Inventor

WU YECHENG

US28 patents

⚠️ This page may combine multiple inventors who share the name “WU YECHENG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

WU YECHENG

Idemia Identity & Security USA LLC

Length-modulated screening lines and line codes

Digital identifier for a document

Embedding security information in an image

System and method for normalizing skin tone brightness in a portrait image

Onboard vehicle digital identification transmission

Onboard vehicle digital identification transmission

Embedded variable line patterns

Embedded line patterns using square-wave linecode

Signature panel for ID documents and payment cards

Embedded variable curved spiral patterns

Printing white features of an image using a print device

Pixelation density increment for embedding information

Optically variable ghost image with embedded data

System and method for liveness detection

MORPHOTRUST USA LLC

Automated document classification

Identification document with multiview image

System and method for liveness detection using facial landmarks

Embedded variable line patterns

Embedding 3D information in documents

System and method for manufacturing and inspecting identification documents

Onboard vehicle digital identification transmission

Document authentication

Identification document with contoured surface image

Document authentication

Embedded variable line patterns for images

(unassigned)

Method for converting a high resolution image to true color using a low resolution color image

SUN WEI

Gear-type air rifle slide stop structure

XISICO USA INC

Device and method of recoil reduction for air guns