- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 4/94 - Non-porous diffusion electrodes, e.g. palladium membranes, ion exchange membranes
Patent holdings for IPC class H01M 4/94
Total number of patents in this class: 128
10-year publication summary
|
12
|
9
|
8
|
9
|
11
|
13
|
1
|
13
|
4
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Standard Energy Inc. | 117 |
5 |
| Honda Motor Co., Ltd. | 26025 |
4 |
| Umicore AG & Co. KG | 853 |
4 |
| Samsung Electronics Co., Ltd. | 157719 |
3 |
| 3m Innovative Properties Company | 17478 |
3 |
| Samsung SDI Co., Ltd. | 10589 |
3 |
| Hyundai Motor Company | 24653 |
3 |
| Audi AG | 7563 |
3 |
| Brilliant Light Power, Inc. | 70 |
3 |
| Saudi Arabian Oil Company | 14235 |
3 |
| Washington University | 1737 |
3 |
| Toyota Motor Corporation | 35772 |
2 |
| Robert Bosch GmbH | 44160 |
2 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11123 |
2 |
| BlackLight Power, Inc. | 8 |
2 |
| The Government of the United States of America, as represented by the Secretary of the Navy | 1451 |
2 |
| Korea Institute of Energy Research | 898 |
2 |
| National University Corporation Hokkaido University | 1366 |
2 |
| Plug Power Inc. | 120 |
2 |
| Mangrove Water Technologies Ltd. | 36 |
2 |
| Other owners | 73 |