- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 8/0286 - Processes for forming seals
Patent holdings for IPC class H01M 8/0286
Total number of patents in this class: 479
10-year publication summary
30
|
37
|
49
|
35
|
26
|
54
|
62
|
41
|
46
|
38
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Robert Bosch GmbH | 42826 |
62 |
NOK Corporation | 2238 |
36 |
Honda Motor Co., Ltd. | 25780 |
24 |
Toyota Motor Corporation | 33015 |
23 |
Hyundai Motor Company | 22435 |
17 |
Audi AG | 7377 |
13 |
Commissariat à l'énergie atomique et aux energies alternatives | 10956 |
11 |
GM Global Technology Operations LLC | 15192 |
9 |
Kia Motors Corporation | 7749 |
8 |
EKPO Fuel Cell Technologies GmbH | 92 |
8 |
cellcentric GmbH & Co. KG | 185 |
8 |
Schaeffler Technologies AG & Co. KG | 10035 |
7 |
Threebond Co., Ltd. | 135 |
7 |
Symbio | 16 |
7 |
LG Chem, Ltd. | 17680 |
6 |
Nissan Motor Co., Ltd. | 12572 |
6 |
Hydrogenics Corporation | 194 |
6 |
Powercell Sweden AB | 111 |
6 |
Sumitomo Riko Company Limited | 1089 |
6 |
Compagnie Generale des Etablissements Michelin | 4766 |
6 |
Other owners | 203 |