Inventor

CHANG CHIEH

US44 patents

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

CHANG CHIEH

MAGIC LEAP INC

Patterning of liquid crystals using soft-imprint replication of surface alignment patterns

Methods and apparatuses for casting polymer products

Methods and apparatuses for casting polymer products

Waveguides having integral spacers and related systems and methods

Patterning of liquid crystals using soft-imprint replication of surface alignment patterns

Hybrid polymer waveguide and methods for making the same

Methods and apparatuses for casting polymer products

Eyepiece for head-mounted display and method for making the same

Methods and apparatuses for casting polymer products

Methods and systems for augmented reality display with dynamic field of view

Hybrid polymer waveguide and methods for making the same

Eyepiece for head-mounted display and method for making the same

Methods and apparatuses for casting polymer products

Waveguides having integrated spacers, waveguides having edge absorbers, and methods for making the same

Eyepiece for head-mounted display and method for making the same

Methods and systems for augmented reality display with dynamic field of view

Methods and apparatuses for casting polymer products

Methods and apparatuses for casting polymer products

Waveguides having integral spacers and related systems and methods

Customized polymer/glass diffractive waveguide stacks for augmented reality/mixed reality applications

Polymer patterned disk stack manufacturing

Color-selective waveguides for augmented reality/mixed reality applications

Customized polymer/glass diffractive waveguide stacks for augmented reality/mixed reality applications

Color-selective waveguides for augmented reality/mixed reality applications

Customized polymer/glass diffractive waveguide stacks for augmented reality/mixed reality applications

Preparing and dispensing polymer materials and producing polymer articles therefrom

Polymer eyepiece assemblies for augmented and mixed reality systems

Method of fabricating molds for forming eyepieces with integrated spacers

Methods and apparatuses for casting optical polymer films

GTE LENKURT INC

Switched capacitor AM modulator/demodulator

Switched capacitor balanced modulator/demodulator

Switched capacitor SSB modulator

Switched capacitor SSB modulator

TAIWAN SEMICONDUCTOR MFG CO LTD

Bonding system with sealing gasket and method for using the same

Bonding system with sealing gasket and method for using the same

Method and system for bonding

Bonding system and method for using the same

GTE COMMUNICATION SYST

Switched capacitor DSB modulator/demodulator

GTE AUTOMATIC ELECTRIC INC

Switched capacitor n-path filter

PROGRAMMABLE MICROELECTRONICS

Memory device having automatic protocol detection

GTE COMMUNICATIONS SYSTEMS COR

Switched capacitor AM modulator/demodulator

CIRRUS LOGIC INC

VGA controller circuitry

MOLECULAR IMPRINTS INC

Optical polymer films and methods for casting the same

CHANG CHIEH

Microfluidic platform for synthetic biology applications