Inventor

ZHAO LIHUA

US109 patents

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

ZHAO LIHUA

HEWLETT PACKARD DEVELOPMENT CO

Three-dimensional (3D) printing

Rules for printing three-dimensional parts

Fusing electronic components into three-dimensional objects via additive manufacturing processes

Increasing electrical conductivity at selected locations of a 3D object

Build material particle fusing in a chamber containing vapor

Coalescing agent concentrations and contone densities for three-dimensional objects

Radiation amount determination for an intended surface property level

3-dimensional printing

Deviant control in additive manufacturing

3D printed object with embedded sensing device

Three-dimensional (3D) printing build material composition

Printing a multi-structured 3D object

3-dimensional printing

Additive manufacturing

3-dimensional printing

Polymeric powder composition for three-dimensional (3D) printing

Three-dimensional (3D) printing method

Temperature control in 3D object formation

Generating three-dimensional objects with target surface roughness

Fusing agent including a tetraphenyldiamine-based dye

Predicting distributions of values of layers for three-dimensional printing

Lighting for additive manufacturing

Printing devices

Printing a multi-structured 3D object

Printhead assembly with light emission devices and photon detectors

Three-dimensional object production

3D forming objects using high melting temperature polymers

Objects having cores with nanoparticle binders

Radiation amount determination for an intended surface property level

Increasing electrical conductivity at selected locations of a 3D object

Forming three-dimensional (3D) electronic parts

Build matertal particle fusing in a chamber containing vapor

Deviant control in additive manufacturing

Additively formed 3D object with conductive channel

3D printer with a UV light absorbing agent

3D forming objects using high melting temperature polymers

Metal-connected particle articles

Arrangement determination for 3D fabricated parts

Metal-connected particle articles

Coalescent ink

Particulate build material

Material sets

Fusing agent including a metal bis(dithiolene) complex

APPLE INC

Locking and unlocking a mobile device using facial recognition

Locking and unlocking a mobile device using facial recognition

ZHAO LIHUA

Locking and unlocking a mobile device using facial recognition

HEWLETT PACKARD DEVELOPMENT CO LP

Surface enhanced fluorescence spectroscopy apparatus

APPLIED MATERIALS INC

Substrate imprinted with a pattern for forming isolated device regions

NAUKA KRZYSZTOF

Organic photoconductors having protective coatings with nanoparticles

PERIDOT PRINT LLC

Three-dimensional printed part