Compound, material for organic electroluminescent element, organic electroluminescent element, and electronic device
US-12590076-B2 · Mar 31, 2026 · US
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Haketa Tasuku patents
Haketa Tasuku is listed as an inventor on 141 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Haketa Tasuku |
| Total patents | 141 |
| First publication | Sep 10, 2015 |
| Latest publication | Mar 31, 2026 |
Notable patents
Publications ranked by popularity score, then publication date.
Compound, organic electroluminescent element material, organic electroluminescent element, and electronic device
US-2026060000-A1 · Feb 26, 2026 · US
Compound, material for organic electroluminescent elements, organic electroluminescent element, and electronic device
US-12543494-B2 · Feb 3, 2026 · US
Organic electroluminescence device and electronic apparatus
US-12514115-B2 · Dec 30, 2025 · US
Compound, organic electroluminescent element material, organic electroluminescent element, and electronic device
US-2025374825-A1 · Dec 4, 2025 · US
Compound and organic electroluminescent element using same
US-12464943-B2 · Nov 4, 2025 · US
Organic electroluminescent element, organic electroluminescent display apparatus, and electronic device
US-2025287774-A1 · Sep 11, 2025 · US
Organic electroluminescent element, organic electroluminescent display device, and electronic device
US-12369490-B2 · Jul 22, 2025 · US
Compound, material for organic electroluminescence device, organic electroluminescence device, and electronic device
US-12338234-B2 · Jun 24, 2025 · US
Compound, material for organic electroluminescent element, organic electroluminescent element, and electronic device
US-2025136569-A1 · May 1, 2025 · US
Recent patents
Latest publications not already listed above.
Organic electroluminescent element, organic electroluminescent display device, and electronic equipment
US-2024423010-A1 · Dec 19, 2024 · US
Compound, organic electroluminescent element material, organic electroluminescent element, and electronic device
US-2024415010-A1 · Dec 12, 2024 · US
Organic electroluminescent element and electronic device
US-2024415013-A1 · Dec 12, 2024 · US
Compound, organic electroluminescent element material, organic electroluminescent element, and electronic device
US-2024407255-A1 · Dec 5, 2024 · US
Compound, organic electroluminescent element material, organic electroluminescent element, and electronic device
US-2024381761-A1 · Nov 14, 2024 · US
Compound, material for organic electroluminescent elements, organic electroluminescent element, and electronic device
US-2024368102-A1 · Nov 7, 2024 · US
Organic electroluminescent element, organic electroluminescent display device, and electronic device
US-2024349528-A1 · Oct 17, 2024 · US
Compound having naphthobenezofuranyl sturcture, material for organic electroluminescence device, organic electroluminescent device, and electronic instrument
US-2024300912-A1 · Sep 12, 2024 · US
Compound, material for organic electroluminescent elements, organic electroluminescent element, and electronic device
US-12069943-B2 · Aug 20, 2024 · US
Compound, material for organic electroluminescent element, organic electroluminescent element, and electronic appliance
US-2024276750-A1 · Aug 15, 2024 · US
Organic electroluminescent element, organic electroluminescent display device, and electronic equipment
US-2024260300-A1 · Aug 1, 2024 · US
Compound, material for organic electroluminescent elements, organic electroluminescent element, and electronic device
US-12048242-B2 · Jul 23, 2024 · US
Compound, material for organic electroluminescent element, organic electroluminescent element, and electronic appliance
US-2024237513-A1 · Jul 11, 2024 · US
Compound, material for organic electroluminescent element, organic electroluminescent element, and electronic device
US-2024215281-A1 · Jun 27, 2024 · US
Compound, material for organic electroluminescent element, organic electroluminescent element, and electronic device
US-12012389-B2 · Jun 18, 2024 · US
Organic electroluminescent element and electronic device
US-2024147846-A1 · May 2, 2024 · US
Organic electroluminescent element, organic electroluminescent display apparatus, and digital device
US-2024147843-A1 · May 2, 2024 · US
Compound, material for organic electroluminescent elements, organic electroluminescent element, and electronic device
US-2024140904-A1 · May 2, 2024 · US
Organic electroluminescence device and electronic apparatus
US-2024138254-A1 · Apr 25, 2024 · US
Organic electroluminescent element and electronic device
US-2024130224-A1 · Apr 18, 2024 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Idemitsu Kosan Co | 143 |
| National Univ Corporation Tokai National Higher Education And Research System | 3 |
| Idemitsu Kosanco Ltd | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| H10K85/6574 | 112 |
| H10K50/15 | 110 |
| H10K85/6572 | 99 |
| H10K50/11 | 98 |
| H10K85/633 | 95 |