- 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: 926
10-year publication summary
|
59
|
75
|
117
|
114
|
92
|
96
|
110
|
78
|
95
|
7
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Honda Motor Co., Ltd. | 24868 |
95 |
| Toyota Motor Corporation | 30398 |
62 |
| Robert Bosch GmbH | 41765 |
53 |
| Nissan Motor Co., Ltd. | 12337 |
46 |
| Hyundai Motor Company | 20442 |
37 |
| Audi AG | 7276 |
29 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10694 |
28 |
| Sumitomo Electric Industries, Ltd. | 14956 |
25 |
| NOK Corporation | 2165 |
21 |
| Kia Corporation | 8110 |
15 |
| cellcentric GmbH & Co. KG | 179 |
14 |
| Panasonic Intellectual Property Management Co., Ltd. | 29687 |
13 |
| Kia Motors Corporation | 7777 |
13 |
| EKPO Fuel Cell Technologies GmbH | 80 |
13 |
| Schaeffler Technologies AG & Co. KG | 9386 |
12 |
| ElringKlinger AG | 512 |
12 |
| Nuvera Fuel Cells, LLC | 112 |
11 |
| Morimura Sofc Technology Co.,Ltd | 89 |
11 |
| Bloom Energy Corporation | 628 |
10 |
| Reinz-Dichtungs-GmbH | 262 |
10 |
| Other owners | 396 |