- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 8/0289 - Means for holding the electrolyte
Patent holdings for IPC class H01M 8/0289
Total number of patents in this class: 116
10-year publication summary
|
12
|
16
|
12
|
5
|
7
|
12
|
11
|
14
|
12
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Standard Energy Inc. | 111 |
10 |
| NGK Insulators, Ltd. | 5205 |
8 |
| ESS Tech, Inc. | 197 |
6 |
| Sumitomo Electric Industries, Ltd. | 15967 |
4 |
| Audi AG | 7430 |
3 |
| Toyota Motor Corporation | 33951 |
2 |
| W. L. Gore & Associates, Inc. | 2714 |
2 |
| Asahi Kasei Kabushiki Kaisha | 2742 |
2 |
| Encite LLC | 38 |
2 |
| FuelCell Energy, Inc. | 326 |
2 |
| Kolon Industries, Inc. | 1737 |
2 |
| SRB Co., Ltd. | 9 |
2 |
| RWE Gas Storage West GmbH | 8 |
2 |
| Westenergie AG | 14 |
2 |
| Hyaxiom, Inc. | 121 |
2 |
| Johnson Matthey Hydrogen Technologies Limited | 129 |
2 |
| Samsung Electronics Co., Ltd. | 151485 |
1 |
| 3m Innovative Properties Company | 17592 |
1 |
| Honda Motor Co., Ltd. | 25773 |
1 |
| Xerox Corporation | 5885 |
1 |
| Other owners | 59 |