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Hiroaki TOYOSHIMA
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Kanagawa, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Phosphor, method of producing phosphor, light-emitting element, lig...
Patent number
12,256,579
Issue date
Mar 18, 2025
DENKA COMPANY LIMITED
Hiroaki Toyoshima
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Phosphor powder and light emitting device
Patent number
12,006,459
Issue date
Jun 11, 2024
DENKA COMPANY LIMITED
Hiroki Banno
F21 - LIGHTING
Information
Patent Grant
Method for manufacturing phosphor powder, phosphor powder, and ligh...
Patent number
11,952,520
Issue date
Apr 9, 2024
DENKA COMPANY LIMITED
Hiroki Banno
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Organic electroluminescent element and electronic device drivable a...
Patent number
11,856,808
Issue date
Dec 26, 2023
Idemitsu Kosan Co., Ltd.
Masato Nakamura
Information
Patent Grant
Organic electroluminescence device, light emitting device, organic...
Patent number
11,575,087
Issue date
Feb 7, 2023
Idemitsu Kosan Co., Ltd.
Hiroaki Toyoshima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Organic electroluminescent element and electronic device
Patent number
11,552,259
Issue date
Jan 10, 2023
Idemitsu Kosan Co., Ltd.
Satomi Tasaki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Organic electroluminescent element emitting light at high luminous...
Patent number
11,489,128
Issue date
Nov 1, 2022
Idemitsu Kosan Co., Ltd.
Satomi Tasaki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Phosphor and light-emitting device using same
Patent number
11,279,876
Issue date
Mar 22, 2022
DENKA COMPANY LIMITED
Hiroaki Toyoshima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Organic electroluminescence composition, material for organic elect...
Patent number
10,833,281
Issue date
Nov 10, 2020
Idemitsu Kosan Co., Ltd.
Hironori Kawakami
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Phosphor and light emitting device
Patent number
10,093,854
Issue date
Oct 9, 2018
DENKA COMPANY LIMITED
Hiroaki Toyoshima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Phosphor, method for producing same, and use of same
Patent number
9,309,460
Issue date
Apr 12, 2016
DENKA COMPANY LIMITED
Hideyuki Emoto
F21 - LIGHTING
Patents Applications
last 30 patents
Information
Patent Application
ORGANIC ELECTROLUMINESCENCE ELEMENT, ELECTRONIC DEVICE, COMPOSITION...
Publication number
20250072273
Publication date
Feb 27, 2025
Idemitsu Kosan Co.,Ltd
Satomi TASAKI
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
ORGANIC ELECTROLUMINESCENT ELEMENT, ORGANIC ELECTROLUMINESCENT DISP...
Publication number
20240423010
Publication date
Dec 19, 2024
Idemitsu Kosan Co.,Ltd
Masato NAKAMURA
Information
Patent Application
ORGANIC ELECTROLUMINESCENT ELEMENT AND ELECTRONIC DEVICE
Publication number
20240415013
Publication date
Dec 12, 2024
Idemitsu Kosan Co.,Ltd
Masato NAKAMURA
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
MIXED POWDER, MIXTURE, AND METHOD FOR FABRICATING ORGANIC ELECTROLU...
Publication number
20240334814
Publication date
Oct 3, 2024
Idemitsu Kosan Co.,Ltd
Tetsuya MASUDA
C07 - ORGANIC CHEMISTRY
Information
Patent Application
ORGANIC ELECTROLUMINESCENT ELEMENT, ORGANIC ELECTROLUMINESCENT DISP...
Publication number
20240260300
Publication date
Aug 1, 2024
Idemitsu Kosan Co.,Ltd
Satomi TASAKI
Information
Patent Application
ORGANIC ELECTROLUMINESCENT ELEMENT, ORGANIC ELECTROLUMINESCENT DISP...
Publication number
20240251585
Publication date
Jul 25, 2024
Idemitsu Kosan Co.,Ltd
Tetsuya MASUDA
Information
Patent Application
ORGANIC ELECTROLUMINESCENT ELEMENT, ORGANIC ELECTROLUMINESCENT DISP...
Publication number
20240147843
Publication date
May 2, 2024
Idemitsu Kosan Co., Ltd.
Satomi TASAKI
Information
Patent Application
ORGANIC ELECTROLUMINESCENT ELEMENT AND ELECTRONIC DEVICE
Publication number
20240130224
Publication date
Apr 18, 2024
IDEMITSU KOSAN CO., LTD.
Hiroaki TOYOSHIMA
Information
Patent Application
ORGANIC ELECTROLUMINESCENT ELEMENT AND ELECTRONIC DEVICE
Publication number
20240130223
Publication date
Apr 18, 2024
Idemitsu Kosan Co., Ltd.
Hiroaki TOYOSHIMA
Information
Patent Application
PHOSPHOR POWDER, WAVELENGTH CONVERSION BODY, AND LIGHT EMITTING DEVICE
Publication number
20240124773
Publication date
Apr 18, 2024
DENKA COMPANY LIMITED
Hiroki BANNO
C01 - INORGANIC CHEMISTRY
Information
Patent Application
ORGANIC ELECTROLUMINESCENT ELEMENT AND ELECTRONIC DEVICE
Publication number
20240130146
Publication date
Apr 18, 2024
Idemitsu Kosan Co.,Ltd
Hiroaki TOYOSHIMA
Information
Patent Application
ORGANIC ELECTROLUMINESCENT ELEMENT AND ELECTRONIC DEVICE
Publication number
20240122064
Publication date
Apr 11, 2024
Idemitsu Kosan Co., Ltd.
Hiroaki TOYOSHIMA
Information
Patent Application
ORGANIC ELECTROLUMINESCENCE DEVICE
Publication number
20240107876
Publication date
Mar 28, 2024
Idemitsu Kosan Co.,Ltd
Hiroaki TOYOSHIMA
C07 - ORGANIC CHEMISTRY
Information
Patent Application
PHOSPHOR POWDER AND LIGHT EMITTING DEVICE
Publication number
20230323201
Publication date
Oct 12, 2023
DENKA COMPANY LIMITED
Hiroki BANNO
F21 - LIGHTING
Information
Patent Application
METHOD FOR MANUFACTURING PHOSPHOR POWDER, PHOSPHOR POWDER, AND LIGH...
Publication number
20230323199
Publication date
Oct 12, 2023
DENKA COMPANY LIMITED
Hiroki BANNO
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
ORGANIC ELECTROLUMINESCENT ELEMENT AND ELECTRONIC DEVICE
Publication number
20230263001
Publication date
Aug 17, 2023
Idemitsu Kosan Co.,Ltd
Hiroaki TOYOSHIMA
Information
Patent Application
ORGANIC ELECTROLUMINESCENT ELEMENT AND ELECTRONIC DEVICE
Publication number
20230240133
Publication date
Jul 27, 2023
Idemitsu Kosan Co.,Ltd
Masato NAKAMURA
Information
Patent Application
COMPOSITION, AND ORGANIC ELECTROLUMINESCENCE DEVICE
Publication number
20230210002
Publication date
Jun 29, 2023
Idemitsu Kosan Co.,Ltd
Shota TANAKA
Information
Patent Application
ORGANIC ELECTROLUMINESCENT ELEMENT AND ELECTRONIC DEVICE
Publication number
20230171977
Publication date
Jun 1, 2023
Idemitsu Kosan Co.,Ltd
Satomi TASAKI
Information
Patent Application
COMPOUND, MATERIAL FOR AN ORGANIC ELECTROLUMINESCENCE DEVICE AND AN...
Publication number
20230120308
Publication date
Apr 20, 2023
Idemitsu Kosan Co., Ltd.
Michelle GROARKE
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ORGANIC ELECTROLUMINESCENCE DEVICE, LIGHT EMITTING DEVICE, ORGANIC...
Publication number
20230036664
Publication date
Feb 2, 2023
Idemitsu Kosan Co.,Ltd
Hiroaki TOYOSHIMA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
COMPOSITION, ORGANIC ELECTROLUMINESCENCE DEVICE, AND ELECTRONIC APP...
Publication number
20220416178
Publication date
Dec 29, 2022
Idemitsu Kosan Co.,Ltd
Hiroaki TOYOSHIMA
C07 - ORGANIC CHEMISTRY
Information
Patent Application
ORGANIC ELECTROLUMINESCENT ELEMENT AND ELECTRONIC DEVICE
Publication number
20220393113
Publication date
Dec 8, 2022
Idemitsu Kosan Co.,Ltd
Satomi TASAKI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
PHOSPHOR, METHOD OF PRODUCING PHOSPHOR, LIGHT-EMITTING ELEMENT, LIG...
Publication number
20220367760
Publication date
Nov 17, 2022
DENKA COMPANY LIMITED
Hiroaki TOYOSHIMA
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
ORGANIC ELECTROLUMINESCENCE DEVICE COMPRISING AN AZINE COMPOUND AND...
Publication number
20220310933
Publication date
Sep 29, 2022
Idemitsu Kosan Co., Ltd.
Michelle GROARKE
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
ORGANIC ELECTROLUMINESCENT ELEMENT EMITTING LIGHT AT HIGH LUMINOUS...
Publication number
20220310930
Publication date
Sep 29, 2022
Idemitsu Kosan Co.,Ltd
Satomi TASAKI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ORGANIC ELECTROLUMINESCENT ELEMENT AND ELECTRONIC DEVICE
Publication number
20210242419
Publication date
Aug 5, 2021
Idemitsu Kosan Co.,Ltd
Masato NAKAMURA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
PHOSPHOR, PRODUCTION METHOD FOR SAME, AND LIGHT-EMITTING DEVICE
Publication number
20210130689
Publication date
May 6, 2021
DENKA COMPANY LIMITED
Masato AKABANE
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
PHOSPHOR AND LIGHT-EMITTING DEVICE USING SAME
Publication number
20210017448
Publication date
Jan 21, 2021
DENKA COMPANY LIMITED
Hiroaki TOYOSHIMA
C01 - INORGANIC CHEMISTRY
Information
Patent Application
Phosphor and Light Emitting Device
Publication number
20180163128
Publication date
Jun 14, 2018
DENKA COMPANY LIMITED
Hiroaki Toyoshima
H01 - BASIC ELECTRIC ELEMENTS