G06V 30/333
Preprocessing
Official title: {Preprocessing; Feature extraction}
G06V30/333 (Preprocessing) appears on 648 US grants and 669 published applications in this corpus.
Search patents in G06V- Granted patents
- 648
- Published applications
- 669
- Assignees
- 247
- Inventors
- 1,354
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 5 | 0 |
| 1993 | 0 | 0 |
| 1994 | 6 | 0 |
| 1995 | 9 | 0 |
| 1996 | 17 | 0 |
| 1997 | 15 | 0 |
| 1998 | 20 | 0 |
| 1999 | 19 | 0 |
| 2000 | 13 | 0 |
| 2001 | 11 | 1 |
| 2002 | 2 | 0 |
| 2003 | 2 | 2 |
| 2004 | 1 | 4 |
| 2005 | 3 | 3 |
| 2006 | 3 | 18 |
| 2007 | 5 | 9 |
| 2008 | 6 | 6 |
| 2009 | 14 | 16 |
| 2010 | 6 | 12 |
| 2011 | 12 | 17 |
| 2012 | 8 | 20 |
| 2013 | 12 | 16 |
| 2014 | 14 | 22 |
| 2015 | 24 | 45 |
| 2016 | 25 | 54 |
| 2017 | 34 | 48 |
| 2018 | 44 | 74 |
| 2019 | 52 | 48 |
| 2020 | 48 | 45 |
| 2021 | 44 | 40 |
| 2022 | 44 | 48 |
| 2023 | 34 | 47 |
| 2024 | 27 | 33 |
| 2025 | 34 | 18 |
| 2026 | 19 | 23 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Machine-learning based automated document integration into genealogical trees6 Oct 2026US 12,754,896 B2Ancestry. com Operations Inc.
- Printed matter production system and non-transitory computer-readable storage medium storing signature image production program21 Jul 2026US 12,688,630 B2Seiko Epson Corporation
- Information processing device, method, computer-readable medium, and system30 Jun 2026US 12,670,315 B2Wacom Co., Ltd.
- System and method for providing recommendations based on handwritten data in a handwritten document23 Jun 2026US 12,664,809 B2Wacom Co., Ltd.
- Smart handwriting display device, smart handwriting display method, and electronic device19 May 2026US 12,632,167 B2Beijing BOE Technology Development Co., Ltd.
- An improved graphology system24 Sep 2026US 2026/0283520 A1
- Smart handwriting display device, smart handwriting display method, and electronic device27 Aug 2026US 2026/0252233 A1Beijing BOE Technology Development Co., Ltd.
- Input feedback based smart pen and protruding feedback based smart tablet6 Aug 2026US 2026/0227860 A1Dot Incorporation
- Handwritten character beautification method and electronic device16 Jul 2026US 2026/0203969 A1Huawei Technologies Co., Ltd.
- Techniques for generation of synthetic data with simulated handwriting9 Jul 2026US 2026/0196069 A1Capital One Services, LLC
Most cited
By later US patents
- Method and system for gesture category recognition and training using a feature vector535US 6,249,606 B1Mindmaker, Inc. · 2001
- Portable computers410US 6,956,564 B1British Telecommunications Public Ltd.Co. · 2005
- Handwriting recognition system and method371US 5,812,698 ASynaptics Incorporated · 1998
- Method and apparatus for editing an inked object while simultaneously displaying its recognized object305US 5,500,937 AApple Computer, Inc. · 1996
- Method for selecting objects on a computer display283US 5,523,775 AApple Computer, Inc. · 1996