Inventor

CHENG CHAO-KAI

TW42 patents

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

CHENG CHAO-KAI

FINETEK CO LTD

Display screen with graphical user interface

Display screen with graphical user interface

Thermal mass flow meter

Conveying apparatus

Sensing apparatus and material sensing method

Explosion-proof dust of electromechanical level measuring device

Level measuring device with an integratable lens antenna

Horn antenna device and step-shaped signal feed-in apparatus thereof

Frequency modulation continuous wave radar level meter and signal-tracking and phase-locking method for the same

Radar liquid level measuring apparatus and radar liquid level measuring method

Cable-based sensor for detecting material level and temperature

High accuracy liquid density sensor

Measurement device for detecting material level and temperature

Safety design method of electromagnetic flowmeter

Method for measuring permittivity of material

Rotary paddle level switch

Liquid level sensing apparatus for long-distance automatically enhancing signal-to-noise ratio

Calibration method for capacitance level sensing apparatus and anti-interference method for plural capacitance level sensing apparatuses

Sealing device of a level meter

Self-alignment filling level detecting device

High accuracy level transducer

IND TECH RES INST

Inkjet apparatus and calibration methods thereof

Electro-wetting display panel

Multi-layer printed circuit board and method for fabricating the same

Atmospheric plasma inkjet printing apparatuses and methods for fabricating color filter using the same

Fabrication method of radio frequency identification antenna coil

Method of forming a conductive via plug

Printing method

Micro-droplet injection apparatus and injecting process using the same

Transistor-type pressure sensor and method for fabricating the same

Printing data processing apparatus and method therefor

Method of fabricating an active array color filter structure for a liquid crystal display

Apparatus and system for roll-to-roll processing

TAIWAN SEMICONDUCTOR MFG CO LTD

Material having single crystal perovskite, device including the same, and manufacturing method thereof

Material having single crystal perovskite, device including the same, and manufacturing method thereof

LIN CHIH-JIAN

Pattern printing system and data processing method thereof

CHANG LIANG-CHI

Sensing device for detecting material depth, liquid-level, and temperature

IND TECHNOLOGY RES TECHNOLOGY

Electrowetting display and methods for manufacturing the same

TSAI TZU-CHUAN

Turbine vibrator

CHENG CHAO-KAI

Method for fabricating displays, and apparatus and process for producing displays

HUANG CHIEH-YI

Bi-stable display systems and driving methods thereof

WANG CHENG-YI

Supply system and injection-head structure thereof