Material for organic electroluminescence element, and organic electroluminescence element
US-12503643-B2 · Dec 23, 2025 · US
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Kitahara Ikumi patents
Kitahara Ikumi is listed as an inventor on 14 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Kitahara Ikumi |
| Total patents | 14 |
| First publication | Mar 19, 2020 |
| Latest publication | Dec 23, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Organic electroluminescent element
US-12329028-B2 · Jun 10, 2025 · US
Organic electroluminescent element and method for manufacturing same
US-2024341179-A1 · Oct 10, 2024 · US
Organic electroluminescent device
US-2024032323-A1 · Jan 25, 2024 · US
Organic electroluminescent element
US-2024008354-A1 · Jan 4, 2024 · US
Material for organic electroluminescent element and organic electroluminescent element
US-2023422611-A1 · Dec 28, 2023 · US
Enamine compound and use thereof
US-11773052-B2 · Oct 3, 2023 · US
Organic electroluminescent element
US-2023284526-A1 · Sep 7, 2023 · US
Organic electroluminescent element
US-2023113101-A1 · Apr 13, 2023 · US
Material for organic electroluminescence element, and organic electroluminescence element
US-2023039495-A1 · Feb 9, 2023 · US
Recent patents
Latest publications not already listed above.
Organic electroluminescent element
US-2022310938-A1 · Sep 29, 2022 · US
Organic electroluminescent element
US-2022216427-A1 · Jul 7, 2022 · US
Organic electroluminescent element
US-2022199914-A1 · Jun 23, 2022 · US
Enamine compound and use thereof
US-2020087245-A1 · Mar 19, 2020 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Nippon Steel Chemical & Mat Co Ltd | 12 |
| Japan Science & Tech Agency | 2 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| C09K11/06 | 14 |
| H10K85/6572 | 12 |
| H10K85/654 | 12 |
| H10K50/11 | 11 |
| H10K85/342 | 10 |