Magnetic materials with high curie temperatures and dielectric constants
US-12387861-B2 · Aug 12, 2025 · US
[(TO4) 3] with T= Si, Al, Fe, Ga (H01F10/24 takes precedence; Faraday rotators G02F1/09)
[(TO4) 3] with T= Si, Al, Fe, Ga (H01F10/24 takes precedence; Faraday rotators G02F1/09) · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01F1/346 |
| Official title | {[(TO4) 3] with T= Si, Al, Fe, Ga (H01F10/24 takes precedence; Faraday rotators G02F1/09)} |
| Display label | [(TO4) 3] with T= Si, Al, Fe, Ga (H01F10/24 takes precedence; Faraday rotators G02F1/09) |
| Total patents | 52 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 5 |
| 2017 | 3 |
| 2018 | 4 |
| 2019 | 9 |
| 2020 | 4 |
| 2021 | 7 |
| 2022 | 5 |
| 2023 | 5 |
| 2024 | 5 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Ultra-high dielectric constant garnet
US-11987531-B2 · May 21, 2024 · US
Indium containing magnetic garnet materials
US-11961644-B2 · Apr 16, 2024 · US
Magnetic materials with high curie temperatures and dielectric constants
US-2024120136-A1 · Apr 11, 2024 · US
Device and related method for providing unidirectional microwave propagation
US-11946878-B2 · Apr 2, 2024 · US
Co-firing of low firing temperature dielectric materials with high bismuth garnet ferrites for miniaturized isolators and circulators
US-11936088-B2 · Mar 19, 2024 · US
Magnetic materials with high curie temperatures and dielectric constants
US-11830647-B2 · Nov 28, 2023 · US
Method for producing solid composition and method for producing functional ceramic
US-11767266-B2 · Sep 26, 2023 · US
Co-firing of low firing temperature dielectric materials with high bismuth garnet ferrites for miniaturized isolators and circulators
US-2023291085-A1 · Sep 14, 2023 · US
Low firing temperature dielectric materials designed to be co-fired with high bismuth garnet ferrites for miniaturized isolators and circulators
US-11699836-B2 · Jul 11, 2023 · US
Magnetic materials with high curie temperatures and dielectric constants
US-2023117745-A1 · Apr 20, 2023 · US
Indium containing magnetic garnet materials
US-2022406499-A1 · Dec 22, 2022 · US
Magnetic materials with high curie temperatures and dielectric constants
US-11417450-B2 · Aug 16, 2022 · US
Ferrite composition and multilayer electronic component
US-11410807-B2 · Aug 9, 2022 · US
Indium containing magnetic garnet materials
US-11373788-B2 · Jun 28, 2022 · US
Nonreciprocal circuit element, manufacturing method of the same, and communication apparatus using the same
US-11276909-B2 · Mar 15, 2022 · US
Magnetic materials with ultrahigh resistivity intergrain nanoparticles
US-11211187-B2 · Dec 28, 2021 · US
Ultra-high dielectric constant garnet
US-2021317044-A1 · Oct 14, 2021 · US
Method for producing solid composition and method for producing functional ceramic
US-2021300826-A1 · Sep 30, 2021 · US
Magnetic material and production method therefor
US-11056258-B2 · Jul 6, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01F1/346?
- CPC H01F1/346 is the Cooperative Patent Classification code for “[(TO4) 3] with T= Si, Al, Fe, Ga (H01F10/24 takes precedence; Faraday rotators G02F1/09).”
- How many patents are filed under CPC H01F1/346 ([(TO4) 3] with T= Si, Al, Fe, Ga (H01F10/24 takes precedence; Faraday rotators G02F1/09))?
- Our database includes 52 publications tagged with this CPC code.
- Is patent activity under CPC H01F1/346 growing?
- Publication counts under this code: 5 in 2024 vs 1 in 2025 (latest complete years).