Inorganic-blended p-type semiconductor and method of preparation thereof
US-2026078300-A1 · Mar 19, 2026 · US
Oxides; Hydroxides · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C01B19/004 |
| Official title | {Oxides; Hydroxides} |
| Display label | Oxides; Hydroxides |
| Total patents | 14 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 2 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 2 |
| 2021 | 1 |
| 2023 | 1 |
| 2025 | 1 |
| 2026 | 3 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-2026078300-A1 · Mar 19, 2026 · US
US-2026040600-A1 · Feb 5, 2026 · US
US-2026018601-A1 · Jan 15, 2026 · US
US-12304978-B2 · May 20, 2025 · US
US-2023391904-A1 · Dec 7, 2023 · US
US-11193219-B2 · Dec 7, 2021 · US
US-10711324-B2 · Jul 14, 2020 · US
US-2020010857-A1 · Jan 9, 2020 · US
US-2019218686-A1 · Jul 18, 2019 · US
US-2019144968-A1 · May 16, 2019 · US
US-2018346371-A1 · Dec 6, 2018 · US
US-9452933-B2 · Sep 27, 2016 · US
US-9356168-B2 · May 31, 2016 · US
US-2015118473-A1 · Apr 30, 2015 · US