Inventor

CHEN YU-KAI

TW70 patents

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

CHEN YU-KAI

TAIWAN SEMICONDUCTOR MFG CO LTD

Ammonium fluoride pre-clean protection

Photoresist baking apparatus with cover plate having uneven exhaust hole distribution

Photoresist baking apparatus with cover plate having uneven exhaust hole distribution

Semiconductor device pre-cleaning

Method of forming contact metal

Method of forming contact metal

Lens adjustment for an edge exposure tool

Chemical replacement system

Photoresist bottle replacement system

Photoresist baking apparatus with cover plate having uneven exhaust hole distribution

Semiconductor device pre-cleaning

Ammonium fluoride pre-clean protection

Method of forming contact metal

Conductive feature formation and structure

Semiconductor device pre-cleaning

Method of forming contact metal

Method of forming contact metal

Conductive feature formation and structure

System and method for liquid leak detection

Manufacturing method of semiconductor device and semiconductor processing system

Manufacturing method of semiconductor device and semiconductor processing system

System and method for liquid leak detection

Manufacturing method of semiconductor device and semiconductor processing system

FEGO PREC IND CO LTD

Humidity sensor capable of self-regulating temperature compensation and manufacturing method thereof

Electronic ballast system for emergency lighting applications

Motor speed variator and a driving method thereof

Self-sourcing exercise bike with a linear digital control magnetic resistance braking apparatus

Belt-disc sander having speed adjuster

Compact single-stage electronic ballast circuit for emergency lighting applications

PROTAI PHOTONIC CO LTD

Dust protector with cleaning function for fiber optic connector

Optical fiber adapter with shutter members

Optical fiber adapter with shutter member

Optical fiber adapter with shutter member

Optical fiber adapter with shutter member

Optical fiber adapter

(unassigned)

Music box transmission mechanism

Transmission mechanism for music box ornament

Transmission mechanism for music box ornament

Music box transmitting mechanism

Ornamental display assembly

Music box transmission mechanism

RICHTEK TECHNOLOGY CORP

Power converter and secondary side controller and short circuit determination method for current sensing resistor of the power converter

Power converter with synchronous control function and control method thereof

Power supply circuit and protocol control circuit thereof

UNIV NAT FORMOSA

Integrated lamp with automatic emergency light and regular light

Power line communication control system adapted for single-wire and method thereof

IND TECH RES INST

Interactive display system

CHEN YU-KAI

Pad structure, circuit carrier and integrated circuit chip

CHIAN YIH OPTOTECH CO LTD

Vehicle lamp device and high-speed lighting vehicle lamp module

CHANG WEN-YUAN

Integrated circuit package and physical layer interface arrangement