Inventor

LI CHUNHUA

CN186 patents

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

LI CHUNHUA

ALIGN TECHNOLOGY INC

Palatal expander with skeletal anchorage devices

Systems, methods, and devices for applying distributed forces for mandibular advancement

Intraoral appliances with sensing

Method to visualize and manufacture aligner by modifying tooth position

Treatment plan specific bite adjustment structures

Dental appliance with repositioning jaw elements

Multilayer dental appliances and related methods and systems

Systems and methods for intra-oral diagnosis

Systems and methods for dental appliance compliance indication

Systems and methods for dental appliance compliance indication

Systems and methods for dental appliance compliance indication

Direct fabrication of aligners for palate expansion and other applications

Polymerizable monomers and method of polymerizing the same

Dental appliance with repositioning jaw elements

Dental materials using thermoset polymers

Arch adjustment appliance

Orthodontic appliance performance monitor

Dental appliance having ornamental design

Multilayer dental appliances and related methods and systems

Method and system for providing alternating use orthodontic aligners

Systems and methods for intra-oral diagnosis

Aligner damage prediction at weak spots with simulation

Prediction of aligner progressive damage using simulation

Release agent receptacle

Dental appliance with cavity for an unerupted or erupting tooth

Release agent receptacle

Aligner damage prediction using machine learning

Aligner damage prediction and mitigation

Curable composition for use in a high temperature lithography-based photopolymerization process and method of producing crosslinked polymers therefrom

Dental appliance wear indication

Dental attachment placement structure

Automatic aligner design with robust parametric optimization method

Multilayer dental appliances and related methods and systems

Devices, systems, and computer-implemented methods for dental attachment templates

Systems, apparatuses and methods for substance delivery from dental appliance

Multilayer polymer sheets

Multilayer dental appliances and related methods and systems

Multilayer dental appliances and related methods and systems

Dental appliance with cavity for an unerupted or erupting tooth

Tactile objects for orthodontics, systems and methods

LI CHUNHUA

Patterned dental positioning appliance

Method of forming a dental appliance

Multilayer dental appliances and related methods and systems

Tactile objects for orthodontics, systems and methods

Systems and methods for intra-oral drug delivery

PITNEY BOWES INC

Software based stamp dispenser

Method and system for providing controlled access to information stored on a portable recording medium

CHEN YAN

Restorative dental appliances

CHEN JENNIFER C

Release agent receptacle

COVESTRO DEUTSCHLAND AG

Multi-layer film with improved modulus properties