- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 8/04955 - Shut-off or shut-down of fuel cells
Patent holdings for IPC class H01M 8/04955
Total number of patents in this class: 385
10-year publication summary
|
25
|
36
|
30
|
41
|
22
|
30
|
40
|
31
|
31
|
10
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Hyundai Motor Company | 24602 |
41 |
| Toyota Motor Corporation | 35680 |
38 |
| Robert Bosch GmbH | 44128 |
23 |
| Kia Corporation | 12346 |
18 |
| Honda Motor Co., Ltd. | 26008 |
16 |
| Panasonic Intellectual Property Management Co., Ltd. | 33911 |
15 |
| Kia Motors Corporation | 7718 |
14 |
| Nissan Motor Co., Ltd. | 12947 |
13 |
| Kyocera Corporation | 14335 |
8 |
| Hydrogenics Corporation | 188 |
8 |
| Volvo Truck Corporation | 3902 |
8 |
| cellcentric GmbH & Co. KG | 201 |
8 |
| Ford Global Technologies, LLC | 21478 |
7 |
| GM Global Technology Operations LLC | 16106 |
6 |
| Audi AG | 7559 |
6 |
| Ceres Intellectual Property Company Limited | 253 |
6 |
| ESS Tech, Inc. | 197 |
6 |
| Cummins Inc. | 2631 |
5 |
| Bayerische Motoren Werke Aktiengesellschaft | 15252 |
4 |
| Dana Heavy Vehicle Systems Group, LLC | 358 |
4 |
| Other owners | 131 |