Crystalline magnesium oxide carbon composites
US-2020346931-A1 · Nov 5, 2020 · US
by mass-spectroscopy
by mass-spectroscopy · 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 | C01P2002/89 |
| Official title | by mass-spectroscopy |
| Display label | by mass-spectroscopy |
| Total patents | 139 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 10 |
| 2016 | 13 |
| 2017 | 10 |
| 2018 | 8 |
| 2019 | 13 |
| 2020 | 11 |
| 2021 | 15 |
| 2022 | 18 |
| 2023 | 11 |
| 2024 | 12 |
| 2025 | 15 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Ammonia detection material and detector
US-2020309751-A1 · Oct 1, 2020 · US
Toughened ceramic and methods of toughening ceramic
US-2020308055-A1 · Oct 1, 2020 · US
Cu2XSnY4 nanoparticles
US-10756221-B2 · Aug 25, 2020 · US
Spherical boron nitride fine powder, method for manufacturing same and thermally conductive resin composition using same
US-10752503-B2 · Aug 25, 2020 · US
Spherical boron nitride fine powder, method for manufacturing same and thermally conductive resin composition using same
US-2020048091-A1 · Feb 13, 2020 · US
Fibrous carbon nanostructure dispersion liquid, method of producing same, and fibrous carbon nanostructure
US-2019389728-A1 · Dec 26, 2019 · US
Electrode material for lithium ion secondary battery, electrode material granulated body for lithium ion secondary battery, electrode for lithium ion secondary battery, and lithium ion secondary battery
US-2019305307-A1 · Oct 3, 2019 · US
Exfoliating layered transition metal dichalcogenides
US-10414668-B1 · Sep 17, 2019 · US
Metal-Doped Positive Electrode Active Material For High Voltage
US-2019221845-A1 · Jul 18, 2019 · US
Positive electrode active material for lithium secondary battery, preparing method thereof, and lithium secondary battery including positive electrode including the same
US-10340510-B2 · Jul 2, 2019 · US
Soluble graphene nanostructures and assemblies therefrom
US-10326077-B2 · Jun 18, 2019 · US
Garnet-type ion-conducting oxide and method for producing oxide electrolyte sintered body
US-2019088993-A1 · Mar 21, 2019 · US
Analytical method for precipitated particles during co-precipitation reaction
US-2019017979-A1 · Jan 17, 2019 · US
Cu2XSnY4 Nanoparticles
US-2019019906-A1 · Jan 17, 2019 · US
Cu2XSnY4 nanoparticles
US-10177263-B2 · Jan 8, 2019 · US
Cu2XSnY4 Nanoparticles
US-10177262-B2 · Jan 8, 2019 · US
Solid electrolyte technology with rearrangeable bonds for metal and metal-ion batteries
US-2019006672-A1 · Jan 3, 2019 · US
Cathode active material used for lithium ion secondary battery, method for producing same, and lithium ion secondary battery
US-2019006670-A1 · Jan 3, 2019 · US
Black particles and process for producing black particles
US-2018354798-A1 · Dec 13, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01P2002/89?
- CPC C01P2002/89 is the Cooperative Patent Classification code for “by mass-spectroscopy.”
- How many patents are filed under CPC C01P2002/89 (by mass-spectroscopy)?
- Our database includes 139 publications tagged with this CPC code.
- Is patent activity under CPC C01P2002/89 growing?
- Publication counts under this code: 12 in 2024 vs 15 in 2025 (latest complete years).