Co2 Z-type ferrite composite material for use in ultra-high frequency antennas
US-10468169-B2 · Nov 5, 2019 · US
containing barium, strontium or calcium
containing barium, strontium or calcium · 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 | C04B35/2633 |
| Official title | {containing barium, strontium or calcium} |
| Display label | containing barium, strontium or calcium |
| Total patents | 182 |
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 | 11 |
| 2016 | 15 |
| 2017 | 15 |
| 2018 | 15 |
| 2019 | 18 |
| 2020 | 17 |
| 2021 | 21 |
| 2022 | 26 |
| 2023 | 30 |
| 2024 | 7 |
| 2025 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Ferrite sintered magnet, motor and generator
US-2019267168-A1 · Aug 29, 2019 · US
Ferrite sintered magnet
US-10249417-B2 · Apr 2, 2019 · US
Magnetodielectric y-phase strontium hexagonal ferrite materials formed by sodium substitution
US-2019019605-A1 · Jan 17, 2019 · US
Increased resonant frequency potassium-doped hexagonal ferrite
US-2018374616-A1 · Dec 27, 2018 · US
Modified z-type hexagonal ferrite materials with enhanced resonant frequency
US-2018366835-A1 · Dec 20, 2018 · US
Magnetodielectric Y-phase strontium hexagonal ferrite materials formed by sodium substitution
US-10049796-B2 · Aug 14, 2018 · US
Increased resonant frequency alkali-doped Y-phase hexagonal ferrites
US-10032547-B2 · Jul 24, 2018 · US
Increased resonant frequency potassium-doped hexagonal ferrite
US-10026530-B2 · Jul 17, 2018 · US
Modified Z-type hexagonal ferrite materials with enhanced resonant frequency
US-10027035-B2 · Jul 17, 2018 · US
Ceramic interconnect for fuel cell stacks
US-10008727-B2 · Jun 26, 2018 · US
Fuel cell
US-2018138521-A1 · May 17, 2018 · US
Electromagnetic effect material and ceramic electronic component
US-9950958-B2 · Apr 24, 2018 · US
Oxide ceramic and ceramic electronic component
US-9947460-B2 · Apr 17, 2018 · US
Multilayer ceramic substrate and method for manufacturing multilayer ceramic substrate
US-2018072627-A1 · Mar 15, 2018 · US
Composite hexagonal ferrite materials
US-2018057410-A1 · Mar 1, 2018 · US
Composite material and method for preparing the same
US-9873773-B2 · Jan 23, 2018 · US
Mo-doped cozz-type ferrite composite material for use ultra-high frequency
US-2018016157-A1 · Jan 18, 2018 · US
Ceramic material, method for manufacturing the same, and semiconductor manufacturing apparatus member
US-9856147-B2 · Jan 2, 2018 · US
High q modified barium magnesium tantalate for high frequency applications
US-2017341950-A1 · Nov 30, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C04B35/2633?
- CPC C04B35/2633 is the Cooperative Patent Classification code for “containing barium, strontium or calcium.”
- How many patents are filed under CPC C04B35/2633 (containing barium, strontium or calcium)?
- Our database includes 182 publications tagged with this CPC code.
- Is patent activity under CPC C04B35/2633 growing?
- Publication counts under this code: 7 in 2024 vs 7 in 2025 (latest complete years).