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US Patent 12108666 Compound and organic electroluminescence device

Patent 12108666 was granted and assigned to IDEMITSU KOSAN CO.,LTD. on October, 2024 by the United States Patent and Trademark Office.

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Patent attributes

Patent Applicant

IDEMITSU KOSAN CO.,LTD.

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Current Assignee

IDEMITSU KOSAN CO.,LTD.

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Patent Jurisdiction

United States Patent and Trademark Office

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Patent Number

Patent Inventor Names

Yuki Nakano0

Hidetsugu Ikeda0

Keita Seda0

Ryota Takahashi0

Date of Patent

October 1, 2024

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Patent Application Number

172784190

Date Filed

September 26, 2019

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Patent Citations

US Patent 9530969 Material for organic electroluminescence device and organic electroluminescence device

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US Patent 9825239 Benzindolocarbazole derivative, light-emitting element material produced using same, and light-emitting element

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US Patent 10177316 Organic electroluminescent materials and devices

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US Patent 10593889 Compound and organic electroluminescence device

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US Patent 10249832 Organic electroluminescence device and novel compound

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US Patent 7227027 Carbazole derivative and its use in electroluminescent devices

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US Patent 8227801 Bicarbzole containing compounds for OLEDs

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US Patent 8343637 Carbazole derivatives for organic electroluminescent devices

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Patent Primary Examiner

Haong-Vu A Nguyen-Ba

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CPC Code

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