- 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: 534
10-year publication summary
|
42
|
36
|
49
|
41
|
43
|
42
|
59
|
32
|
24
|
12
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| GS Yuasa International Ltd. | 2028 |
121 |
| The Furukawa Battery Co., Ltd. | 174 |
40 |
| Hitachi Chemical Company, Ltd. | 2354 |
39 |
| The Furukawa Electric Co., Ltd. | 3645 |
25 |
| CPS Technology Holdings LLC | 723 |
18 |
| Showa Denko Materials Co., Ltd. | 624 |
18 |
| Cabot Corporation | 551 |
13 |
| Clarios Germany GmbH & Co. KG | 102 |
12 |
| Commonwealth Scientific and Industrial Research Organisation | 1655 |
11 |
| Gridtential Energy, Inc. | 44 |
11 |
| Johns Manville | 953 |
11 |
| Shin-Kobe Electric Machinery Co., Ltd. | 121 |
11 |
| Daramic, LLC | 217 |
9 |
| RSR Technologies, Inc. | 42 |
9 |
| Arcactive Limited | 28 |
8 |
| Group14 Technologies, Inc. | 107 |
6 |
| Panasonic Corporation | 20136 |
5 |
| Aqua Metals, Inc. | 38 |
4 |
| Bank of America, N.A. | 332 |
4 |
| Eskra Technical Products, Inc. | 14 |
4 |
| Other owners | 155 |