- 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: 304
10-year publication summary
|
14
|
16
|
21
|
16
|
14
|
21
|
14
|
31
|
17
|
14
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| The Furukawa Battery Co., Ltd. | 154 |
46 |
| The Furukawa Electric Co., Ltd. | 3486 |
39 |
| GS Yuasa International Ltd. | 1834 |
28 |
| Gridtential Energy, Inc. | 41 |
15 |
| Arcactive Limited | 24 |
12 |
| CPS Technology Holdings LLC | 652 |
9 |
| Johns Manville | 980 |
7 |
| Shin-Kobe Electric Machinery Co., Ltd. | 135 |
7 |
| Hitachi Chemical Company, Ltd. | 2455 |
6 |
| Clarios Germany GmbH & Co. KG | 88 |
5 |
| Panasonic Corporation | 20786 |
4 |
| Bar-Ilan University | 405 |
4 |
| Daramic, LLC | 207 |
4 |
| GS Yuasa Corporation | 91 |
4 |
| Molecular Rebar Design, LLC | 68 |
4 |
| Trojan Battery Company, LLC | 65 |
4 |
| Vulcan Automotive Industries Ltd. | 7 |
4 |
| Samsung SDI Co., Ltd. | 6671 |
3 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
3 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
3 |
| Other owners | 93 |