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Ryoji Maeda
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Sodegaura-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Compound, material for organic electroluminescent element, organic...
Patent number
11,903,308
Issue date
Feb 13, 2024
Idemitsu Kosan Co., Ltd.
Kei Yoshida
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Organic electroluminescent element and electronic device
Patent number
11,723,266
Issue date
Aug 8, 2023
Idemitsu Kosan Co., Ltd.
Ryoji Maeda
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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
Organic electroluminescence device and electronic apparatus
Patent number
11,482,675
Issue date
Oct 25, 2022
Idemitsu Kosan Co., Ltd.
Satomi Tasaki
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Mixture, organic electroluminescence device and electronic equipment
Patent number
11,393,986
Issue date
Jul 19, 2022
Idemitsu Kosan Co., Ltd.
Ryoji Maeda
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Mixture, organic electroluminescence device and electronic equipment
Patent number
11,069,861
Issue date
Jul 20, 2021
Idemitsu Kosan Co., Ltd.
Ryoji Maeda
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Indenopyrene compound, organic thin film solar cell material using...
Patent number
8,759,590
Issue date
Jun 24, 2014
Idemitsu Kosan Co., Ltd.
Hidetsugu Ikeda
B82 - NANO-TECHNOLOGY
Patents Applications
last 30 patents
Information
Patent Application
ORGANIC ELECTROLUMINESCENCE DEVICE AND ELECTRONIC APPARATUS
Publication number
20230047477
Publication date
Feb 16, 2023
Idemitsu Kosan Co.,Ltd
Satomi TASAKI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ORGANIC ELECTROLUMINESCENCE ELEMENT, COMPOSITION, POWDER, ELECTRONI...
Publication number
20220393110
Publication date
Dec 8, 2022
IDEMITSU KOSAN CO.,LTD.
Yongguk LEE
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENT ELEMENTS, ORGANIC...
Publication number
20220384734
Publication date
Dec 1, 2022
Idemitsu Kosan Co.,Ltd
Tomokatsu KUSHIDA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ORGANIC ELECTROLUMINESCENCE DEVICE AND ELECTRONIC APPARATUS
Publication number
20220376183
Publication date
Nov 24, 2022
Idemitsu Kosan Co.,Ltd
Yongguk LEE
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
ORGANIC ELECTROLUMINESCENT ELEMENT AND ELECTRONIC DEVICE
Publication number
20220348522
Publication date
Nov 3, 2022
Idemitsu Kosan Co.,Ltd
Satomi TASAKI
H01 - BASIC ELECTRIC ELEMENTS
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 ELECTROLUMINESCENCE DEVICE AND ELECTRONIC APPARATUS
Publication number
20220285625
Publication date
Sep 8, 2022
Idemitsu Kosan Co.,Ltd
Satomi TASAKI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENT ELEMENT, ORGANIC...
Publication number
20210359217
Publication date
Nov 18, 2021
IDEMITSU KOSAN CO.,LTD.
Kei YOSHIDA
C07 - ORGANIC CHEMISTRY
Information
Patent Application
MIXTURE, ORGANIC ELECTROLUMINESCENCE DEVICE AND ELECTRONIC EQUIPMENT
Publication number
20210328156
Publication date
Oct 21, 2021
Idemitsu Kosan Co.,Ltd
Ryoji MAEDA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ORGANIC ELECTROLUMINESCENT ELEMENT AND ELECTRONIC DEVICE
Publication number
20210091313
Publication date
Mar 25, 2021
Idemitsu Kosan Co.,Ltd
Ryoji MAEDA
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
MIXTURE, ORGANIC ELECTROLUMINESCENCE DEVICE AND ELECTRONIC EQUIPMENT
Publication number
20210043850
Publication date
Feb 11, 2021
Idemitsu Kosan Co.,Ltd
Ryoji MAEDA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ORGANIC THIN-FILM SOLAR CELL AND ORGANIC THIN-FILM SOLAR CELL MODULE
Publication number
20140014183
Publication date
Jan 16, 2014
Idemitsu Kosan Co., Ltd.
Ryoji Maeda
B82 - NANO-TECHNOLOGY
Information
Patent Application
PHENANTHROLINE COMPOUND, ELECTRON TRANSPORT MATERIAL OBTAINED FROM...
Publication number
20130180590
Publication date
Jul 18, 2013
Keiichi Yasukawa
B82 - NANO-TECHNOLOGY
Information
Patent Application
ORGANIC SOLAR BATTERY
Publication number
20110253206
Publication date
Oct 20, 2011
Idemitsu Kosan Co., Ltd.
Ryoji Maeda
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Application
INDENOPYRENE COMPOUND, ORGANIC THIN FILM SOLAR CELL MATERIAL USING...
Publication number
20110240125
Publication date
Oct 6, 2011
Idemitsu Kosan Co., Ltd.
Hidetsugu Ikeda
C07 - ORGANIC CHEMISTRY