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
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Spiro-condensed systems
Spiro-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 | C07D517/10 |
| Official title | Spiro-condensed systems |
| Display label | Spiro-condensed systems |
| Total patents | 7 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity appears to be growing based on the most recent years.
| Year | Patents |
|---|---|
| 2019 | 1 |
| 2021 | 2 |
| 2022 | 1 |
| 2024 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Organic compound, organic light-emitting element, display apparatus, photoelectric conversion apparatus, electronic apparatus, illumination apparatus, moving object, and exposure light source
US-11917912-B2 · Feb 27, 2024 · US
Fluorescent sensors
US-2024019450-A1 · Jan 18, 2024 · US
Organic compound, organic light-emitting element, display apparatus, photoelectric conversion apparatus, electronic apparatus, illumination apparatus, moving object, and exposure light source
US-2022216423-A1 · Jul 7, 2022 · US
Spiroacridine derivatives
US-11114617-B2 · Sep 7, 2021 · US
Spiroacridine derivatives
US-2021020837-A1 · Jan 21, 2021 · US
Spiro dihydroacridine derivatives and the use thereof as materials for organic electroluminescence devices
US-10305040-B2 · May 28, 2019 · US