Light-emitting element, monoamine compound for the light-emitting element, and electronic apparatus including the light-emitting element
US-2026101669-A1 · Apr 9, 2026 · US
Naphthothiophenes
Naphthothiophenes · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C07D333/74 |
| Official title | Naphthothiophenes |
| Display label | Naphthothiophenes |
| Total patents | 51 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 3 |
| 2017 | 5 |
| 2018 | 6 |
| 2019 | 7 |
| 2020 | 2 |
| 2021 | 2 |
| 2022 | 3 |
| 2023 | 5 |
| 2024 | 4 |
| 2025 | 7 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Organic electroluminescent element and electronic device
US-12492162-B2 · Dec 9, 2025 · US
Organic compound and organic light emitting device comprising same
US-2025351662-A1 · Nov 13, 2025 · US
Organic compound for capping layer and organic light emitting diode comprising the same
US-12441684-B2 · Oct 14, 2025 · US
Organic electronic device and display apparatus using composition for organic electronic device
US-2025214956-A1 · Jul 3, 2025 · US
Light emitting element, amine compound for the same, and display device including the same
US-2025098529-A1 · Mar 20, 2025 · US
Light emitting element, amine compound for the same, and display device including the same
US-2025098524-A1 · Mar 20, 2025 · US
Organic electroluminescent compound and organic electroluminescent device
US-2025098528-A1 · Mar 20, 2025 · US
Organic electroluminescent element and electronic device
US-2024306490-A1 · Sep 12, 2024 · US
Organic electroluminescent element and electronic device
US-12022728-B2 · Jun 25, 2024 · US
Organic electroluminescent device
US-2024206311-A1 · Jun 20, 2024 · US
Organic Compound, Light-Emitting Device, and Electronic Device
US-2024132439-A1 · Apr 25, 2024 · US
Organic electroluminescent compound and organic electroluminescent device comprising the same
US-2023225197-A1 · Jul 13, 2023 · US
Nir to swir fluorescent compounds for imaging and detection
US-2023159762-A1 · May 25, 2023 · US
Organic electroluminescent compound and organic electroluminescent device comprising the same
US-2023131195-A1 · Apr 27, 2023 · US
Organic electroluminescent element and electronic device
US-11552251-B2 · Jan 10, 2023 · US
NIR to SWIR fluorescent compounds for imaging and detection
US-11549017-B2 · Jan 10, 2023 · US
Organic electroluminescence device and polycyclic compound for organic electroluminescence device
US-2022416174-A1 · Dec 29, 2022 · US
Organic electroluminescent element and electronic device
US-2022278283-A1 · Sep 1, 2022 · US
Organic compound for capping layer and organic light emitting diode comprising the same
US-2022127277-A1 · Apr 28, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07D333/74?
- CPC C07D333/74 is the Cooperative Patent Classification code for “Naphthothiophenes.”
- How many patents are filed under CPC C07D333/74 (Naphthothiophenes)?
- Our database includes 51 publications tagged with this CPC code.
- Is patent activity under CPC C07D333/74 growing?
- Publication counts under this code: 4 in 2024 vs 7 in 2025 (latest complete years).