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Ichihara, JP
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Patents Grants
last 30 patents
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Patent Grant
Nitrogenated aromatic heterocyclic derivative and organic electrolu...
Patent number
12,063,851
Issue date
Aug 13, 2024
Idemitsu Kosan Co., Ltd.
Tomoki Kato
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Organic electroluminescence device and electronic apparatus using t...
Patent number
12,063,854
Issue date
Aug 13, 2024
Idemitsu Kosan Co., Ltd.
Yuki Nakano
Information
Patent Grant
Organic electroluminescence element and electronic device
Patent number
12,029,119
Issue date
Jul 2, 2024
Idemitsu Kosan Co., Ltd.
Ryota Takahashi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Organic electroluminescent element and electronic device
Patent number
12,022,728
Issue date
Jun 25, 2024
Idemitsu Kosan Co., Ltd.
Ryota Takahashi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Compound, material for organic electroluminescent elements, organic...
Patent number
11,939,279
Issue date
Mar 26, 2024
Idemitsu Kosan Co., Ltd.
Tomoki Kato
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Material for organic electroluminescence device and organic electro...
Patent number
11,895,917
Issue date
Feb 6, 2024
Idemitsu Kosan Co., Ltd.
Tomoki Kato
H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Organic electroluminescent element and electronic device
Patent number
11,552,251
Issue date
Jan 10, 2023
Idemitsu Kosan Co., Ltd.
Ryota Takahashi
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Compound, organic electroluminescence device and electronic device
Patent number
11,489,123
Issue date
Nov 1, 2022
Idemitsu Kosan Co., Ltd.
Ryota Takahashi
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Aromatic amine derivative, and organic electroluminescent element u...
Patent number
11,444,246
Issue date
Sep 13, 2022
Idemitsu Kosan Co., Ltd.
Tomoki Kato
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Aromatic amine derivative, and organic electroluminescent element u...
Patent number
11,362,279
Issue date
Jun 14, 2022
Idemitsu Kosan Co., Ltd.
Tomoki Kato
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Aromatic amine derivative, and organic electroluminescent element
Patent number
11,345,686
Issue date
May 31, 2022
Idemitsu Kosan Co., Ltd.
Tomoki Kato
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Compounds for organic electroluminescence device
Patent number
11,342,512
Issue date
May 24, 2022
Idemitsu Kosan Co., Ltd.
Yuki Nakano
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Aromatic amine derivatives and organic electroluminescent elements...
Patent number
11,335,858
Issue date
May 17, 2022
Idemitsu Kosan Co., Ltd.
Tomoki Kato
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Compound, material for organic electroluminescence elements, organi...
Patent number
11,283,025
Issue date
Mar 22, 2022
Idemitsu Kosan Co., Ltd.
Taro Yamaki
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Compound and organic electroluminescence device
Patent number
11,139,437
Issue date
Oct 5, 2021
Idemitsu Kosan Co., Ltd.
Keita Seda
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Compound, material for organic electroluminescent elements, organic...
Patent number
11,117,857
Issue date
Sep 14, 2021
Idemitsu Kosan Co., Ltd.
Tomoki Kato
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Material for organic electroluminescence device and organic electro...
Patent number
11,069,862
Issue date
Jul 20, 2021
Idemitsu Kosan Co., Ltd.
Tomoki Kato
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Aromatic amine derivative, and organic electroluminescent element u...
Patent number
10,985,325
Issue date
Apr 20, 2021
Idemitsu Kosan Co., Ltd.
Tomoki Kato
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Compound, material for organic electroluminescence devices, organic...
Patent number
10,944,057
Issue date
Mar 9, 2021
Idemitsu Kosan Co., Ltd.
Tomoki Kato
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Compound, material for organic electroluminescent element, organic...
Patent number
10,854,822
Issue date
Dec 1, 2020
Idemitsu Kosan Co., Ltd.
Tomoki Kato
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Organic electroluminescence device and electronic apparatus provide...
Patent number
10,811,612
Issue date
Oct 20, 2020
Idemitsu Kosan Co., Ltd.
Yuki Nakano
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Organic electroluminescence device and electronic apparatus provide...
Patent number
10,804,474
Issue date
Oct 13, 2020
Idemitsu Kosan Co., Ltd.
Yuki Nakano
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Compound, material for organic electroluminescent element, organic...
Patent number
10,797,244
Issue date
Oct 6, 2020
Idemitsu Kosan Co., Ltd.
Tomoharu Hayama
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Organic electroluminescence device and electronic apparatus provide...
Patent number
10,777,752
Issue date
Sep 15, 2020
Idemitsu Kosan Co., Ltd.
Yuki Nakano
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Organic electroluminescence device and electronic apparatus provide...
Patent number
10,763,444
Issue date
Sep 1, 2020
Idemitsu Kosan Co., Ltd.
Yuki Nakano
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Organic electroluminescence device and electronic apparatus provide...
Patent number
10,763,441
Issue date
Sep 1, 2020
Idemitsu Kosan Co., Ltd.
Yuki Nakano
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Compound, material for organic electroluminescence devices, organic...
Patent number
10,756,275
Issue date
Aug 25, 2020
Idemitsu Kosan Co., Ltd.
Tomoki Kato
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Compound, material for organic electroluminescence device, organic...
Patent number
10,703,762
Issue date
Jul 7, 2020
Idemitsu Kosan Co., Ltd.
Yu Kudo
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Compound, organic electroluminescent element material, organic elec...
Patent number
10,516,112
Issue date
Dec 24, 2019
Idemitsu Kosan Co., Ltd.
Tomoki Kato
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Compound, material for organic electroluminescence elements, organi...
Patent number
10,464,895
Issue date
Nov 5, 2019
Idemitsu Kosan Co., Ltd.
Tomoki Kato
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
NITROGENATED AROMATIC HETEROCYCLIC DERIVATIVE AND ORGANIC ELECTROLU...
Publication number
20240357923
Publication date
Oct 24, 2024
Idemitsu Kosan Co., Ltd.
Tomoki Kato
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
ORGANIC ELECTROLUMINESCENT ELEMENT AND ELECTRONIC DEVICE
Publication number
20240306490
Publication date
Sep 12, 2024
Idemitsu Kosan Co.,Ltd
Ryota TAKAHASHI
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENT ELEMINTS, ORGANIC...
Publication number
20240166592
Publication date
May 23, 2024
Idemitsu Kosan Co.,Ltd
Tomoki KATO
C07 - ORGANIC CHEMISTRY
Information
Patent Application
COMPOUND, ORGANIC ELECTROLUMINESCENCE ELEMENT, AND ELECTRONIC DEVICE
Publication number
20230345816
Publication date
Oct 26, 2023
Idemitsu Kosan Co.,Ltd
Yuki NAKANO
C07 - ORGANIC CHEMISTRY
Information
Patent Application
ORGANIC ELECTROLUMINESCENCE DEVICE AND ELECTRONIC APPARATUS PROVIDE...
Publication number
20230019712
Publication date
Jan 19, 2023
Idemitsu Kosan Co.,Ltd
Yuki NAKANO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
NOVEL COMPOUND, ORGANIC ELECTROLUMINESCENCE DEVICE, AND ELECTRONIC...
Publication number
20230020436
Publication date
Jan 19, 2023
Idemitsu Kosan Co.,Ltd
Yuki NAKANO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ORGANIC ELECTROLUMINESCENCE DEVICE AND ELECTRONIC APPARATUS PROVIDE...
Publication number
20230011996
Publication date
Jan 12, 2023
Idemitsu Kosan Co., Ltd.
Yuki NAKANO
C07 - ORGANIC CHEMISTRY
Information
Patent Application
NOVEL COMPOUND, ORGANIC ELECTROLUMINESCENCE DEVICE AND ELECTRONIC A...
Publication number
20220411437
Publication date
Dec 29, 2022
IDEMITSU KOSAN CO.,LTD.
Yuki NAKANO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
MATERIAL FOR ORGANIC ELECTROLUMINESCENCE DEVICE AND ORGANIC ELECTRO...
Publication number
20220407018
Publication date
Dec 22, 2022
Idemitsu Kosan Co., Ltd.
Tomoki Kato
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
AROMATIC AMINE DERIVATIVE, AND ORGANIC ELECTROLUMINESCENT ELEMENT U...
Publication number
20220285620
Publication date
Sep 8, 2022
Idemitsu Kosan Co., Ltd.
Tomoki KATO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ORGANIC ELECTROLUMINESCENT ELEMENT AND ELECTRONIC DEVICE
Publication number
20220278283
Publication date
Sep 1, 2022
Idemitsu Kosan Co., Ltd.
Ryota TAKAHASHI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
AROMATIC AMINE DERIVATIVES AND ORGANIC ELECTROLUMINESCENT ELEMENTS...
Publication number
20220255005
Publication date
Aug 11, 2022
Idemitsu Kosan Co.,Ltd
Tomoki KATO
C07 - ORGANIC CHEMISTRY
Information
Patent Application
NOVEL COMPOUND, ORGANIC ELECTROLUMINESCENCE DEVICE AND ELECTRONIC A...
Publication number
20220169656
Publication date
Jun 2, 2022
Idemitsu Kosan Co., Ltd.
Yuki NAKANO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ORGANIC ELECTROLUMINESCENCE DEVICE AND ELECTRONIC APPARATUS USING T...
Publication number
20220059775
Publication date
Feb 24, 2022
Idemitsu Kosan Co.,Ltd
Yuki NAKANO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
NOVEL COMPOUND AND ORGANIC ELECTROLUMINESCENCE DEVICE
Publication number
20220020925
Publication date
Jan 20, 2022
Idemitsu Kosan Co.,Ltd
Yuki NAKANO
C07 - ORGANIC CHEMISTRY
Information
Patent Application
ORGANIC ELECTROLUMINESCENCE DEVICE AND ELECTRONIC APPARATUS PROVIDE...
Publication number
20210384430
Publication date
Dec 9, 2021
IDEMITSU KOSAN CO.,LTD.
Yuki NAKANO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENT ELEMINTS, ORGANIC...
Publication number
20210363096
Publication date
Nov 25, 2021
Idemitsu Kosan Co., Ltd.
Tomoki KATO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ORGANIC ELECTROLUMINESCENCE DEVICE AND ELECTRONIC APPLIANCE USING T...
Publication number
20210296591
Publication date
Sep 23, 2021
Idemitsu Kosan Co.,Ltd
Yuki NAKANO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
RESIN COMPOSITION, RESIN CURED PRODUCT, AND COMPOSITE MOLDED BODY
Publication number
20210206943
Publication date
Jul 8, 2021
MITSUBISHI CHEMICAL CORPORATION
Akinori KIMURA
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Patent Application
NOVEL COMPOUND AND ORGANIC ELECTROLUMINESCENCE DEVICE
Publication number
20210066599
Publication date
Mar 4, 2021
Idemitsu Kosan Co.,Ltd
Yuki NAKANO
C07 - ORGANIC CHEMISTRY
Information
Patent Application
NOVEL COMPOUND AND ORGANIC ELECTROLUMINESCENCE DEVICE
Publication number
20210062078
Publication date
Mar 4, 2021
Idemitsu Kosan Co.,Ltd
Tomoki KATO
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
ORGANIC ELECTROLUMINESCENSE DEVICE AND ELECTRONIC APPARATUS
Publication number
20200365808
Publication date
Nov 19, 2020
Idemitsu Kosan Co.,Ltd
Yuki NAKANO
C07 - ORGANIC CHEMISTRY
Information
Patent Application
AROMATIC AMINE DERIVATIVE, AND ORGANIC ELECTROLUMINESCENT ELEMENT U...
Publication number
20200321526
Publication date
Oct 8, 2020
IDEMITSU KOSAN CO., LTD.
Tomoki KATO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
AROMATIC AMINE DERIVATIVE, AND ORGANIC ELECTROLUMINESCENT ELEMENT U...
Publication number
20200313090
Publication date
Oct 1, 2020
IDEMITSU KOSAN CO., LTD.
Tomoki KATO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
COMPOUND, ORGANIC ELECTROLUMINESCENT ELEMENT, AND ELECTRONIC DEVICE
Publication number
20200181160
Publication date
Jun 11, 2020
Idemitsu Kosan Co., Ltd.
Yuki NAKANO
C07 - ORGANIC CHEMISTRY
Information
Patent Application
COMPOUND, ORGANIC ELECTROLUMINESCENT ELEMENT, AND ELECTRONIC DEVICE
Publication number
20200185620
Publication date
Jun 11, 2020
Idemitsu Kosan Co., Ltd.
Yuki NAKANO
C07 - ORGANIC CHEMISTRY
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Patent Application
ORGANIC ELECTROLUMINESCENCE DEVICE AND ELECTRONIC APPARATUS PROVIDE...
Publication number
20200111965
Publication date
Apr 9, 2020
Idemitsu Kosan Co., Ltd.
Yuki NAKANO
C07 - ORGANIC CHEMISTRY
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Patent Application
ORGANIC ELECTROLUMINESCENCE DEVICE AND ELECTRONIC APPARATUS PROVIDE...
Publication number
20200111972
Publication date
Apr 9, 2020
Idemitsu Kosan Co., Ltd.
Yuki NAKANO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ORGANIC ELECTROLUMINESCENCE DEVICE AND ELECTRONIC APPARATUS PROVIDE...
Publication number
20200111973
Publication date
Apr 9, 2020
Idemitsu Kosan Co., Ltd.
Yuki NAKANO
C07 - ORGANIC CHEMISTRY
Information
Patent Application
ORGANIC ELECTROLUMINESCENCE DEVICE AND ELECTRONIC APPARATUS PROVIDE...
Publication number
20200111962
Publication date
Apr 9, 2020
Idemitsu Kosan Co., Ltd.
Yuki NAKANO
H01 - BASIC ELECTRIC ELEMENTS