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Kouki Kase
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Tsukuba-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Organic electroluminescent element and method for producing same
Patent number
11,997,870
Issue date
May 28, 2024
Hodogaya Chemical Co., Ltd.
Kouki Kase
Information
Patent Grant
Organic EL device, amine compound having benzazole ring structure,...
Patent number
11,974,499
Issue date
Apr 30, 2024
Hodogaya Chemical Co., Ltd.
Kouki Kase
Information
Patent Grant
Compound having triarylamine structure and organic electroluminesce...
Patent number
11,925,108
Issue date
Mar 5, 2024
Hodogaya Chemical Co., Ltd.
Takuya Uehara
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Organic electroluminescent device
Patent number
11,925,107
Issue date
Mar 5, 2024
Hodogaya Chemical Co., Ltd.
Kazuyuki Suruga
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Organic electroluminescent element and method for producing same
Patent number
11,706,943
Issue date
Jul 18, 2023
Hodogaya Chemical Co., Ltd.
Kouki Kase
Information
Patent Grant
Organic electroluminescence device
Patent number
11,578,065
Issue date
Feb 14, 2023
Hodogaya Chemical Co., Ltd.
Kazuyuki Suruga
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Organic electroluminescence device that includes compound having be...
Patent number
11,437,583
Issue date
Sep 6, 2022
Hodogaya Chemical Co., Ltd.
Kouki Kase
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Aryldiamine compound and organic electroluminescent element
Patent number
11,407,709
Issue date
Aug 9, 2022
Hodogaya Chemical Co., Ltd.
Takeshi Yamamoto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Benzopyridoindole derivative and organic electroluminescent element
Patent number
9,837,620
Issue date
Dec 5, 2017
Hodogaya Chemical Co., Ltd.
Makoto Nagaoka
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Compound having triphenylamine structure, and organic electrolumine...
Patent number
9,196,839
Issue date
Nov 24, 2015
Hodogaya Chemical Co., Ltd.
Norimasa Yokoyama
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Compound having indenocarbazole ring structure, and organic electro...
Patent number
9,196,837
Issue date
Nov 24, 2015
Hodogaya Chemical Co., Ltd.
Norimasa Yokoyama
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Compound having a substituted anthracene ring structure and pyridoi...
Patent number
8,748,014
Issue date
Jun 10, 2014
Hodogaya Chemical Co., Ltd.
Norimasa Yokoyama
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
ORGANIC ELECTROLUMINESCENT DEVICE, AND ELECTRONIC APPARATUS
Publication number
20240179930
Publication date
May 30, 2024
Hodogaya Chemical Co., Ltd.
Takeshi Yamamoto
Information
Patent Application
COMPOUND AND ORGANIC ELECTROLUMINESCENT ELEMENT USING SAID COMPOUND
Publication number
20240116914
Publication date
Apr 11, 2024
Hodogaya Chemical Co., Ltd.
Eriko CHIBA
C07 - ORGANIC CHEMISTRY
Information
Patent Application
HETEROCYCLIC COMPOUND, ORGANIC ELECTROLUMINESCENT DEVICE, AND ELECT...
Publication number
20240049595
Publication date
Feb 8, 2024
Hodogaya Chemical Co., Ltd.
Takeshi Yamamoto
C07 - ORGANIC CHEMISTRY
Information
Patent Application
ARYLAMINE COMPOUND, ORGANIC ELECTROLUMINESCENT ELEMENT, AND ELECTRO...
Publication number
20230422536
Publication date
Dec 28, 2023
Hodogaya Chemical Co., Ltd.
Kouki KASE
C07 - ORGANIC CHEMISTRY
Information
Patent Application
ORGANIC ELECTROLUMINESCENT DEVICE
Publication number
20230354629
Publication date
Nov 2, 2023
Hodogaya Chemical Co., Ltd.
Yuta Hirayama
Information
Patent Application
ORGANIC ELECTROLUMINESCENT ELEMENT AND METHOD FOR PRODUCING SAME
Publication number
20230309339
Publication date
Sep 28, 2023
Hodogaya Chemical Co., Ltd.
Kouki KASE
Information
Patent Application
ORGANIC ELECTROLUMINESCENT DEVICE
Publication number
20230255103
Publication date
Aug 10, 2023
Hodogaya Chemical Co., Ltd.
Eriko CHIBA
C07 - ORGANIC CHEMISTRY
Information
Patent Application
ORGANIC ELECTROLUMINESCENCE ELEMENT
Publication number
20230247850
Publication date
Aug 3, 2023
Hodogaya Chemical Co., Ltd.
Yuta HIRAYAMA
Information
Patent Application
ORGANIC ELECTROLUMINESCENT ELEMENT
Publication number
20230180598
Publication date
Jun 8, 2023
Hodogaya Chemical Co., Ltd.
Yuta HIRAYAMA
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
ORGANIC ELECTROLUMINESCENT DEVICE
Publication number
20230138055
Publication date
May 4, 2023
Hodogaya Chemical Co., Ltd.
Junichi Izumida
C07 - ORGANIC CHEMISTRY
Information
Patent Application
ARYLAMINE COMPOUND AND ORGANIC ELECTROLUMINESCENT ELEMENT
Publication number
20230112128
Publication date
Apr 13, 2023
Hodogaya Chemical Co., Ltd.
Kouki KASE
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ARYLAMINE COMPOUND AND ELECTRONIC APPARATUS USING SAME
Publication number
20230099897
Publication date
Mar 30, 2023
Hodogaya Chemical Co., Ltd.
Kouki KASE
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ORGANIC ELECTROLUMINESCENT ELEMENT
Publication number
20230101400
Publication date
Mar 30, 2023
Hodogaya Chemical Co., Ltd.
Junichi IZUMIDA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ORGANIC ELECTROLUMINESCENT ELEMENT
Publication number
20230095238
Publication date
Mar 30, 2023
Hodogaya Chemical Co., Ltd.
Yuta HIRAYAMA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ORGANIC ELECTROLUMINESCENT DEVICE
Publication number
20220416165
Publication date
Dec 29, 2022
Hodogaya Chemical Co., Ltd.
Kazuyuki Suruga
C07 - ORGANIC CHEMISTRY
Information
Patent Application
COMPOUND HAVING BENZOTRIAZOLE RING STRUCTURE AND ORGANIC ELECTROLUM...
Publication number
20220220083
Publication date
Jul 14, 2022
Hodogaya Chemical Co., Ltd.
Kouki KASE
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ARYLAMINE COMPOUND HAVING BENZOAZOLE RING STRUCTURE, AND ORGANIC EL...
Publication number
20220119360
Publication date
Apr 21, 2022
Hodogaya Chemical Co., Ltd.
Shunji MOCHIZUKI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
COMPOUND HAVING PYRIMIDINE RING STRUCTURE AND ORGANIC ELECTROLUMINE...
Publication number
20220052268
Publication date
Feb 17, 2022
Hodogaya Chemical Co., Ltd.
Kouki KASE
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
COMPOUND HAVING BENZAZOLE RING STRUCTURE, AND ORGANIC ELECTROLUMINE...
Publication number
20220052273
Publication date
Feb 17, 2022
Hodogaya Chemical Co., Ltd.
Kouki KASE
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
COMPOUND HAVING AZABENZOXAZOLE RING STRUCTURE AND ORGANIC ELECTROLU...
Publication number
20210395269
Publication date
Dec 23, 2021
Hodogaya Chemical Co., Ltd.
Kouki KASE
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ORGANIC ELECTROLUMINESCENCE ELEMENT
Publication number
20210399224
Publication date
Dec 23, 2021
Hodogaya Chemical Co., Ltd.
Kazuyuki SURUGA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ORGANIC ELECTROLUMINESCENT ELEMENT
Publication number
20210226132
Publication date
Jul 22, 2021
Hodogaya Chemical Co., Ltd.
Kouki KASE
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
COMPOUND HAVING TRIARYLAMINE STRUCTURE AND ORGANIC ELECTROLUMINESCE...
Publication number
20210210693
Publication date
Jul 8, 2021
Hodogaya Chemical Co., Ltd.
Takuya UEHARA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
COMPOUND INCLUDING BENZIMIDAZOLE RING STRUCTURE AND ORGANIC ELECTRO...
Publication number
20210009584
Publication date
Jan 14, 2021
Hodogaya Chemical Co., Ltd.
Kouki KASE
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ORGANIC ELECTROLUMINESCENT ELEMENT AND METHOD FOR PRODUCING SAME
Publication number
20200395549
Publication date
Dec 17, 2020
Hodogaya Chemical Co., Ltd.
Kouki KASE
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ORGANIC ELECTROLUMINESCENCE DEVICE THAT INCLUDES COMPOUND HAVING BE...
Publication number
20200373500
Publication date
Nov 26, 2020
Hodogaya Chemical Co., Ltd.
Kouki KASE
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ORGANIC EL DEVICE, AMINE COMPOUND HAVING BENZAZOLE RING STRUCTURE,...
Publication number
20200365809
Publication date
Nov 19, 2020
Hodogaya Chemical Co., Ltd.
Kouki KASE
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
COMPOUND HAVING INDENOCARBAZOLE RING STRUCTURE, AND ORGANIC ELECTRO...
Publication number
20200328355
Publication date
Oct 15, 2020
Hodogaya Chemical Co., Ltd.
Shunji MOCHIZUKI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
COMPOUND HAVING PYRIMIDINE RING STRUCTURE AND ORGANIC ELECTROLUMINE...
Publication number
20200277272
Publication date
Sep 3, 2020
Hodogaya Chemical Co., Ltd.
Kouki KASE
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
ARYLDIAMINE COMPOUND AND ORGANIC ELECTROLUMINESCENT ELEMENT
Publication number
20200231534
Publication date
Jul 23, 2020
Hodogaya Chemical Co., Ltd.
Takeshi YAMAMOTO
C07 - ORGANIC CHEMISTRY