Ferrite particles, carrier for electrophotographic developer, electrophotographic developer, and ferrite particle production method
US-2024254004-A1 · Aug 1, 2024 · US
spinel-type (AB2O4)
spinel-type (AB2O4) · 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 | C01P2002/32 |
| Official title | spinel-type (AB2O4) |
| Display label | spinel-type (AB2O4) |
| Total patents | 462 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 38 |
| 2016 | 42 |
| 2017 | 37 |
| 2018 | 45 |
| 2019 | 48 |
| 2020 | 52 |
| 2021 | 41 |
| 2022 | 34 |
| 2023 | 40 |
| 2024 | 40 |
| 2025 | 37 |
| 2026 | 8 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Electrode material, nonaqueous electrolyte battery, battery pack, and vehicle
US-2016380267-A1 · Dec 29, 2016 · US
Transition metal oxide containing solid solution lithium, non-aqueous electrolyte secondary battery positive electrode and non-aqueous electrolyte secondary battery
US-9461299-B2 · Oct 4, 2016 · US
Methods and catalysts for green biodiesel production from unrefined low grade feedstock
US-2016279616-A1 · Sep 29, 2016 · US
Trimanganese tetraoxide and its production process
US-9440860-B2 · Sep 13, 2016 · US
Spinel slurry and casting process
US-2016229701-A1 · Aug 11, 2016 · US
Calibration and optimization of ESA in aircraft radomes
US-9409151-B1 · Aug 9, 2016 · US
Lithium rich nickel manganese cobalt oxide (lr-nmc)
US-2016211517-A1 · Jul 21, 2016 · US
Lithium titanate powder, active material, and energy storage device using the same
US-2016204433-A1 · Jul 14, 2016 · US
Storage battery
US-2016190578-A1 · Jun 30, 2016 · US
Layered-spinel electrodes for lithium batteries
US-2016190577-A1 · Jun 30, 2016 · US
LITHIUM TITANATE PARTICLES AND PROCESS FOR PRODUCING THE LITHIUM TITANATE PARTICLES, Mg-CONTAINING LITHIUM TITANATE PARTICLES AND PROCESS FOR PRODUCING THE Mg-CONTAINING LITHIUM TITANATE PARTICLES, NEGATIVE ELECTRODE ACTIVE SUBSTANCE PARTICLES FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERIES, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY
US-2016164086-A1 · Jun 9, 2016 · US
Lithium manganese-based oxide and cathode active material including the same
US-2016141619-A1 · May 19, 2016 · US
Spinel powder and manufacturing process therefor, and processes for producing thermal spraying film and gas sensor elements
US-9340680-B2 · May 17, 2016 · US
Spinel-type lithium-manganese composite oxide
US-9337486-B2 · May 10, 2016 · US
Production of nanostructured Li4Ti5O12 with superior high rate performance
US-9327990-B2 · May 3, 2016 · US
LixMn2O4-y(Clz) SPINEL CATHODE MATERIAL, METHOD OF PREPARING THE SAME, AND RECHARGEABLE LITHIUM AND LI-ION ELECTROCHEMICAL SYSTEMS CONTAINING THE SAME
US-2016093876-A1 · Mar 31, 2016 · US
Ferrite ceramic composition, ceramic electronic component, and method for manufacturing ceramic electronic component
US-9296659-B2 · Mar 29, 2016 · US
Method for manufacturing sputtering target, method for forming oxide film, and transistor
US-9267199-B2 · Feb 23, 2016 · US
Method for the use of slurries in spray pyrolysis for the production of non-hollow, porous particles
US-2016049652-A1 · Feb 18, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01P2002/32?
- CPC C01P2002/32 is the Cooperative Patent Classification code for “spinel-type (AB2O4).”
- How many patents are filed under CPC C01P2002/32 (spinel-type (AB2O4))?
- Our database includes 462 publications tagged with this CPC code.
- Is patent activity under CPC C01P2002/32 growing?
- Publication counts under this code: 40 in 2024 vs 37 in 2025 (latest complete years).