Separator, method of manufacturing the same and battery using the same
US-2015372275-A1 · Dec 24, 2015 · US
Separators, membranes or diaphragms characterised by their shape
Separators, membranes or diaphragms characterised by their shape · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01M50/463 |
| Official title | Separators, membranes or diaphragms characterised by their shape |
| Display label | Separators, membranes or diaphragms characterised by their shape |
| Total patents | 1,544 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 113 |
| 2016 | 101 |
| 2017 | 150 |
| 2018 | 107 |
| 2019 | 132 |
| 2020 | 170 |
| 2021 | 157 |
| 2022 | 152 |
| 2023 | 111 |
| 2024 | 170 |
| 2025 | 157 |
| 2026 | 24 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Heat-resistant microporous film and battery separator
US-2015372278-A1 · Dec 24, 2015 · US
Fuel cell
US-2015372321-A1 · Dec 24, 2015 · US
Use of a ceramic separator in lithium ion batteries, comprising an electrolyte containing ionic fluids
US-9214659-B2 · Dec 15, 2015 · US
Lithium Secondary Battery
US-2015349308-A1 · Dec 3, 2015 · US
Nonaqueous electrolyte secondary battery
US-9190668-B2 · Nov 17, 2015 · US
Electric storage element
US-9190650-B2 · Nov 17, 2015 · US
Microporous membrane winding and method for manufacturing the same
US-9184429-B2 · Nov 10, 2015 · US
Electrochemical cells including a conductive matrix
US-2015318586-A1 · Nov 5, 2015 · US
Rechargeable battery and manufacturing method of the same
US-9174265-B2 · Nov 3, 2015 · US
Lithium battery
US-9178199-B2 · Nov 3, 2015 · US
Battery separators with variable porosity
US-9172075-B2 · Oct 27, 2015 · US
Stepped battery and method and device for manufacturing the same
US-2015295273-A1 · Oct 15, 2015 · US
Secondary battery
US-2015295217-A1 · Oct 15, 2015 · US
Non-aqueous electrolyte battery and method of manufacturing the same
US-2015287996-A1 · Oct 8, 2015 · US
Secondary battery including retainer for electrode assembly
US-9153809-B2 · Oct 6, 2015 · US
Separator for electrochemical device and method for manufacturing the same
US-2015280192-A1 · Oct 1, 2015 · US
Battery
US-2015270518-A1 · Sep 24, 2015 · US
Electrode assembly and secondary battery using the same
US-9142821-B2 · Sep 22, 2015 · US
Cable-type secondary battery
US-9142865-B2 · Sep 22, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01M50/463?
- CPC H01M50/463 is the Cooperative Patent Classification code for “Separators, membranes or diaphragms characterised by their shape.”
- How many patents are filed under CPC H01M50/463 (Separators, membranes or diaphragms characterised by their shape)?
- Our database includes 1,544 publications tagged with this CPC code.
- Is patent activity under CPC H01M50/463 growing?
- Publication counts under this code: 170 in 2024 vs 157 in 2025 (latest complete years).