Organic electroluminescence device and polycyclic compound for organic electroluminescence device
US-12404271-B2 · Sep 2, 2025 · US
having phosphorus and sulfur atoms with or without oxygen atoms, as ring hetero atoms · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C07F9/6578 |
| Official title | having phosphorus and sulfur atoms with or without oxygen atoms, as ring hetero atoms |
| Display label | having phosphorus and sulfur atoms with or without oxygen atoms, as ring hetero atoms |
| Total patents | 36 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2017 | 4 |
| 2019 | 3 |
| 2020 | 5 |
| 2021 | 1 |
| 2022 | 3 |
| 2023 | 10 |
| 2024 | 7 |
| 2025 | 3 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12404271-B2 · Sep 2, 2025 · US
US-2025154190-A1 · May 15, 2025 · US
US-12252503-B2 · Mar 18, 2025 · US
US-2024409568-A1 · Dec 12, 2024 · US
US-12100808-B2 · Sep 24, 2024 · US
US-12077558-B2 · Sep 3, 2024 · US
US-12016336-B2 · Jun 25, 2024 · US
US-2024186577-A1 · Jun 6, 2024 · US
US-2024166675-A1 · May 23, 2024 · US
US-2024076305-A1 · Mar 7, 2024 · US
US-2023263164-A1 · Aug 24, 2023 · US
US-2023242569-A1 · Aug 3, 2023 · US
US-2023225326-A1 · Jul 20, 2023 · US
US-11649254-B2 · May 16, 2023 · US
US-2023104781-A1 · Apr 6, 2023 · US
US-11613554-B2 · Mar 28, 2023 · US
US-11600861-B2 · Mar 7, 2023 · US
US-2023063633-A1 · Mar 2, 2023 · US
US-11572378-B2 · Feb 7, 2023 · US
US-2023015911-A1 · Jan 19, 2023 · US
Answers are generated from the same data shown on this page.