- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 4/68 - Selection of materials for use in lead-acid accumulators
Patent holdings for IPC class H01M 4/68
Total number of patents in this class: 315
10-year publication summary
|
16
|
21
|
16
|
14
|
21
|
14
|
31
|
17
|
25
|
1
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Furukawa Battery Co., Ltd. | 171 |
52 |
| The Furukawa Electric Co., Ltd. | 3600 |
44 |
| GS Yuasa International Ltd. | 1964 |
29 |
| Gridtential Energy, Inc. | 44 |
16 |
| Arcactive Limited | 25 |
13 |
| CPS Technology Holdings LLC | 699 |
9 |
| Johns Manville | 964 |
7 |
| Shin-Kobe Electric Machinery Co., Ltd. | 121 |
7 |
| Wirtz Manufacturing Co., Inc. | 47 |
5 |
| Clarios Germany GmbH & Co. KG | 103 |
5 |
| Panasonic Corporation | 20315 |
4 |
| Hitachi Chemical Company, Ltd. | 2387 |
4 |
| Bar-Ilan University | 421 |
4 |
| Daramic, LLC | 214 |
4 |
| Molecular Rebar Design, LLC | 72 |
4 |
| Trojan Battery Company, LLC | 68 |
4 |
| Vulcan Automotive Industries Ltd. | 7 |
4 |
| Samsung SDI Co., Ltd. | 7347 |
3 |
| Panasonic Intellectual Property Management Co., Ltd. | 29733 |
3 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10692 |
3 |
| Other owners | 91 |