- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 8/00 - Fuel cellsManufacture thereof
Patent holdings for IPC class H01M 8/00
Total number of patents in this class: 2102
10-year publication summary
|
100
|
105
|
120
|
94
|
82
|
79
|
73
|
87
|
77
|
59
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12797 |
171 |
| Nissan Motor Co., Ltd. | 12486 |
59 |
| Robert Bosch GmbH | 42684 |
57 |
| Panasonic Corporation | 20099 |
56 |
| Toyota Motor Corporation | 32231 |
53 |
| Honda Motor Co., Ltd. | 25274 |
50 |
| Kyocera Corporation | 13831 |
48 |
| GM Global Technology Operations LLC | 15062 |
46 |
| Panasonic Intellectual Property Management Co., Ltd. | 31475 |
39 |
| Hyundai Motor Company | 22022 |
36 |
| Bloom Energy Corporation | 660 |
25 |
| Intelligent Energy Limited | 406 |
24 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10912 |
22 |
| FuelCell Energy, Inc. | 328 |
20 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6273 |
20 |
| Daimler AG | 3388 |
17 |
| Sony Corporation | 31036 |
16 |
| Komatsu Ltd. | 4554 |
16 |
| Kia Motors Corporation | 7754 |
15 |
| Audi AG | 7361 |
15 |
| Other owners | 1297 |