Inventor

LEE CHOONG HOON

KR119 patents

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

LEE CHOONG HOON

LG CHEMICAL LTD

Supported hybrid metallocene catalyst, method for preparing the same, and method for preparing polyolefin using the same

Fourth group transition metal compound having cyclopentadienyl ligand, method of preparing compound, and method of preparing olefin polymer using compound

Olefin-based polymer

Long chain-branched ethylene-alpha olefin copolymer

Fulvene, metallocene catalysts and preparation method thereof, and preparation of polyolefines copolymer using the same

Encapsulation composition for photovoltaic cell module and photovoltaic cell module comprising the same

Olefin resin composition

Olefin-based polymer

Transition metal complex, catalyst composition including the same and olefin polymer using catalyst composition

Transition metal complex, catalyst composition including the same and olefin polymer using catalyst composition

Polypropylene-based composite material and method for preparing the same

Olefin-based copolymer and method for preparing the same

Olefin-based polymer

Olefin-based polymer

Olefin-based polymer

Olefin-based polymer

Transition metal compound and catalyst composition including the same

Encapsulant film

Olefin resin

Copolymer

Method of preparing olefin-based polymer and olefin-based polymer prepared thereby

Olefin-based polymer and preparation method thereof

Method for preparing ethylene vinylacetate copolymer

Olefin-based polymer

Catalyst composition and method of preparing polymer including the same

Polypropylene-based resin composition and automobile parts using the same

OLEFIN-based ionomer resin composition

Fulvene, metallocene catalysts and preparation method thereof, and preparation of polyolefines copolymer using the same

Ethylene vinyl acetate copolymer and method of preparing the same

Polypropylene-based composite

Olefin-based polymer

Olefin-based copolymer and method for preparing the same

Ethylene/alpha-olefin copolymer and method for preparing the same

SAMSUNG ELECTRONICS CO LTD

Fingerprint sensor, electronic device having the same, and method of operating fingerprint sensor

Successive approximation analog-to-digital converter and method of analog-to-digital conversion

Network apparatus for pairing with user device and pairing method thereof

Fingerprint sensors and electronic devices having the same

Semiconductor device including integrator and successive approximation register analog-to-digital converter and driving method of the same

Apparatus and methods for converting analog signal to N-bit digital data

Method, system, and data server for checking revocation of content device and transmitting data

LEE CHOONG-HOON

Method and apparatus for reproducing video using watermark inserting function

Method and apparatus for encrypting transport stream of multimedia content, and method and apparatus for decrypting transport stream of multimedia content

Method of installing software for using digital content and apparatus for playing digital content

NHN CORP

Method and system for transmitting short message service using messenger, and computer readable recording medium recording program for implementing the method

KOREA INST SCI & TECH

Method and apparatus for increasing incineration capacity of the ground flares by using the principle of tornado

LEE EUN JUNG

Supported metallocene catalyst, method of preparing the catalyst and method of preparing polyolefin using the catalyst

HWANG YONG-HO

Method and apparatus for managing user devices and contents by using quick response codes

LEE EUN-JUNG

Method for producing an elastomer using a transition metal catalyst

PARK DONG-KYU

Ethylene α-olefin copolymer

YOU YONG-KUK

Method and apparatus for inserting authentication code, and method and apparatus for using data through authentication