Inventor

LEE CHANG-HYUN

KR243 patents

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

LEE CHANG-HYUN

SAMSUNG ELECTRONICS CO LTD

Methods of programming non-volatile semiconductor memory devices including coupling voltages and related devices

Operating a non-volatile memory device

Floating trap non-volatile semiconductor memory devices including high dielectric constant blocking insulating layers

Non-volatile semiconductor memory devices

Non-volatile memory devices with charge storage insulators

Non-volatile memory device with diffusion layer

Methods of forming FinFETs and nonvolatile memory devices including FinFETs

SONOS floating trap memory device formed in recess with the lower surface of the conductive gate formed higher that the upper surface of the active region

FinFETs and nonvolatile memory devices including FinFETs

Non-volatile memory devices having a multi-layered charge storage layer and methods of forming the same

Electrically erasable charge trap nonvolatile memory cells having erase threshold voltage that is higher than an initial threshold voltage

Nonvolatile memory devices and methods of fabricating the same

Method of forming non-volatile memory having floating trap type device

Non-volatile semiconductor memory devices

Non-volatile memory device having floating trap type memory cell and method of forming the same

Floating trap-type non-volatile memory device

Flash memory device and operating method for concurrently applying different bias voltages to dummy memory cells and regular memory cells during erasure

Methods of fabricating flash memory devices including multiple dummy cell array regions

Methods of precharging non-volatile memory devices during a programming operation and memory devices programmed thereby

Method and device for providing security content

Vertical memory devices with vertical isolation structures and methods of fabricating the same

Flash memory device and operating method for concurrently applying different bias voltages to dummy memory cells and regular memory cells during erasure

EHWA DIAMOND IND CO LTD

Grinding wheel for use in grinding apparatus

Adhesive sheet for noise and shock absorption, and saw blade making use of it, and manufacturing methods therefor

Diamond blade having segment type cutting tip for use in cutting, grinding or drilling apparatus

Saw blade shank

Core drill

Grinding wheel with segments for preventing one-sided wear

Grinding wheel

Saw blade

Diamond saw blade equipped with undercut preventing tip

Saw blade for cutting steel-reinforced structure

LEE CHANG-HYUN

Vertical memory devices

Vertical-type non-volatile memory devices having dummy channel holes

Memory devices having semiconductor patterns on a substrate and methods of manufacturing the same

Method and apparatus for encoding video using variable partitions for predictive encoding, and method and apparatus for decoding video using variable partitions for predictive encoding

Vertical type semiconductor devices including a metal gate and methods of forming the same

Flash memory device and operating method for concurrently applying different bias voltages to dummy memory cells and regular memory cells during erasure

Nonvolatile memory devices supporting memory cells having different bit storage levels and methods of operating the same

Nonvolatile memory device

LEE CHANG HYUN

Roof airbag apparatus of vehicle

Roof airbag apparatus for vehicle

Method for preparing rapidly disintegrating formulation for oral administration and apparatus for preparing and packing the same

Roof airbag apparatus for vehicle

HYUNDAI MOTOR CO LTD

Roof airbag device for vehicle

Brake pedal supporting structure of a vehicle

(unassigned)

Grinding wheel

SAMSUNG ELECTRONICSCO LTD

Flash memory device and method of programming the same

EWHA DIAMOND IND CO LTD

Abrasive wheel

KOREA ELECTRIC POWER CORP

Photo-chemical vapor deposition apparatus having exchange apparatus of optical window and method of exchanging optical window therewith