Inventor

HAN WON SEOK

KR33 patents

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

HAN WON SEOK

UP CHEMICAL CO LTD

Ruthenium compound, preparation method therefor, precursor composition for film deposition containing same, and method for depositing film by using same

Group 4 metal element-containing alkoxy compound, preparing method thereof, precursor composition including the same for film deposition, and method of depositing film using the same

Group 4 metal element-containing compounds, method of preparing the same, precursor compositions including the same for forming a film, and method of forming a film using the same

Aluminum precursor composition

Ruthenium precursor composition, preparation method therefor, and formation method for ruthenium-containing film using same

Aluminum compounds and methods of forming aluminum- containing film using the same

Liquid precursor compositions, preparation methods thereof, and methods for forming layer using the composition

Method for manufacturing silicon-containing thin film

Liquid precursor compositions, preparation methods thereof, and methods for forming layer using the composition

Group 5 metal compound, method for preparing the same, precursor composition for depositing layer containing the same, and method for depositing layer using the same

Group 4 metal element-containing compound, method of preparing the same, precursor composition including the same for depositing film, and method of depositing film using the same

ELECTRONICS & TELECOMMUNICATIONS RES INST

High-output power quarter-wavelength shifted distributed feedback laser diode

Optical signal generating apparatus and operating method thereof

Mach-zehnder interferometric optical modulator with shallow ridge waveguide structure and method for manufacturing the same

Quantum light source device and optical communication apparatus including the same

Mach-Zehnder interferometric optical modulator with shallow ridge waveguide structure and method for manufacturing the same

Waveguide photodetector

Tunable semiconductor laser and operation method thereof

Optical waveguide structure

Optical detection device

KOREA ELECTRONICS TELECOMM

Planar waveguide element

Distributed Bragg reflector (DBR) structure in vertical cavity surface emitting laser (VCSEL) diode, method of manufacturing the same, and VCSEL diode

Semiconductor optical device having current-confined structure

Method of fabricating long wavelength vertical-cavity surface-emitting lasers

Method for fabricating semiconductor optical device

Method of etching for multi-layered structure of semiconductors in group III-V and method for manufacturing vertical cavity surface emitting laser device

Semiconductor optical device having current-confined structure

Methods of manufacturing a solar cell

OZCHELA INC

Stilbene derivative and method for preparing same

Stilbene derivative and method for preparing same

Stilbene derivative and method for preparing same

HAN WON SEOK

Diazadiene-based metal compound, method for preparing same and method for forming a thin film using same

CHUNG YONG-DUCK

Single junction type cigs thin film solar cell and method for manufacturing the thin film solar cell