Light-emitting device and method of manufacturing the same
US-12459949-B2 · Nov 4, 2025 · US
with nitrogen atoms of azo groups bound to carbon atoms of six-membered aromatic rings · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C07C245/06 |
| Official title | with nitrogen atoms of azo groups bound to carbon atoms of six-membered aromatic rings |
| Display label | with nitrogen atoms of azo groups bound to carbon atoms of six-membered aromatic rings |
| Total patents | 13 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2017 | 1 |
| 2018 | 1 |
| 2021 | 5 |
| 2022 | 3 |
| 2025 | 2 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-12459949-B2 · Nov 4, 2025 · US
US-2025223255-A1 · Jul 10, 2025 · US
US-2022413404-A1 · Dec 29, 2022 · US
US-2022367830-A1 · Nov 17, 2022 · US
US-11407777-B2 · Aug 9, 2022 · US
US-11193024-B2 · Dec 7, 2021 · US
US-2021332245-A1 · Oct 28, 2021 · US
US-11149024-B2 · Oct 19, 2021 · US
US-2021122735-A1 · Apr 29, 2021 · US
US-2021002314-A1 · Jan 7, 2021 · US
US-10047061-B2 · Aug 14, 2018 · US
US-2017114033-A1 · Apr 27, 2017 · US
US-9458143-B1 · Oct 4, 2016 · US