Compound and photoelectric device, image sensor, and electronic device including the same
US-12084439-B2 · Sep 10, 2024 · US
Chemistry & Metallurgy
Chemistry & Metallurgy · 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 | C07D421/04 |
| Official title | — |
| Display label | Chemistry & Metallurgy (mapped technology topic) |
| Total patents | 74 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2017 | 3 |
| 2018 | 2 |
| 2019 | 7 |
| 2020 | 5 |
| 2021 | 8 |
| 2022 | 12 |
| 2023 | 15 |
| 2024 | 9 |
| 2025 | 7 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Condensed cyclic compound, organic light-receiving device including the same, and electronic apparatus and electronic device including the light-receiving device
US-2024155868-A1 · May 9, 2024 · US
Compound and photoelectric device, image sensor, and electronic device including the same
US-11963440-B2 · Apr 16, 2024 · US
Organic light-emitting materials containing cyano-substituted ligand
US-2023397483-A1 · Dec 7, 2023 · US
Compound and photoelectric device, image sensor, and electronic device including the same
US-11793072-B2 · Oct 17, 2023 · US
Organic light-emitting materials containing cyano-substituted ligand
US-11785839-B2 · Oct 10, 2023 · US
Organic electroluminescent device and organic electroluminescent compound
US-2023284470-A1 · Sep 7, 2023 · US
Small molecule photosensitizers for photodynamic therapy
US-11746094-B2 · Sep 5, 2023 · US
Compound and photoelectric device, image sensor and electronic device including the same
US-11711974-B2 · Jul 25, 2023 · US
Heterocyclic compound having cyano-substitution
US-2023167097-A1 · Jun 1, 2023 · US
Organic electroluminescent compound, a plurality of host materials comprising the same, and organic electroluminescent device
US-2023165142-A1 · May 25, 2023 · US
Compound and photoelectric device, image sensor, and electronic device including the same
US-2023157162-A1 · May 18, 2023 · US
Organic electroluminescent material and device thereof
US-2023137110-A1 · May 4, 2023 · US
Organic electroluminescent compound, a plurality of host materials, and organic electroluminescent device comprising the same
US-2023130802-A1 · Apr 27, 2023 · US
Plurality of host materials, organic electroluminescent compound, and organic electroluminescent device comprising the same
US-2023117383-A1 · Apr 20, 2023 · US
Compound, photoelectric device, light absorption sensor, sensor-embedded display panel, and electronic device
US-2023113862-A1 · Apr 13, 2023 · US
Compound, sensor, sensor embedded display panel, and electronic device
US-2023105575-A1 · Apr 6, 2023 · US
Compound and photoelectric device, image sensor, and electronic device including the same
US-11569451-B2 · Jan 31, 2023 · US
Sensor-embedded display panel and electronic device
US-2022367570-A1 · Nov 17, 2022 · US
Compound and organic photoelectric device, image sensor and electronic device including the same
US-11476423-B2 · Oct 18, 2022 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07D421/04?
- CPC C07D421/04 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
- How many patents are filed under CPC C07D421/04 (Chemistry & Metallurgy)?
- Our database includes 74 publications tagged with this CPC code.
- Is patent activity under CPC C07D421/04 growing?
- Publication counts under this code: 9 in 2024 vs 7 in 2025 (latest complete years).