Manufacturing tungsten bronze glass ceramic
US-2023322607-A1 · Oct 12, 2023 · US
containing rare earths
containing rare earths · 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 | C03C3/15 |
| Official title | containing rare earths |
| Display label | containing rare earths |
| Total patents | 79 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 11 |
| 2016 | 5 |
| 2017 | 5 |
| 2018 | 4 |
| 2019 | 10 |
| 2020 | 8 |
| 2021 | 3 |
| 2022 | 11 |
| 2023 | 8 |
| 2024 | 4 |
| 2025 | 8 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Glass article
US-2023286855-A1 · Sep 14, 2023 · US
Magneto-optic element and method for producing same
US-11686958-B2 · Jun 27, 2023 · US
Glass and method for manufacturing the same
US-2022289618-A1 · Sep 15, 2022 · US
A12O3 rich hard and crack resistant glasses and glass-ceramics
US-11434164-B2 · Sep 6, 2022 · US
Joint, electrical feedthrough, and sensor
US-2022223323-A1 · Jul 14, 2022 · US
Decorative glass article
US-2022185722-A1 · Jun 16, 2022 · US
Decorative glass article
US-2022169558-A1 · Jun 2, 2022 · US
Optical glass, optical element including optical glass, and optical apparatus
US-2022119302-A1 · Apr 21, 2022 · US
Transparent, near infrared-shielding glass ceramic
US-2022089472-A1 · Mar 24, 2022 · US
Optical boroaluminate glasses
US-11247934-B2 · Feb 15, 2022 · US
Optical glass, optical element including optical glass, and optical apparatus
US-11236009-B2 · Feb 1, 2022 · US
Al2O3 RICH HARD AND CRACK RESISTANT GLASSES AND GLASS-CERAMICS
US-2022017406-A1 · Jan 20, 2022 · US
Transparent, near infrared-shielding glass ceramic
US-11214511-B2 · Jan 4, 2022 · US
Optical member with adhesive layer and light emitting device
US-2021384391-A1 · Dec 9, 2021 · US
Faraday rotator and magneto-optical element
US-2021231983-A1 · Jul 29, 2021 · US
Faraday rotator and magneto-optical element
US-2021165252-A1 · Jun 3, 2021 · US
Glass material and method for manufacturing same
US-10829406-B2 · Nov 10, 2020 · US
Conductive paste for forming solar cell electrode
US-10804003-B2 · Oct 13, 2020 · US
Conductive paste for forming solar cell electrode
US-2020273597-A1 · Aug 27, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C03C3/15?
- CPC C03C3/15 is the Cooperative Patent Classification code for “containing rare earths.”
- How many patents are filed under CPC C03C3/15 (containing rare earths)?
- Our database includes 79 publications tagged with this CPC code.
- Is patent activity under CPC C03C3/15 growing?
- Publication counts under this code: 4 in 2024 vs 8 in 2025 (latest complete years).