Keigo HOSHI

Person

Yokohama, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Light emitting device
- Patent number 12,219,871
- Issue date Feb 4, 2025
- Samsung Display Co., Ltd.
- Keigo Hoshi
Information Patent Grant
Light emitting device
- Patent number 12,069,945
- Issue date Aug 20, 2024
- Samsung Display Co., Ltd.
- Keigo Hoshi
Information Patent Grant
Organic electroluminescence device and aromatic compound for organi...
- Patent number 11,985,893
- Issue date May 14, 2024
- Samsung Display Co., Ltd.
- Keigo Hoshi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Organic electroluminescence device and polycyclic compound for orga...
- Patent number 11,800,793
- Issue date Oct 24, 2023
- Samsung Display Co., Ltd.
- Hankyu Pak
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Organic electroluminescence device and compound for organic electro...
- Patent number 11,424,417
- Issue date Aug 23, 2022
- Samsung Display Co., Ltd.
- Yoshimasa Fujita
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
LIGHT EMITTING ELEMENT AND FUSED POLYCYCLIC COMPOUND FOR THE LIGHT...
- Publication number 20240284795
- Publication date Aug 22, 2024
- SAMSUNG DISPLAY CO., LTD.
- Hirokazu KUWABARA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
LIGHT EMITTING ELEMENT AND FUSED POLYCYCLIC COMPOUND FOR THE LIGHT...
- Publication number 20240284796
- Publication date Aug 22, 2024
- SAMSUNG DISPLAY CO., LTD.
- Hirokazu KUWABARA
- C07 - ORGANIC CHEMISTRY
Information Patent Application
LIGHT EMITTING ELEMENT AND FUSED POLYCYCLIC COMPOUND FOR LIGHT EMIT...
- Publication number 20240284691
- Publication date Aug 22, 2024
- SAMSUNG DISPLAY CO., LTD.
- Keigo HOSHI
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
LIGHT EMITTING ELEMENT AND FUSED POLYCYCLIC COMPOUND FOR THE LIGHT...
- Publication number 20240268229
- Publication date Aug 8, 2024
- SAMSUNG DISPLAY CO., LTD.
- Keigo HOSHI
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
LIGHT EMITTING ELEMENT AND POLYCYCLIC COMPOUND FOR THE SAME
- Publication number 20240260292
- Publication date Aug 1, 2024
- SAMSUNG DISPLAY CO., LTD.
- Hirokazu KUWABARA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
LIGHT EMITTING ELEMENT AND POLYCYCLIC COMPOUND FOR THE SAME
- Publication number 20240260467
- Publication date Aug 1, 2024
- SAMSUNG DISPLAY CO., LTD.
- Hirokazu KUWABARA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
LIGHT EMITTING ELEMENT AND POLYCYCLIC COMPOUND FOR THE SAME
- Publication number 20240138263
- Publication date Apr 25, 2024
- SAMSUNG DISPLAY CO., LTD.
- Makoto YAMAMOTO
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
LIGHT EMITTING ELEMENT AND POLYCYCLIC COMPOUND FOR LIGHT EMITTING E...
- Publication number 20230263047
- Publication date Aug 17, 2023
- SAMSUNG DISPLAY CO., LTD.
- Yoshiro SUGITA
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
LIGHT EMITTING ELEMENT AND POLYCYCLIC COMPOUND FOR LIGHT EMITTING E...
- Publication number 20230225208
- Publication date Jul 13, 2023
- SAMSUNG DISPLAY CO., LTD.
- Keigo HOSHI
- C07 - ORGANIC CHEMISTRY
Information Patent Application
LIGHT EMITTING DIODE
- Publication number 20230113459
- Publication date Apr 13, 2023
- SAMSUNG DISPLAY CO., LTD.
- Keigo HOSHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ORGANIC ELECTROLUMINESCENCE DEVICE AND POLYCYCLIC COMPOUND FOR ORGA...
- Publication number 20220223790
- Publication date Jul 14, 2022
- SAMSUNG DISPLAY CO., LTD.
- Yuji SUZAKI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT EMITTING DEVICE
- Publication number 20220223799
- Publication date Jul 14, 2022
- SAMSUNG DISPLAY CO., LTD.
- Keigo HOSHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
LIGHT EMITTING DEVICE
- Publication number 20220123228
- Publication date Apr 21, 2022
- SAMSUNG DISPLAY CO., LTD.
- Keigo Hoshi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ORGANIC ELECTROLUMINESCENCE DEVICE AND POLYCYCLIC COMPOUND FOR ORGA...
- Publication number 20210273175
- Publication date Sep 2, 2021
- SAMSUNG DISPLAY CO., LTD.
- Hankyu PAK
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
ORGANIC ELECTROLUMINESCENCE DEVICE AND AROMATIC COMPOUND FOR ORGANI...
- Publication number 20210143342
- Publication date May 13, 2021
- SAMSUNG DISPLAY CO., LTD.
- Keigo HOSHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ORGANIC ELECTROLUMINESCENCE DEVICE AND COMPOUND FOR ORGANIC ELECTRO...
- Publication number 20200161562
- Publication date May 21, 2020
- SAMSUNG DISPLAY CO., LTD.
- Yoshimasa FUJITA
- C07 - ORGANIC CHEMISTRY

Keigo HOSHI

Person

Patents Grantslast 30 patents

Light emitting device

Light emitting device

Organic electroluminescence device and aromatic compound for organi...

Organic electroluminescence device and polycyclic compound for orga...

Organic electroluminescence device and compound for organic electro...

Patents Applicationslast 30 patents

LIGHT EMITTING ELEMENT AND FUSED POLYCYCLIC COMPOUND FOR THE LIGHT...

LIGHT EMITTING ELEMENT AND FUSED POLYCYCLIC COMPOUND FOR THE LIGHT...

LIGHT EMITTING ELEMENT AND FUSED POLYCYCLIC COMPOUND FOR LIGHT EMIT...

LIGHT EMITTING ELEMENT AND FUSED POLYCYCLIC COMPOUND FOR THE LIGHT...

LIGHT EMITTING ELEMENT AND POLYCYCLIC COMPOUND FOR THE SAME

LIGHT EMITTING ELEMENT AND POLYCYCLIC COMPOUND FOR THE SAME

LIGHT EMITTING ELEMENT AND POLYCYCLIC COMPOUND FOR THE SAME

LIGHT EMITTING ELEMENT AND POLYCYCLIC COMPOUND FOR LIGHT EMITTING E...

LIGHT EMITTING ELEMENT AND POLYCYCLIC COMPOUND FOR LIGHT EMITTING E...

LIGHT EMITTING DIODE

ORGANIC ELECTROLUMINESCENCE DEVICE AND POLYCYCLIC COMPOUND FOR ORGA...

LIGHT EMITTING DEVICE

LIGHT EMITTING DEVICE

ORGANIC ELECTROLUMINESCENCE DEVICE AND POLYCYCLIC COMPOUND FOR ORGA...

ORGANIC ELECTROLUMINESCENCE DEVICE AND AROMATIC COMPOUND FOR ORGANI...

ORGANIC ELECTROLUMINESCENCE DEVICE AND COMPOUND FOR ORGANIC ELECTRO...