- 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: 92
10-year publication summary
|
8
|
2
|
15
|
17
|
11
|
5
|
7
|
13
|
11
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NGK Insulators, Ltd. | 4589 |
7 |
| ESS Tech, Inc. | 158 |
5 |
| Sumitomo Electric Industries, Ltd. | 14131 |
4 |
| Audi AG | 7153 |
3 |
| Xerox Corporation | 7503 |
2 |
| Toyota Motor Corporation | 28582 |
2 |
| W. L. Gore & Associates, Inc. | 2600 |
2 |
| Asahi Kasei Kabushiki Kaisha | 2429 |
2 |
| Daramic, LLC | 207 |
2 |
| Encite LLC | 44 |
2 |
| FuelCell Energy, Inc. | 337 |
2 |
| Kabushiki Kaisha Toyota Chuo Kenkyusho | 587 |
2 |
| Kolon Industries, Inc. | 1506 |
2 |
| Hydra Light International Ltd | 10 |
2 |
| RWE Gas Storage West GmbH | 7 |
2 |
| Westenergie AG | 14 |
2 |
| Hyaxiom, Inc. | 90 |
2 |
| Johnson Matthey Hydrogen Technologies Limited | 83 |
2 |
| Samsung Electronics Co., Ltd. | 131630 |
1 |
| 3m Innovative Properties Company | 18406 |
1 |
| Other owners | 43 |