Materials for electronic devices
US-2025160204-A1 · May 15, 2025 · US
Peri-condensed systems
Peri-condensed systems · 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 | C07D513/16 |
| Official title | Peri-condensed systems |
| Display label | Peri-condensed systems |
| Total patents | 63 |
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 | 5 |
| 2016 | 6 |
| 2017 | 4 |
| 2018 | 7 |
| 2019 | 8 |
| 2020 | 6 |
| 2021 | 2 |
| 2022 | 6 |
| 2023 | 6 |
| 2024 | 4 |
| 2025 | 7 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Organic electroluminescence device and polycyclic compound for organic electroluminescence device
US-2025151613-A1 · May 8, 2025 · US
Cyclopiperidine compound, preparation method therefor, and use thereof
US-2025136601-A1 · May 1, 2025 · US
Rare earth complex
US-2025074925-A1 · Mar 6, 2025 · US
Nitrogen-containing compound, organic electroluminescent device, and electronic apparatus
US-2025051354-A1 · Feb 13, 2025 · US
Organic electroluminescence device and polycyclic compound for organic electroluminescence device
US-12207549-B2 · Jan 21, 2025 · US
Organic compound and organic light-emitting element
US-2024407259-A1 · Dec 5, 2024 · US
Compound, photoelectric device, light absorption sensor, sensor embedded display panel, and electronic device
US-2024298535-A1 · Sep 5, 2024 · US
Organic compound, organic light emitting diode and organic light emitting device including the same
US-2024246997-A1 · Jul 25, 2024 · US
Organic compound, organic light emitting diode and organic light emitting device including the same
US-2024246996-A1 · Jul 25, 2024 · US
Materials for organic electroluminescent devices
US-2023337537-A1 · Oct 19, 2023 · US
Materials for organic electroluminescent devices
US-2023295104-A1 · Sep 21, 2023 · US
Organic compound and organic light-emitting element
US-2023192719-A1 · Jun 22, 2023 · US
Compounds for electronic devices
US-11649249-B2 · May 16, 2023 · US
Oxazine compound and application thereof
US-11639360-B2 · May 2, 2023 · US
Prc1 inhibitors and methods of treatment therewith
US-2023118233-A1 · Apr 20, 2023 · US
Peri-condensed heterocyclic compounds as materials for electronic devices
US-2022384735-A1 · Dec 1, 2022 · US
Serine/threonine kinase inhibitors
US-11376260-B2 · Jul 5, 2022 · US
PRC1 inhibitors and methods of treatment therewith
US-11319302-B2 · May 3, 2022 · US
Compounds for electronic devices
US-2022073531-A1 · Mar 10, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07D513/16?
- CPC C07D513/16 is the Cooperative Patent Classification code for “Peri-condensed systems.”
- How many patents are filed under CPC C07D513/16 (Peri-condensed systems)?
- Our database includes 63 publications tagged with this CPC code.
- Is patent activity under CPC C07D513/16 growing?
- Publication counts under this code: 4 in 2024 vs 7 in 2025 (latest complete years).