Inventor

CHOI YO HAN

KR22 patents

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

CHOI YO HAN

SAMSUNG ELECTRONICS CO LTD

Method of repairing an opaque defect in a photomask

Method of measuring a critical dimension of a semiconductor device and a related apparatus

Method of making a photomask

Photomask, method for manufacturing the same and method for detecting/repairing defects in photomask

Methods for measuring mean-to-target (MTT) based on pattern area measurements and methods of correcting photomasks using the same

Methods of measuring critical dimensions and related devices

CHUNG KWANG HYO

Magnetic microvalve using metal ball and method of manufacturing the same

Disposable multi-layered filtration device for the separation of blood plasma

Microfluidic control apparatus and method of assembling the same

Device for storing reagent and method of discharging reagent thereof

Method and device for filtering blood using magnetic force

ELECTRONICS & TELECOMMUNICATIONS RES INST

Method and device for amplifying and detecting gene using graphene heater

Optical differential interrogation method and apparatus for surface plasmon resonance imaging

Transparent immunoassay apparatus and method

Gene amplification apparatus

PS-SPCL searching apparatus and method using surface plasmon resonance

HANWHA TOTAL PETROCHEMICAL CO LTD

MMA preparation method with isobutene including saturated hydrocarbon

UNIV KOREA RES & BUS FOUND

Capacitively coupled continuous-time delta-sigma modulator and operation method thereof

DAE WOONG PHARMA

Transdermal delivery system comprising donepezil or its salt

SONG HYUN-WOO

Biochip and apparatus for detecting biomaterial using biochip

KOREA ELECTRIC POWER CORP

Method of controlling frequency of power system

IMMUNEMED INC

Anti-viral VSF protein and hybridoma producing the same