Light-shielding film for optical element and optical element having light-shielding film
US-11187832-B2 · Nov 30, 2021 · US
Titanium oxide, e.g. titanates · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C04B14/305 |
| Official title | {Titanium oxide, e.g. titanates} |
| Display label | Titanium oxide, e.g. titanates |
| Total patents | 105 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 15 |
| 2016 | 12 |
| 2017 | 8 |
| 2018 | 2 |
| 2019 | 13 |
| 2020 | 6 |
| 2021 | 14 |
| 2022 | 7 |
| 2023 | 9 |
| 2024 | 13 |
| 2025 | 6 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-11187832-B2 · Nov 30, 2021 · US
US-11084183-B2 · Aug 10, 2021 · US
US-2021188709-A1 · Jun 24, 2021 · US
US-10894742-B2 · Jan 19, 2021 · US
US-2020384527-A1 · Dec 10, 2020 · US
US-2020290927-A1 · Sep 17, 2020 · US
US-10730800-B2 · Aug 4, 2020 · US
US-10711116-B2 · Jul 14, 2020 · US
US-10618196-B2 · Apr 14, 2020 · US
US-10561583-B2 · Feb 18, 2020 · US
US-10519064-B2 · Dec 31, 2019 · US
US-10450937-B2 · Oct 22, 2019 · US
US-10441918-B2 · Oct 15, 2019 · US
US-2019218149-A1 · Jul 18, 2019 · US
US-2019210933-A1 · Jul 11, 2019 · US
US-2019144335-A1 · May 16, 2019 · US
US-10273185-B2 · Apr 30, 2019 · US
US-10266700-B2 · Apr 23, 2019 · US
US-2019112227-A1 · Apr 18, 2019 · US
US-10253168-B2 · Apr 9, 2019 · US
Answers are generated from the same data shown on this page.