- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 8/0276 - Sealing means characterised by their form
Patent holdings for IPC class H01M 8/0276
Total number of patents in this class: 547
10-year publication summary
43
|
39
|
51
|
56
|
27
|
62
|
44
|
54
|
49
|
40
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Honda Motor Co., Ltd. | 25174 |
60 |
NOK Corporation | 2215 |
38 |
Robert Bosch GmbH | 42632 |
32 |
Toyota Motor Corporation | 31819 |
27 |
Hyundai Motor Company | 21897 |
26 |
GM Global Technology Operations LLC | 14968 |
18 |
Reinz-Dichtungs-GmbH | 278 |
17 |
Bloom Energy Corporation | 661 |
12 |
Audi AG | 7345 |
11 |
Kia Corporation | 9582 |
11 |
Nissan Motor Co., Ltd. | 12458 |
10 |
EKPO Fuel Cell Technologies GmbH | 90 |
10 |
Schaeffler Technologies AG & Co. KG | 9818 |
9 |
Kia Motors Corporation | 7757 |
9 |
Intelligent Energy Limited | 407 |
9 |
Commissariat à l'énergie atomique et aux energies alternatives | 10924 |
8 |
Ceres Power Limited | 25 |
8 |
Ceres Intellectual Property Company Limited | 262 |
6 |
Sumitomo Riko Company Limited | 1051 |
6 |
Johnson Matthey Hydrogen Technologies Limited | 113 |
6 |
Other owners | 214 |