31 |
| 2021 | 30 | 30 |
| 2022 | 32 | 36 |
| 2023 | 30 | 29 |
| 2024 | 29 | 28 |
| 2025 | 27 | 16 |
| 2026 | 14 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method and system for identifying a user and non-transitory computer readable storage medium29 Sep 2026US 12,749,347 B2Samsung EletrôNica Da AmazôNia Ltda.
- Systems and methods for check fraud detection8 Sep 2026US 12,731,428 B2U.S. Bank National Association
- Dynamic signature verification system to verify user signature using neural network1 Sep 2026US 12,725,454 B2Wacom Co., Ltd.
- Partial image search1 Sep 2026US 12,725,455 B1Jumio Corporation
- Dynamic signature identification from handwritten elements25 Aug 2026US 12,718,623 B2Oracle International Corporation
- Dynamic signature identification from handwritten elements8 Oct 2026US 2026/0311514 A1Oracle International Corporation
- Remote authentication of identification signs10 Sep 2026US 2026/0267954 A1AL AMRI, Eisa Moosa
- Coding Data Into a Handwritten Sample13 Aug 2026US 2026/0237233 A1Microchip Technology Incorporated
- Signature Verification System and Method Based on Image Analysis23 Jul 2026US 2026/0212707 A1ViewSonic International Corporation
- Systems and methods for check fraud detection2 Jul 2026US 2026/0188041 A1U.S. Bank National Association
Most cited
By later US patents
- System and method to automatically discriminate between different data types546US 8,636,224 B2Hand Held Products, Inc. · 2014
- Modular signature and data-capture system and point of transaction payment and reward system509US 6,193,152 B1Receiptcity.Com, Inc. · 2001
- Writing implement for identity verification system424US 6,307,956 B12001
- Method and system for transcribing electronic affirmations336US 6,091,835 APenOp Limited · 2000
- Check verification system312US 6,728,397 B22004