Hirokatsu Ito

Person

Ibaraki, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Compound, material for organic electroluminescent elements, organic...
- Patent number 12,069,943
- Issue date Aug 20, 2024
- Idemitsu Kosan Co., Ltd.
- Tasuku Haketa
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Compound, material for organic electroluminescent elements, organic...
- Patent number 12,048,242
- Issue date Jul 23, 2024
- Idemitsu Kosan Co., Ltd.
- Yusuke Takahashi
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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
Compound, material for organic electroluminescent elements, organic...
- Patent number 11,744,149
- Issue date Aug 29, 2023
- Idemitsu Kosan Co., Ltd.
- Yusuke Takahashi
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Compound having dibenzofuran and naphthalene structures, and organi...
- Patent number 11,730,054
- Issue date Aug 15, 2023
- Idemitsu Kosan Co., Ltd.
- Hirokatsu Ito
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Compound, material for organic electroluminescent elements, organic...
- Patent number 11,678,569
- Issue date Jun 13, 2023
- Idemitsu Kosan Co., Ltd.
- Hiroaki Itoi
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Organic electroluminescence element and electronic device
- Patent number 11,665,962
- Issue date May 30, 2023
- Idemitsu Kosan Co., Ltd.
- Yuki Nakano
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Compound, material for organic electroluminescence devices, organic...
- Patent number 11,618,740
- Issue date Apr 4, 2023
- Idemitsu Kosan Co., Ltd.
- Yu Kudo
- H01 - BASIC ELECTRIC ELEMENTS
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, material for organic electroluminescence device, organic...
- Patent number 11,548,877
- Issue date Jan 10, 2023
- Idemitsu Kosan Co., Ltd.
- Hirokatsu Ito
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Organic electroluminescence device
- Patent number RE49343
- Issue date Dec 20, 2022
- Idemitsu Kosan Co., Ltd.
- Masahiro Kawamura
Information Patent Grant
Compound, material for organic electroluminescence element, organic...
- Patent number 11,479,544
- Issue date Oct 25, 2022
- Idemitsu Kosan Co., Ltd.
- Hirokatsu Ito
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
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, 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
Compound, material for organic electroluminescent devices, organic...
- Patent number 11,053,437
- Issue date Jul 6, 2021
- Idemitsu Kosan Co., Ltd.
- Yu Kudo
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Compound, material for organic electroluminescent element, organic...
- Patent number 11,053,229
- Issue date Jul 6, 2021
- Idemitsu Kosan Co., Ltd.
- Hirokatsu Ito
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Pyrene derivative, organic light-emitting medium, and organic elect...
- Patent number 10,964,891
- Issue date Mar 30, 2021
- Idemitsu Kosan Co., Ltd.
- Yumiko Mizuki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Organic electroluminescence device and electronic device
- Patent number 10,941,144
- Issue date Mar 9, 2021
- Idemitsu Kosan Co., Ltd.
- Tasuku Haketa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Compound, material for organic electroluminescence devices, organic...
- Patent number 10,840,456
- Issue date Nov 17, 2020
- Idemitsu Kosan Co., Ltd.
- Tasuku Haketa
- 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
Compound, organic electroluminescence element material, organic ele...
- Patent number 10,784,446
- Issue date Sep 22, 2020
- Idemitsu Kosan Co., Ltd.
- Tomoharu Hayama
- 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, and electronic device
- Patent number 10,622,569
- Issue date Apr 14, 2020
- Idemitsu Kosan Co., Ltd.
- Tasuku Haketa
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Aromatic amine derivative, material for organic electroluminescent...
- Patent number 10,566,541
- Issue date Feb 18, 2020
- Idemitsu Kosan Co., Ltd.
- Yumiko Mizuki
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Compound, organic electroluminescent material, organic electrolumin...
- Patent number 10,547,007
- Issue date Jan 28, 2020
- Idemitsu Kosan Co., Ltd.
- Tasuku Haketa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Organic electroluminescence device
- Patent number RE47654
- Issue date Oct 22, 2019
- IDEMITSU KOASN CO., LTD.
- Yuichiro Kawamura
Information Patent Grant
Organic electroluminecence device
- Patent number 10,435,350
- Issue date Oct 8, 2019
- Idemitsu Kosan Co., Ltd.
- Hirokatsu Ito
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Compound, material for organic electroluminescence devices, organic...
- Patent number 10,424,740
- Issue date Sep 24, 2019
- Idemitsu Kosan Co., Ltd.
- Tasuku Haketa
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Organic electroluminescent element and electronic device
- Patent number 10,396,288
- Issue date Aug 27, 2019
- Idemitsu Kosan Co., Ltd.
- Hirokatsu Ito
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

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, MATERIAL FOR ORGANIC ELECTROLUMINESCENT ELEMENTS, ORGANIC...
- Publication number 20230227397
- Publication date Jul 20, 2023
- IDEMITSU KOSAN CO.,LTD.
- Yusuke TAKAHASHI
- C07 - ORGANIC CHEMISTRY
Information Patent Application
COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENT ELEMENTS, ORGANIC...
- Publication number 20230200222
- Publication date Jun 22, 2023
- Idemitsu Kosan Co.,Ltd
- Hiroaki ITOI
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENT ELEMENTS, ORGANIC...
- Publication number 20230172058
- Publication date Jun 1, 2023
- IDEMITSU KOSAN CO.,LTD.
- Tasuku HAKETA
- C07 - ORGANIC CHEMISTRY
Information Patent Application
COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENCE DEVICES, ORGANIC...
- Publication number 20230159479
- Publication date May 25, 2023
- Idemitsu Kosan Co.,Ltd
- Yu KUDO
- C07 - ORGANIC CHEMISTRY
Information Patent Application
COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENCE ELEMENT, ORGANIC...
- Publication number 20230118654
- Publication date Apr 20, 2023
- IDEMITSU KOSAN CO.,LTD.
- Tasuku HAKETA
- C07 - ORGANIC CHEMISTRY
Information Patent Application
COMPOUND AND ORGANIC ELECTROLUMINESCENT ELEMENT USING SAME
- Publication number 20230047512
- Publication date Feb 16, 2023
- Idemitsu Kosan Co.,Ltd
- Hirokatsu ITO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENT ELEMENTS, ORGANIC...
- Publication number 20230024273
- Publication date Jan 26, 2023
- IDEMITSU KOSAN CO.,LTD.
- Yusuke TAKAHASHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENT ELEMENT, ORGANIC...
- Publication number 20230026162
- Publication date Jan 26, 2023
- IDEMITSU KOSAN CO.,LTD.
- Tasuku HAKETA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENT ELEMENTS, ORGANIC...
- Publication number 20230023811
- Publication date Jan 26, 2023
- IDEMITSU KOSAN CO.,LTD.
- Yusuke TAKAHASHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
COMPOUND, ORGANIC ELECTROLUMINESCENT ELEMENT MATERIAL, ORGANIC ELEC...
- Publication number 20230006136
- Publication date Jan 5, 2023
- IDEMITSU KOSAN CO.,LTD.
- Yusuke TAKAHASHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENT ELEMENTS, ORGANIC...
- Publication number 20220399505
- Publication date Dec 15, 2022
- IDEMITSU KOSAN CO., LTD.
- Yusuke Takahashi
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENCE DEVICE, ORGANIC...
- Publication number 20220396570
- Publication date Dec 15, 2022
- Idemitsu Kosan Co.,Ltd
- Hirokatsu ITO
- 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
COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENT ELEMENTS, ORGANIC...
- Publication number 20220246857
- Publication date Aug 4, 2022
- IDEMITSU KOSAN CO.,LTD.
- Yusuke TAKAHASHI
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENT ELEMENTS, ORGANIC...
- Publication number 20220238805
- Publication date Jul 28, 2022
- Idemitsu Kosan Co., Ltd.
- Hiroaki ITOI
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENT ELEMENTS, ORGANIC...
- Publication number 20220045272
- Publication date Feb 10, 2022
- IDEMITSU KOSAN CO., LTD.
- Tasuku HAKETA
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
ORGANIC ELECTROLUMINESCENCE ELEMENT AND ELECTRONIC DEVICE
- Publication number 20210384445
- 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
COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENT ELEMENT, ORGANIC...
- Publication number 20210253546
- Publication date Aug 19, 2021
- IDEMITSU KOSAN CO.,LTD.
- Hirokatsu ITO
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENT ELEMENTS, ORGANIC...
- Publication number 20210094937
- Publication date Apr 1, 2021
- IDEMITSU KOSAN CO.,LTD.
- Hirokatsu ITO
- C07 - ORGANIC CHEMISTRY
Information Patent Application
COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENT DEVICES, ORGANIC...
- Publication number 20210062082
- Publication date Mar 4, 2021
- Idemitsu Kosan Co., Ltd.
- Yu Kudo
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Application
COMPOUND AND ORGANIC ELECTROLUMINESCENT ELEMENT USING SAME
- Publication number 20210066611
- Publication date Mar 4, 2021
- IDEMITSU KOSAN CO, LTD.
- Hirokatsu ITO
- C07 - ORGANIC CHEMISTRY
Information Patent Application
COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENT ELEMENT, ORGANIC...
- Publication number 20200392122
- Publication date Dec 17, 2020
- IDEMITSU KOSAN CO., LTD.
- Hirokatsu ITO
- C07 - ORGANIC CHEMISTRY
Information Patent Application
COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENCE DEVICE, ORGANIC...
- Publication number 20200317653
- Publication date Oct 8, 2020
- IDEMITSU KOSAN CO., LTD.
- Hirokatsu Ito
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENCE DEVICES, ORGANIC...
- Publication number 20200290985
- Publication date Sep 17, 2020
- IDEMITSU KOSAN CO., LTD.
- Yu KUDO
- C07 - ORGANIC CHEMISTRY
Information Patent Application
COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENCE ELEMENT, ORGANIC...
- Publication number 20200024263
- Publication date Jan 23, 2020
- IDEMITSU KOSAN CO., LTD.
- Hirokatsu ITO
- C07 - ORGANIC CHEMISTRY
Information Patent Application
COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENCE DEVICES, ORGANIC...
- Publication number 20190088879
- Publication date Mar 21, 2019
- Idemitsu Kosan Co., Ltd.
- Tasuku HAKETA
- C07 - ORGANIC CHEMISTRY
Information Patent Application
ORGANIC ELECTROLUMINESCENT ELEMENT AND ELECTRONIC DEVICE
- Publication number 20190051835
- Publication date Feb 14, 2019
- IDEMITSU KOSAN CO., LTD.
- Ryota TAKAHASHI
- C07 - ORGANIC CHEMISTRY

Hirokatsu Ito

Person

Patents Grantslast 30 patents

Compound, material for organic electroluminescent elements, organic...

Compound, material for organic electroluminescent elements, organic...

Organic electroluminescent element and electronic device

Compound, material for organic electroluminescent elements, organic...

Compound, material for organic electroluminescent elements, organic...

Compound having dibenzofuran and naphthalene structures, and organi...

Compound, material for organic electroluminescent elements, organic...

Organic electroluminescence element and electronic device

Compound, material for organic electroluminescence devices, organic...

Organic electroluminescent element and electronic device

Compound, material for organic electroluminescence device, organic...

Organic electroluminescence device

Compound, material for organic electroluminescence element, organic...

Compound, material for organic electroluminescence elements, organi...

Compound, material for organic electroluminescent elements, organic...

Compound, material for organic electroluminescent devices, organic...

Compound, material for organic electroluminescent element, organic...

Pyrene derivative, organic light-emitting medium, and organic elect...

Organic electroluminescence device and electronic device

Compound, material for organic electroluminescence devices, organic...

Compound, material for organic electroluminescent element, organic...

Compound, organic electroluminescence element material, organic ele...

Compound, material for organic electroluminescence device, organic...

Compound, organic electroluminescent element, and electronic device

Aromatic amine derivative, material for organic electroluminescent...

Compound, organic electroluminescent material, organic electrolumin...

Organic electroluminescence device

Organic electroluminecence device

Compound, material for organic electroluminescence devices, organic...

Organic electroluminescent element and electronic device

Patents Applicationslast 30 patents

ORGANIC ELECTROLUMINESCENT ELEMENT AND ELECTRONIC DEVICE

COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENT ELEMINTS, ORGANIC...

COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENT ELEMENTS, ORGANIC...

COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENT ELEMENTS, ORGANIC...

COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENT ELEMENTS, ORGANIC...

COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENCE DEVICES, ORGANIC...

COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENCE ELEMENT, ORGANIC...

COMPOUND AND ORGANIC ELECTROLUMINESCENT ELEMENT USING SAME

COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENT ELEMENTS, ORGANIC...

COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENT ELEMENT, ORGANIC...

COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENT ELEMENTS, ORGANIC...

COMPOUND, ORGANIC ELECTROLUMINESCENT ELEMENT MATERIAL, ORGANIC ELEC...

COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENT ELEMENTS, ORGANIC...

COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENCE DEVICE, ORGANIC...

ORGANIC ELECTROLUMINESCENT ELEMENT AND ELECTRONIC DEVICE

COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENT ELEMENTS, ORGANIC...

COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENT ELEMENTS, ORGANIC...

COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENT ELEMENTS, ORGANIC...

ORGANIC ELECTROLUMINESCENCE ELEMENT AND ELECTRONIC DEVICE

COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENT ELEMINTS, ORGANIC...

COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENT ELEMENT, ORGANIC...

COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENT ELEMENTS, ORGANIC...

COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENT DEVICES, ORGANIC...

COMPOUND AND ORGANIC ELECTROLUMINESCENT ELEMENT USING SAME

COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENT ELEMENT, ORGANIC...

COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENCE DEVICE, ORGANIC...

COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENCE DEVICES, ORGANIC...

COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENCE ELEMENT, ORGANIC...

COMPOUND, MATERIAL FOR ORGANIC ELECTROLUMINESCENCE DEVICES, ORGANIC...

ORGANIC ELECTROLUMINESCENT ELEMENT AND ELECTRONIC DEVICE