Signature verification apparatus, system, method, and program
US-2021365669-A1 · Nov 25, 2021 · US
Matching; Classification
Matching; Classification · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G06V40/394 |
| Official title | {Matching; Classification} |
| Display label | Matching; Classification |
| Total patents | 89 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 8 |
| 2017 | 6 |
| 2018 | 9 |
| 2019 | 10 |
| 2020 | 17 |
| 2021 | 10 |
| 2022 | 11 |
| 2023 | 5 |
| 2024 | 4 |
| 2025 | 6 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Automated signature extraction and verification
US-2021342571-A1 · Nov 4, 2021 · US
Automated signature extraction and verification
US-11106891-B2 · Aug 31, 2021 · US
Signature verification apparatus, system, method, and program
US-11106892-B2 · Aug 31, 2021 · US
Signature verification
US-2021124905-A1 · Apr 29, 2021 · US
Image processing apparatus, method, and system
US-10965452-B2 · Mar 30, 2021 · US
Automated signature extraction and verification
US-2021073514-A1 · Mar 11, 2021 · US
Encoding and decoding method and information recognition device using the same
US-2021004565-A1 · Jan 7, 2021 · US
Employing pressure signatures for personal identification
US-10861273-B2 · Dec 8, 2020 · US
Dynamic handwriting verification, handwriting-based user authentication, handwriting data generation, and handwriting data preservation
US-10846510-B2 · Nov 24, 2020 · US
Systems and methods for providing electronic infrastructure on paper documents
US-10839057-B1 · Nov 17, 2020 · US
Handwriting input apparatus, handwriting input method, program, and input system
US-2020327307-A1 · Oct 15, 2020 · US
Encoding and decoding method and information recognition device using the same
US-10803291-B2 · Oct 13, 2020 · US
Method and a device for recognizing an individual by biometric signature
US-10789341-B2 · Sep 29, 2020 · US
System architecture and method of authenticating a user
US-2020265215-A1 · Aug 20, 2020 · US
System, method, and computer-accessible medium for authentication via handwriting style
US-10719596-B1 · Jul 21, 2020 · US
Systems and methods for counterfeit check detection
US-10713658-B1 · Jul 14, 2020 · US
Gesture-based signature authentication
US-10681042-B2 · Jun 9, 2020 · US
Employing pressure signatures for personal identification
US-2020151987-A1 · May 14, 2020 · US
Signature verification apparatus, system, method, and program
US-2020125828-A1 · Apr 23, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G06V40/394?
- CPC G06V40/394 is the Cooperative Patent Classification code for “Matching; Classification.”
- How many patents are filed under CPC G06V40/394 (Matching; Classification)?
- Our database includes 89 publications tagged with this CPC code.
- Is patent activity under CPC G06V40/394 growing?
- Publication counts under this code: 4 in 2024 vs 6 in 2025 (latest complete years).