- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 8/0273 - Sealing or supporting means around electrodes, matrices or membranes with sealing or supporting means in the form of a frame
Patent holdings for IPC class H01M 8/0273
Total number of patents in this class: 1100
10-year publication summary
|
75
|
117
|
114
|
93
|
96
|
111
|
83
|
97
|
116
|
76
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Honda Motor Co., Ltd. | 26594 |
110 |
| Robert Bosch GmbH | 44363 |
73 |
| Toyota Motor Corporation | 36327 |
63 |
| Hyundai Motor Company | 25034 |
44 |
| Nissan Motor Co., Ltd. | 13071 |
34 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11136 |
29 |
| Audi AG | 7584 |
29 |
| Sumitomo Electric Industries, Ltd. | 16404 |
27 |
| Schaeffler Technologies AG & Co. KG | 11213 |
26 |
| NOK Corporation | 2345 |
25 |
| Kia Corporation | 12767 |
23 |
| Reinz-Dichtungs-GmbH | 282 |
17 |
| cellcentric GmbH & Co. KG | 203 |
16 |
| Panasonic Intellectual Property Management Co., Ltd. | 34568 |
14 |
| ElringKlinger AG | 574 |
14 |
| EKPO Fuel Cell Technologies GmbH | 105 |
14 |
| Kia Motors Corporation | 7713 |
13 |
| Bloom Energy Corporation | 703 |
13 |
| Powercell Sweden AB | 130 |
12 |
| Nuvera Fuel Cells, LLC | 85 |
11 |
| Other owners | 493 |