- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 4/14 - Electrodes for lead-acid accumulators
Patent holdings for IPC class H01M 4/14
Total number of patents in this class: 552
10-year publication summary
|
35
|
49
|
41
|
42
|
43
|
58
|
32
|
23
|
20
|
8
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| GS Yuasa International Ltd. | 2217 |
124 |
| The Furukawa Battery Co., Ltd. | 176 |
42 |
| Hitachi Chemical Company, Ltd. | 2268 |
39 |
| The Furukawa Electric Co., Ltd. | 3700 |
25 |
| CPS Technology Holdings LLC | 769 |
18 |
| Showa Denko Materials Co., Ltd. | 624 |
18 |
| Cabot Corporation | 556 |
13 |
| Clarios Germany GmbH & Co. KG | 105 |
12 |
| Commonwealth Scientific and Industrial Research Organisation | 1658 |
11 |
| Daramic, LLC | 219 |
11 |
| Gridtential Energy, Inc. | 45 |
11 |
| Johns Manville | 926 |
11 |
| Shin-Kobe Electric Machinery Co., Ltd. | 119 |
11 |
| RSR Technologies, Inc. | 29 |
9 |
| Arcactive Limited | 28 |
8 |
| Group14 Technologies, Inc. | 118 |
6 |
| Trojan Battery Company, LLC | 73 |
6 |
| Panasonic Corporation | 19586 |
5 |
| Eternity Technologies Limited | 5 |
5 |
| Aqua Metals, Inc. | 35 |
4 |
| Other owners | 163 |