Blue luminescent composition and organic electroluminescent device comprising blue luminescent composition
US-12410367-B2 · Sep 9, 2025 · US
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Cao Zhicheng patents
Cao Zhicheng is listed as an inventor on 6 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Cao Zhicheng |
| Total patents | 6 |
| First publication | Jan 2, 2020 |
| Latest publication | Sep 9, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Blue luminescent composition and organic electroluminescent device comprising blue luminescent composition
US-2025188345-A1 · Jun 12, 2025 · US
Press machine execution system
US-11518131-B2 · Dec 6, 2022 · US
Press machine execution system
US-2022055332-A1 · Feb 24, 2022 · US
Press machine and press machine execution system
US-11186057-B2 · Nov 30, 2021 · US
Press machine and press machine execution system
US-2020001563-A1 · Jan 2, 2020 · US
Recent patents
Latest publications not already listed above.
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Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Univ Hefei Technology | 4 |
| Shijiazhuang Chengzhi Yonghua Display Materials Co Ltd | 2 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| B30B15/166 | 4 |
| B30B15/142 | 4 |
| B30B15/10 | 4 |
| B30B9/3067 | 4 |
| B30B1/24 | 4 |