Organic light emitting diode and organic light emitting device including the same
US-12543497-B2 · Feb 3, 2026 · US
with hetero atoms directly attached in position 2 · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C07D239/78 |
| Official title | with hetero atoms directly attached in position 2 |
| Display label | with hetero atoms directly attached in position 2 |
| Total patents | 36 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 4 |
| 2017 | 3 |
| 2018 | 3 |
| 2019 | 2 |
| 2020 | 3 |
| 2021 | 4 |
| 2022 | 3 |
| 2023 | 4 |
| 2024 | 3 |
| 2025 | 4 |
| 2026 | 1 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12543497-B2 · Feb 3, 2026 · US
US-12503446-B2 · Dec 23, 2025 · US
US-12441685-B2 · Oct 14, 2025 · US
US-2025263554-A1 · Aug 21, 2025 · US
US-12317745-B2 · May 27, 2025 · US
US-2024335445-A1 · Oct 10, 2024 · US
US-12049461-B2 · Jul 30, 2024 · US
US-2024092735-A1 · Mar 21, 2024 · US
US-11845728-B2 · Dec 19, 2023 · US
US-2023183187-A1 · Jun 15, 2023 · US
US-2023181588-A1 · Jun 15, 2023 · US
US-2023150929-A1 · May 18, 2023 · US
US-2022372004-A1 · Nov 24, 2022 · US
US-11504373-B2 · Nov 22, 2022 · US
US-2022085299-A1 · Mar 17, 2022 · US
US-2021276988-A1 · Sep 9, 2021 · US
US-2021147359-A1 · May 20, 2021 · US
US-10934256-B2 · Mar 2, 2021 · US
US-10882851-B2 · Jan 5, 2021 · US
US-2020390770-A1 · Dec 17, 2020 · US
Answers are generated from the same data shown on this page.