Dong Hwa HEO

Person

Seoul, KR

People

Patents Grantslast 30 patents

Information Patent Grant
Organic light emitting diode
- Patent number 12,120,949
- Issue date Oct 15, 2024
- LG Chem, Ltd.
- Miyeon Han
Information Patent Grant
Organic light-emitting element
- Patent number 12,082,498
- Issue date Sep 3, 2024
- LG Chem, Ltd.
- Dong Uk Heo
Information Patent Grant
Compound and organic light-emitting device comprising same
- Patent number 12,075,695
- Issue date Aug 27, 2024
- LG Chem, Ltd.
- Miyeon Han
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Organic electroluminescent device
- Patent number 12,052,913
- Issue date Jul 30, 2024
- LG Chem, Ltd.
- Jae Seung Ha
Information Patent Grant
Organic light-emitting device
- Patent number 12,029,115
- Issue date Jul 2, 2024
- LG Chem, Ltd.
- Dong Uk Heo
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Fluorene derivative and organic light emitting device comprising same
- Patent number 12,010,911
- Issue date Jun 11, 2024
- LG Chem, Ltd.
- Miyeon Han
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Compound and organic light emitting device comprising the same
- Patent number 12,004,421
- Issue date Jun 4, 2024
- LG Chem, Ltd.
- Yongbum Cha
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Organic light emitting device
- Patent number 12,004,423
- Issue date Jun 4, 2024
- LG Chem, Ltd.
- Jungoh Huh
Information Patent Grant
Heterocyclic compound and organic light emitting element comprising...
- Patent number 11,997,926
- Issue date May 28, 2024
- LG Chem, Ltd.
- Jungoh Huh
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Compound and organic light emitting device comprising the same
- Patent number 11,980,090
- Issue date May 7, 2024
- LG Chem, Ltd.
- Jae Tak Lee
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Multi-portal split cannulas, endoscopic hemostatic dispensers and s...
- Patent number 11,950,770
- Issue date Apr 9, 2024
- Amplify Surgical, Inc.
- Andy Wonyong Choi
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Compound and organic light emitting device comprising same
- Patent number 11,878,962
- Issue date Jan 23, 2024
- LG Chem, Ltd.
- Dong Uk Heo
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Heterocyclic compound and organic light-emitting element comprising...
- Patent number 11,877,510
- Issue date Jan 16, 2024
- LG Chem, Ltd.
- Boonjae Jang
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Heterocyclic compound and organic light emitting element comprising...
- Patent number 11,849,636
- Issue date Dec 19, 2023
- LG Chem, Ltd.
- Dong Uk Heo
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Heterocyclic compounds and organic light emitting device using the...
- Patent number 11,840,538
- Issue date Dec 12, 2023
- LG Chem, Ltd.
- Jung Ha Lee
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Heterocyclic compound and organic light emitting device comprising...
- Patent number 11,802,123
- Issue date Oct 31, 2023
- LG Chem, Ltd.
- Min Woo Jung
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Compound and organic light emitting device comprising same
- Patent number 11,737,358
- Issue date Aug 22, 2023
- LG Chem, Ltd.
- Jungoh Huh
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Compound and organic light-emitting device comprising same
- Patent number 11,737,357
- Issue date Aug 22, 2023
- LG Chem, Ltd.
- Miyeon Han
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Organic light-emitting element
- Patent number 11,723,268
- Issue date Aug 8, 2023
- LG Chem, Ltd.
- Dong Uk Heo
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Compound and organic light emitting device comprising the same
- Patent number 11,700,768
- Issue date Jul 11, 2023
- LG Chem, Ltd.
- Jung Hoon Yang
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Multi-portal surgical systems, cannulas, and related technologies
- Patent number 11,678,906
- Issue date Jun 20, 2023
- Amplify Surgical, Inc.
- Andy Wonyong Choi
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Compound and organic light emitting diode comprising same
- Patent number 11,678,574
- Issue date Jun 13, 2023
- LG Chem, Ltd.
- Jungoh Huh
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Compound and organic light-emitting device comprising same
- Patent number 11,653,564
- Issue date May 16, 2023
- LG Chem, Ltd.
- Dong Uk Heo
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Compound and organic light emitting device comprising same
- Patent number 11,641,778
- Issue date May 2, 2023
- LG Chem, Ltd.
- Jungha Lee
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Organic light emitting device
- Patent number 11,594,685
- Issue date Feb 28, 2023
- LG Chem, Ltd.
- Jung Oh Huh
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Heterocyclic compound and organic light emitting device using the same
- Patent number 11,578,076
- Issue date Feb 14, 2023
- LG Chem, Ltd.
- Jung Ha Lee
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Polycyclic compound and organic light emitting element comprising same
- Patent number 11,569,453
- Issue date Jan 31, 2023
- LG Chem, Ltd.
- Junghoon Yang
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Fluorene derivative and organic light emitting device comprising same
- Patent number 11,542,237
- Issue date Jan 3, 2023
- LG Chem, Ltd.
- Miyeon Han
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Heterocyclic compound and organic light emitting device comprising...
- Patent number 11,542,258
- Issue date Jan 3, 2023
- LG Chem, Ltd.
- Jungoh Huh
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Heterocyclic compounds and organic light emitting device using the...
- Patent number 11,518,769
- Issue date Dec 6, 2022
- LG Chem, Ltd.
- Jung Ha Lee
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
NOVEL COMPOUND AND ORGANIC LIGHT EMITTING DEVICE COMPRISING THE SAME
- Publication number 20240349599
- Publication date Oct 17, 2024
- LG CHEM, LTD.
- Jung Min YOON
- C07 - ORGANIC CHEMISTRY
Information Patent Application
COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE COMPRISING SAME
- Publication number 20240341176
- Publication date Oct 10, 2024
- LG CHEM, LTD.
- Jung Min YOON
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
MULTI-PORTAL SPLIT CANNULAS, ENDOSCOPIC HEMOSTATIC DISPENSERS AND S...
- Publication number 20240325006
- Publication date Oct 3, 2024
- Amplify Surgical, Inc.
- Andy Wonyong Choi
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING SAME
- Publication number 20240298531
- Publication date Sep 5, 2024
- LG CHEM, LTD.
- Jae Tak LEE
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
FLUORENE DERIVATIVE AND ORGANIC LIGHT EMITTING DEVICE COMPRISING SAME
- Publication number 20240292745
- Publication date Aug 29, 2024
- LG CHEM, LTD.
- Miyeon HAN
- C07 - ORGANIC CHEMISTRY
Information Patent Application
COMPOUND AND ORGANIC LIGHT EMITTING DEVICE COMPRISING THE SAME
- Publication number 20240292744
- Publication date Aug 29, 2024
- LG CHEM, LTD.
- Dong Uk Heo
- C07 - ORGANIC CHEMISTRY
Information Patent Application
NOVEL COMPOUND AND ORGANIC LIGHT EMITTING DEVICE COMPRISING THE SAME
- Publication number 20240138255
- Publication date Apr 25, 2024
- LG CHEM, LTD.
- Dong Uk HEO
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
ORGANIC LIGHT EMITTING DEVICE
- Publication number 20240016053
- Publication date Jan 11, 2024
- LG CHEM, LTD.
- Dong Uk HEO
- C07 - ORGANIC CHEMISTRY
Information Patent Application
MULTI-PORTAL SURGICAL SYSTEMS, CANNULAS, AND RELATED TECHNOLOGIES
- Publication number 20230329751
- Publication date Oct 19, 2023
- Amplify Surgical, Inc.
- Andy Wonyong Choi
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE COMPRISING SAME
- Publication number 20230331704
- Publication date Oct 19, 2023
- LG CHEM, LTD.
- Dong Uk HEO
- C07 - ORGANIC CHEMISTRY
Information Patent Application
BENZIMIDAZOLE-SUBSTITUTED FLUORANTHENE COMPOUND, AND ORGANIC LIGHT...
- Publication number 20230257356
- Publication date Aug 17, 2023
- LG CHEM, LTD.
- Miyeon HAN
- C07 - ORGANIC CHEMISTRY
Information Patent Application
NOZZLE DEVICE FOR FDM-TYPE 3D PRINTER
- Publication number 20230249404
- Publication date Aug 10, 2023
- BIOFRIENDS INC.
- Dong Nyoung HEO
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
Compound And Organic Light-Emitting Device Comprising Same
- Publication number 20230255104
- Publication date Aug 10, 2023
- LG CHEM, LTD.
- Miyeon HAN
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
NOZZLE DEVICE FOR FDM-TYPE 3D PRINTER
- Publication number 20230234285
- Publication date Jul 27, 2023
- BIOFRIENDS INC.
- Dong Nyoung HEO
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE COMPRISING SAME
- Publication number 20230165140
- Publication date May 25, 2023
- LG CHEM, LTD.
- Miyeon HAN
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE COMPRISING SAME
- Publication number 20230128259
- Publication date Apr 27, 2023
- LG CHEM, LTD.
- Miyeon HAN
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
ORGANIC LIGHT-EMITTING DEVICE
- Publication number 20230119911
- Publication date Apr 20, 2023
- LG CHEM, LTD.
- Jiyoung NOH
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
MULTI-PORTAL SURGICAL SYSTEMS
- Publication number 20230104335
- Publication date Apr 6, 2023
- Amplify Surgical, Inc.
- Andy Wonyong Choi
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Application
HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE COMPRISING...
- Publication number 20230053612
- Publication date Feb 23, 2023
- LG CHEM, LTD.
- Jung Min YOON
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
HETEROCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING DEVICE COMPRISING...
- Publication number 20230042871
- Publication date Feb 9, 2023
- LG CHEM, LTD.
- Dong Uk Heo
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ORGANIC LIGHT-EMITTING DEVICE
- Publication number 20230006161
- Publication date Jan 5, 2023
- LG CHEM, LTD.
- Dongkeun SONG
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
METHOD FOR PREPARING CHITOSAN SUCCINATE HYDROGEL
- Publication number 20220396640
- Publication date Dec 15, 2022
- University-Industry Cooperation Group of Kyung Hee University
- Il Keun KWON
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METHOD FOR PREPARATION OF SUCCINYLATED COLLAGEN-FIBRINOGEN HYDROGEL
- Publication number 20220396671
- Publication date Dec 15, 2022
- University-Industry Cooperation Group of Kyung Hee University
- Il Keun KWON
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
COMPOUND AND ORGANIC LIGHT EMITTING DEVICE COMPRISING SAME
- Publication number 20220367819
- Publication date Nov 17, 2022
- LG CHEM, LTD.
- Yongbum Cha
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
ORGANIC LIGHT EMITTING DEVICE
- Publication number 20220302392
- Publication date Sep 22, 2022
- LG CHEM, LTD.
- Jaegoo Lee
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ORGANIC LIGHT-EMITTING DEVICE
- Publication number 20220271226
- Publication date Aug 25, 2022
- LG CHEM, LTD.
- Dong Uk HEO
- C07 - ORGANIC CHEMISTRY
Information Patent Application
ORGANIC ELECTROLUMINESCENT DEVICE
- Publication number 20220123218
- Publication date Apr 21, 2022
- LG CHEM, LTD.
- Jae Seung HA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ORGANIC LIGHT EMITTING DEVICE
- Publication number 20220093873
- Publication date Mar 24, 2022
- LG CHEM, LTD.
- Ji Hye KIM
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
NOVEL HETEROCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING DEVICE COMPR...
- Publication number 20220064153
- Publication date Mar 3, 2022
- LG CHEM, LTD.
- Min Woo JUNG
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
NOVEL COMPOUND AND ORGANIC LIGHT EMITTING DEVICE COMPRISING THE SAME
- Publication number 20210313518
- Publication date Oct 7, 2021
- LG CHEM, LTD.
- Jae Tak Lee
- H01 - BASIC ELECTRIC ELEMENTS

Dong Hwa HEO

Person

Patents Grantslast 30 patents

Organic light emitting diode

Organic light-emitting element

Compound and organic light-emitting device comprising same

Organic electroluminescent device

Organic light-emitting device

Fluorene derivative and organic light emitting device comprising same

Compound and organic light emitting device comprising the same

Organic light emitting device

Heterocyclic compound and organic light emitting element comprising...

Compound and organic light emitting device comprising the same

Multi-portal split cannulas, endoscopic hemostatic dispensers and s...

Compound and organic light emitting device comprising same

Heterocyclic compound and organic light-emitting element comprising...

Heterocyclic compound and organic light emitting element comprising...

Heterocyclic compounds and organic light emitting device using the...

Heterocyclic compound and organic light emitting device comprising...

Compound and organic light emitting device comprising same

Compound and organic light-emitting device comprising same

Organic light-emitting element

Compound and organic light emitting device comprising the same

Multi-portal surgical systems, cannulas, and related technologies

Compound and organic light emitting diode comprising same

Compound and organic light-emitting device comprising same

Compound and organic light emitting device comprising same

Organic light emitting device

Heterocyclic compound and organic light emitting device using the same

Polycyclic compound and organic light emitting element comprising same

Fluorene derivative and organic light emitting device comprising same

Heterocyclic compound and organic light emitting device comprising...

Heterocyclic compounds and organic light emitting device using the...

Patents Applicationslast 30 patents

NOVEL COMPOUND AND ORGANIC LIGHT EMITTING DEVICE COMPRISING THE SAME

COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE COMPRISING SAME

MULTI-PORTAL SPLIT CANNULAS, ENDOSCOPIC HEMOSTATIC DISPENSERS AND S...

HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE INCLUDING SAME

FLUORENE DERIVATIVE AND ORGANIC LIGHT EMITTING DEVICE COMPRISING SAME

COMPOUND AND ORGANIC LIGHT EMITTING DEVICE COMPRISING THE SAME

NOVEL COMPOUND AND ORGANIC LIGHT EMITTING DEVICE COMPRISING THE SAME

ORGANIC LIGHT EMITTING DEVICE

MULTI-PORTAL SURGICAL SYSTEMS, CANNULAS, AND RELATED TECHNOLOGIES

COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE COMPRISING SAME

BENZIMIDAZOLE-SUBSTITUTED FLUORANTHENE COMPOUND, AND ORGANIC LIGHT...

NOZZLE DEVICE FOR FDM-TYPE 3D PRINTER

Compound And Organic Light-Emitting Device Comprising Same

NOZZLE DEVICE FOR FDM-TYPE 3D PRINTER

COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE COMPRISING SAME

COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE COMPRISING SAME

ORGANIC LIGHT-EMITTING DEVICE

MULTI-PORTAL SURGICAL SYSTEMS

HETEROCYCLIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE COMPRISING...

HETEROCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING DEVICE COMPRISING...

ORGANIC LIGHT-EMITTING DEVICE

METHOD FOR PREPARING CHITOSAN SUCCINATE HYDROGEL

METHOD FOR PREPARATION OF SUCCINYLATED COLLAGEN-FIBRINOGEN HYDROGEL

COMPOUND AND ORGANIC LIGHT EMITTING DEVICE COMPRISING SAME

ORGANIC LIGHT EMITTING DEVICE

ORGANIC LIGHT-EMITTING DEVICE

ORGANIC ELECTROLUMINESCENT DEVICE

ORGANIC LIGHT EMITTING DEVICE

NOVEL HETEROCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING DEVICE COMPR...

NOVEL COMPOUND AND ORGANIC LIGHT EMITTING DEVICE COMPRISING THE SAME