Inventor

JE CHANG HAN

KR27 patents

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

JE CHANG HAN

KOREA ELECTRONICS TELECOMM

MEMS package and packaging method thereof

Micro electro mechanical system (MEMS) microphone and fabrication method thereof

Bidirectional readout circuit for detecting direction and amplitude of capacitive MEMS accelerometers

Method for fabricating a micro-electromechanical system switch

Microphone

Micro-electro mechanical systems switch and method of fabricating the same

Micro-electromechanical systems switch and method of fabricating the same

Method of fabricating micro-vertical structure

Acoustic sensor

Acoustic sensor and method of manufacturing the same

Micromachined sensor for measuring vibration

Circuit for calculating a three-dimensional inclination angle

ELECTRONICS & TELECOMMUNICATIONS RES INST

Pressure sensor and a method for manufacturing the same

Fluid viscosity measuring device

Digital clock generation apparatus and method

Fluorescence sensor for measuring microalgae and method of operating the same

Resonator-based sensor and sensing method thereof

Flow sensor performing multi level down sampling and method thereof

JE CHANG HAN

Vertical accelerometer

MEMS microphone and method of manufacturing the same

Three-dimensional MEMS structure and method of manufacturing the same

Apparatus for preventing stiction of MEMS microstructure

JE CHANG-HAN

Capacitive accelerometer

KO SANG CHOON

Piezoelectric power generator

CHOI CHANG AUCK

Micro piezoresistive pressure sensor and manufacturing method thereof

LEE JAEWOO

Acoustic sensor

LEE JAE WOO

Acoustic sensor and fabrication method thereof