Single-pixel sensor
US-2019340418-A1 · Nov 7, 2019 · US
Writer recognition; Reading and verifying signatures
Writer recognition; Reading and verifying signatures · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G06V40/30 |
| Official title | Writer recognition; Reading and verifying signatures |
| Display label | Writer recognition; Reading and verifying signatures |
| Total patents | 154 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 7 |
| 2016 | 11 |
| 2017 | 18 |
| 2018 | 22 |
| 2019 | 18 |
| 2020 | 19 |
| 2021 | 18 |
| 2022 | 11 |
| 2023 | 9 |
| 2024 | 11 |
| 2025 | 8 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method and apparatus with selective combined authentication
US-2019251245-A1 · Aug 15, 2019 · US
Haptic Feedback System
US-2018348914-A1 · Dec 6, 2018 · US
Managing registration of user identity using handwriting
US-10133859-B2 · Nov 20, 2018 · US
Interchangeable Device Components
US-2018329718-A1 · Nov 15, 2018 · US
Input Adjustment
US-2018329574-A1 · Nov 15, 2018 · US
Application Launching in a Multi-Display Device
US-2018329508-A1 · Nov 15, 2018 · US
Configuration of Primary and Secondary Displays
US-2018330694-A1 · Nov 15, 2018 · US
Dynamic handwriting verification, handwriting-based user authentication, handwriting data generation, and handwriting data preservation
US-2018330148-A1 · Nov 15, 2018 · US
Writing pen and method for generating fingerprint information
US-2018314348-A1 · Nov 1, 2018 · US
Method for synthesizing arabic handwritten text
US-2018300570-A1 · Oct 18, 2018 · US
Arabic script analysis with connection points
US-2018300569-A1 · Oct 18, 2018 · US
Mobile signature embedded in desktop workflow
US-10091003-B2 · Oct 2, 2018 · US
Arabic handwriting synthesis system and method
US-10083362-B2 · Sep 25, 2018 · US
Bio-electronic tag-based feature extraction and verification method, device, tag and storage medium
US-10068166-B2 · Sep 4, 2018 · US
Modular computing environment
US-10061457-B2 · Aug 28, 2018 · US
Haptic feedback system
US-10055034-B2 · Aug 21, 2018 · US
Systems and associated methods for arabic handwriting using synthetic extension concatenation and synthesis
US-10055659-B2 · Aug 21, 2018 · US
Capturing handwriting by a cartridge coupled to a writing implement
US-2018211126-A1 · Jul 26, 2018 · US
Secure biometric authentication with client-side feature extraction
US-2018212960-A1 · Jul 26, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G06V40/30?
- CPC G06V40/30 is the Cooperative Patent Classification code for “Writer recognition; Reading and verifying signatures.”
- How many patents are filed under CPC G06V40/30 (Writer recognition; Reading and verifying signatures)?
- Our database includes 154 publications tagged with this CPC code.
- Is patent activity under CPC G06V40/30 growing?
- Publication counts under this code: 11 in 2024 vs 8 in 2025 (latest complete years).