Solid-state lithium-ion conductor and methods of manufacture thereof
US-2022263061-A1 · Aug 18, 2022 · US
Anodisation, Oxidation (electrolytic coating by anodisation C25D9/00)
Anodisation, Oxidation (electrolytic coating by anodisation C25D9/00) · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01M4/0442 |
| Official title | {Anodisation, Oxidation (electrolytic coating by anodisation C25D9/00)} |
| Display label | Anodisation, Oxidation (electrolytic coating by anodisation C25D9/00) |
| Total patents | 77 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 9 |
| 2017 | 5 |
| 2018 | 5 |
| 2019 | 9 |
| 2020 | 15 |
| 2021 | 9 |
| 2022 | 7 |
| 2023 | 6 |
| 2024 | 2 |
| 2025 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Lithium metal surface modification using carbonate passivation
US-2022181599-A1 · Jun 9, 2022 · US
Method for producing yttrium oxide-containing thin film by atomic layer deposition
US-11335896-B2 · May 17, 2022 · US
Method of preparing electrode for lithium secondary battery and electrode for lithium secondary battery prepared by using the same
US-2021359287-A1 · Nov 18, 2021 · US
Self-standing tin sulfide film for flexible batteries
US-11177473-B2 · Nov 16, 2021 · US
Supporter of lithium metal and methods thereof
US-2021296641-A1 · Sep 23, 2021 · US
Energy storage device
US-2021273306-A1 · Sep 2, 2021 · US
Positive electrode active material for nonaqueous electrolyte secondary batteries, production method thereof, and nonaqueous electrolyte secondary battery
US-11063257-B2 · Jul 13, 2021 · US
Porous Solid Materials and Methods for Fabrication
US-2021174982-A1 · Jun 10, 2021 · US
Fabrication of solid-state battery cells and solid-state batteries
US-11028496-B2 · Jun 8, 2021 · US
Cathode for metal-air battery, preparing method thereof, and metal-air battery comprising the same
US-2021126240-A1 · Apr 29, 2021 · US
High capacity electrode materials for batteries and process for their manufacture
US-2021028451-A1 · Jan 28, 2021 · US
High Oxidation State Periodate Battery
US-2020358074-A1 · Nov 12, 2020 · US
Method of making an anode structure containing a porous region
US-10833311-B2 · Nov 10, 2020 · US
Electrode for use in an electrical energy storage apparatus and a method for manufacturing an electrode for use in an electrical energy storage apparatus
US-2020303746-A1 · Sep 24, 2020 · US
Method of inspecting output of fuel cell
US-10770739-B2 · Sep 8, 2020 · US
Self-standing tin sulfide film for flexible batteries
US-2020274157-A1 · Aug 27, 2020 · US
Battery
US-10727491-B2 · Jul 28, 2020 · US
Electrochemical cell for lithium accumulator comprising a specific negative electrode made of metallic lithium and a positive electrode on aluminium collector
US-2020220201-A1 · Jul 9, 2020 · US
Fabrication of Solid-State Battery Cells and Solid-State Batteries
US-2020194773-A1 · Jun 18, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01M4/0442?
- CPC H01M4/0442 is the Cooperative Patent Classification code for “Anodisation, Oxidation (electrolytic coating by anodisation C25D9/00).”
- How many patents are filed under CPC H01M4/0442 (Anodisation, Oxidation (electrolytic coating by anodisation C25D9/00))?
- Our database includes 77 publications tagged with this CPC code.
- Is patent activity under CPC H01M4/0442 growing?
- Publication counts under this code: 2 in 2024 vs 5 in 2025 (latest complete years).