Zirconia sintered body and manufacturing method of the same
US-10858293-B2 · Dec 8, 2020 · US
Mn3O4
Mn3O4 · 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 | C04B2235/3263 |
| Official title | Mn3O4 |
| Display label | Mn3O4 |
| Total patents | 126 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 13 |
| 2016 | 12 |
| 2017 | 9 |
| 2018 | 11 |
| 2019 | 12 |
| 2020 | 13 |
| 2021 | 18 |
| 2022 | 11 |
| 2023 | 11 |
| 2025 | 11 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Lead-Free High-Insulating Ceramic Coating Zinc Oxide Arrester Valve and Preparation Method Thereof
US-2020223761-A1 · Jul 16, 2020 · US
Thermistor sintered body and thermistor element
US-10643768-B2 · May 5, 2020 · US
Thermistor sintered body and thermistor element
US-2019348201-A1 · Nov 14, 2019 · US
Zirconia sintered body and manufacturing method of the same
US-2019300438-A1 · Oct 3, 2019 · US
Ferrite magnetic substance and method of manufacturing the same
US-10388439-B2 · Aug 20, 2019 · US
Ceramic substrate and method for production thereof
US-10383220-B2 · Aug 13, 2019 · US
Mn-Zn-O SPUTTERING TARGET AND PRODUCTION METHOD THEREFOR
US-2019242009-A1 · Aug 8, 2019 · US
Ceramic material and resistive element
US-10364161-B2 · Jul 30, 2019 · US
Dielectric composition and multilayer electronic component
US-10358388-B2 · Jul 23, 2019 · US
Magnetic Materials with Ultrahigh Resistivity Intergrain Nanoparticles
US-2019139687-A1 · May 9, 2019 · US
Ferrite powder, resin composition, and molded article
US-2019135653-A1 · May 9, 2019 · US
Dielectric composition and multilayer electronic component
US-2019135701-A1 · May 9, 2019 · US
Ceramic Material, Varistor and Methods of Preparing the Ceramic Material and the Varistor
US-2019103206-A1 · Apr 4, 2019 · US
Ceramic material and resistive element
US-2019077677-A1 · Mar 14, 2019 · US
Ceramic material for multilayer ceramic capacitor and method of making the same
US-2018362410-A1 · Dec 20, 2018 · US
Ceramic material and resistive element
US-10134512-B2 · Nov 20, 2018 · US
Open-cell materials for use in thermochemical fuel production processes
US-10112179-B2 · Oct 30, 2018 · US
NTC Ceramic Part, Electronic Component for Inrush Current Limiting, and Method for Manufacturing an Electronic Component
US-2018301253-A1 · Oct 18, 2018 · US
Method for producing dielectric ceramic, and dielectric ceramic
US-2018222800-A1 · Aug 9, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C04B2235/3263?
- CPC C04B2235/3263 is the Cooperative Patent Classification code for “Mn3O4.”
- How many patents are filed under CPC C04B2235/3263 (Mn3O4)?
- Our database includes 126 publications tagged with this CPC code.
- Is patent activity under CPC C04B2235/3263 growing?
- Publication counts under this code: 11 in 2023 vs 11 in 2025 (latest complete years).