- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 8/04746 - PressureFlow
Patent holdings for IPC class H01M 8/04746
Total number of patents in this class: 3081
10-year publication summary
|
195
|
191
|
232
|
208
|
232
|
270
|
312
|
358
|
335
|
236
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toyota Motor Corporation | 35927 |
310 |
| Hyundai Motor Company | 24808 |
308 |
| Robert Bosch GmbH | 44254 |
273 |
| Kia Corporation | 12539 |
168 |
| Honda Motor Co., Ltd. | 26105 |
134 |
| Kia Motors Corporation | 7718 |
91 |
| Nissan Motor Co., Ltd. | 13014 |
86 |
| GM Global Technology Operations LLC | 16188 |
43 |
| Panasonic Intellectual Property Management Co., Ltd. | 34265 |
42 |
| Ford Global Technologies, LLC | 21560 |
40 |
| Audi AG | 7571 |
39 |
| Volvo Truck Corporation | 3937 |
39 |
| Kyocera Corporation | 14423 |
36 |
| AVL List GmbH | 1330 |
36 |
| Hydrogenics Corporation | 189 |
36 |
| Bloom Energy Corporation | 703 |
33 |
| Ceres Intellectual Property Company Limited | 252 |
30 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11127 |
28 |
| Cummins Inc. | 2641 |
28 |
| FuelCell Energy, Inc. | 323 |
27 |
| Other owners | 1254 |