Inventor

CHANG JENQ-YANG

TW18 patents

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

CHANG JENQ-YANG

AUTHENX INC

Hybrid multi-layered optical flexible printed circuit device and manufacturing method thereof

Wireless radio frequency conversion system and one-to-many distributing device

Wireless radio frequency conversion system and wireless radio frequency conversion method

Data transmission system and data transmission method

Image transmission system and image transmission method

Liveness detection apparatus, system and method

Optical network device and method for packaging optical network device

Optical fiber network device and optical fiber optic signal transmission method

Antenna assembly equipped with a sub-wavelength structured enhancer

Wireless radio frequency conversion system

UNIV NAT CENTRAL

Guided-mode resonance filter and fabrication method of same

Material composition for producing blue phosphor by excitation of UV light and method for making the same

Method of fabricating porous aluminum oxide mold having sub-micron structure and methods of imprinting to make LEDS using the mold

LED device having reduced spectrum

Phosphor material of phosphate compound

Red phosphor for white light emitting diodes

Method of fabricating hollow waveguide having cyclic geometric structure

IND TECH RES INST

Diffraction grating recording medium