Positive electrode active material and preparation method thereof, positive electrode plate, secondary battery, battery module, battery pack, and electric apparatus
US-2024429384-A1 · Dec 26, 2024 · US
Complex oxides
Complex oxides · 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 | C30B29/22 |
| Official title | Complex oxides |
| Display label | Complex oxides |
| Total patents | 495 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 26 |
| 2016 | 36 |
| 2017 | 31 |
| 2018 | 44 |
| 2019 | 46 |
| 2020 | 43 |
| 2021 | 52 |
| 2022 | 52 |
| 2023 | 46 |
| 2024 | 46 |
| 2025 | 63 |
| 2026 | 10 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Off-axis sputtering deposition for growth of single crystalline films of a broad range of complex materials
US-2016362812-A1 · Dec 15, 2016 · US
Electrocatalyst for acidic media and method of making an electrocatalyst for acidic media
US-2016340791-A1 · Nov 24, 2016 · US
Sintered electrically conductive oxide for oxygen sensor electrode, and oxygen sensor using the same
US-2016334361-A1 · Nov 17, 2016 · US
Method for Forming Heterogeneous Single Garnet Based Crystals for Passive Q-Switched Lasers and Microlasers
US-2016326666-A1 · Nov 10, 2016 · US
Nickel cobalt complex hydroxide particles and method for producing the same, positive electrode active material for non-aqueous electrolyte secondary battery and method for producing the same, and non-aqueous electrolyte secondary battery
US-2016322627-A1 · Nov 3, 2016 · US
Magneto-optical material, Faraday rotator, and optical isolator
US-9482888-B2 · Nov 1, 2016 · US
Ternary inorganic compound crystal and preparation method and application thereof
US-2016297680-A1 · Oct 13, 2016 · US
Proton conductor and proton conductor device
US-9466852-B2 · Oct 11, 2016 · US
Pseudocapacitive electrodes and methods of forming
US-2016293346-A1 · Oct 6, 2016 · US
Method for growing GZO (ZnO:Ga) crystals
US-9458553-B2 · Oct 4, 2016 · US
Spinel-Type Lithium Metal Composite Oxide
US-2016276665-A1 · Sep 22, 2016 · US
Tungsten oxide-type compound having a new crystalline structure and method for preparing same
US-2016264430-A1 · Sep 15, 2016 · US
Transition metal composite hydroxide capable of serving as precursor of positive electrode active material for nonaqueous electrolyte secondary batteries, method for producing same, postive electrode active material for nona queous electrolyte secondary batteries, method for producing positive electrode active material, and nonaqueous electrolyte secondary battery using postivie electrode active material
US-2016248091-A1 · Aug 25, 2016 · US
Transition metal composite hydroxide capable of serving as precursor of positive electrode active material for nonaqueous electrolyte secondary batteries, method for producing same, positive electrode active material for nonaqueous electrolyte secondary batteries, method for producing positive electrode active material, and nonaqueous electrolyte secondary battery using positive electrode active material
US-2016244336-A1 · Aug 25, 2016 · US
Substrate for epitaxial growth, and crystal laminate structure
US-2016233307-A1 · Aug 11, 2016 · US
A Method for Growing GZO (ZnO:Ga) Crystals
US-2016230308-A1 · Aug 11, 2016 · US
Multi-stage ramp-up annealing for frequency-conversion crystals
US-9413134-B2 · Aug 9, 2016 · US
Method for manufacturing lithium cobaltate oriented sintered plate
US-2016211506-A1 · Jul 21, 2016 · US
Method for forming oxide layer, laminated substrate for epitaxial growth, and method for producing the same
US-2016194750-A1 · Jul 7, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C30B29/22?
- CPC C30B29/22 is the Cooperative Patent Classification code for “Complex oxides.”
- How many patents are filed under CPC C30B29/22 (Complex oxides)?
- Our database includes 495 publications tagged with this CPC code.
- Is patent activity under CPC C30B29/22 growing?
- Publication counts under this code: 46 in 2024 vs 63 in 2025 (latest complete years).