- 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: 113
10-year publication summary
|
2
|
12
|
16
|
12
|
5
|
7
|
12
|
11
|
14
|
9
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NGK Insulators, Ltd. | 5016 |
8 |
| Standard Energy Inc. | 100 |
8 |
| ESS Tech, Inc. | 200 |
6 |
| Sumitomo Electric Industries, Ltd. | 15593 |
4 |
| Audi AG | 7375 |
3 |
| Xerox Corporation | 6986 |
2 |
| Toyota Motor Corporation | 32788 |
2 |
| W. L. Gore & Associates, Inc. | 2718 |
2 |
| Asahi Kasei Kabushiki Kaisha | 2684 |
2 |
| Encite LLC | 38 |
2 |
| FuelCell Energy, Inc. | 327 |
2 |
| Kolon Industries, Inc. | 1694 |
2 |
| Hydra Light International Ltd | 9 |
2 |
| SRB Co., Ltd. | 9 |
2 |
| RWE Gas Storage West GmbH | 8 |
2 |
| Westenergie AG | 14 |
2 |
| Hyaxiom, Inc. | 108 |
2 |
| Johnson Matthey Hydrogen Technologies Limited | 117 |
2 |
| Samsung Electronics Co., Ltd. | 147501 |
1 |
| 3m Innovative Properties Company | 17795 |
1 |
| Other owners | 56 |