Magnetic recording medium, manufacturing method of e-type iron oxide particles, and manufacturing method of magnetic recording medium
US-2020279582-A1 · Sep 3, 2020 · US
Complex oxides containing cobalt and at least one other metal element
Complex oxides containing cobalt and at least one other metal element · 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 | C01G51/40 |
| Official title | Complex oxides containing cobalt and at least one other metal element |
| Display label | Complex oxides containing cobalt and at least one other metal element |
| Total patents | 138 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 10 |
| 2017 | 14 |
| 2018 | 12 |
| 2019 | 12 |
| 2020 | 15 |
| 2021 | 10 |
| 2022 | 14 |
| 2023 | 13 |
| 2024 | 13 |
| 2025 | 16 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Positive electrode active material and alkaline battery
US-10644311-B2 · May 5, 2020 · US
High surface area crystalline metal aluminates and a method of manufacture thereof at lower temperature
US-2020123018-A1 · Apr 23, 2020 · US
Manganese-Cobalt Spinel Oxide Nanowire Arrays
US-2020061591-A1 · Feb 27, 2020 · US
Iron-based oxide magnetic particle powder and method for producing iron-based oxide magnetic particle powder
US-10504548-B2 · Dec 10, 2019 · US
Method for producing oxide particles with controlled color characteristics, oxide particles, and coating or film-like composition comprising the same
US-2019338137-A1 · Nov 7, 2019 · US
Method for the synthesis of nanoparticles of heterometallic nanocomposite materials
US-10450201-B2 · Oct 22, 2019 · US
Anode active material for secondary battery, preparation method thereof and secondary battery comprising the same
US-2019319265-A1 · Oct 17, 2019 · US
A method for preparing metal oxide nanosheets
US-2019273255-A1 · Sep 5, 2019 · US
Method for producing oxide particles with controlled color characteristics, oxide particles, and coating or film-like composition comprising the same
US-10400107-B2 · Sep 3, 2019 · US
Positive active material and lithium-ion battery
US-2019245199-A1 · Aug 8, 2019 · US
Open vessels and their use
US-2019119169-A1 · Apr 25, 2019 · US
Method for the synthesis of nanoparticles of heterometallic nanocomposite materials
US-2019100440-A1 · Apr 4, 2019 · US
Positive electrode active material and alkaline battery
US-2019067687-A1 · Feb 28, 2019 · US
A method for producing metal nanoparticles and metal sulfide nanoparticles using a recombinant microorganism
US-2019024124-A1 · Jan 24, 2019 · US
Solar energy absorbing coatings and methods of fabrication
US-10184051-B2 · Jan 22, 2019 · US
Metal oxide catalyst, method of preparing the catalyst, and method of alcohol using the same
US-2018280940-A1 · Oct 4, 2018 · US
Positive electrode active material for rechargable lithium battery, method for manufacturing same, and rechargable lithium battery including same
US-2018254473-A1 · Sep 6, 2018 · US
Microwave synthesis of cobalt tungstate for use as stable oxygen evolution catalyst
US-10040050-B2 · Aug 7, 2018 · US
Method for producing iron-based oxide magnetic particle powder
US-2018208479-A1 · Jul 26, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01G51/40?
- CPC C01G51/40 is the Cooperative Patent Classification code for “Complex oxides containing cobalt and at least one other metal element.”
- How many patents are filed under CPC C01G51/40 (Complex oxides containing cobalt and at least one other metal element)?
- Our database includes 138 publications tagged with this CPC code.
- Is patent activity under CPC C01G51/40 growing?
- Publication counts under this code: 13 in 2024 vs 16 in 2025 (latest complete years).