- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 8/24 - Grouping of fuel cells, e.g. stacking of fuel cells
Patent holdings for IPC class H01M 8/24
Total number of patents in this class: 2311
10-year publication summary
|
90
|
82
|
51
|
31
|
35
|
31
|
45
|
29
|
23
|
17
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Honda Motor Co., Ltd. | 26034 |
174 |
| Nissan Motor Co., Ltd. | 12966 |
93 |
| Toyota Motor Corporation | 35813 |
80 |
| Bloom Energy Corporation | 701 |
73 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12378 |
66 |
| Intelligent Energy Limited | 374 |
60 |
| GM Global Technology Operations LLC | 16155 |
57 |
| Kyocera Corporation | 14383 |
56 |
| Hyundai Motor Company | 24703 |
53 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11124 |
44 |
| Daimler AG | 2829 |
40 |
| Panasonic Corporation | 18962 |
38 |
| Audi AG | 7561 |
34 |
| UTC Power Corporation | 230 |
33 |
| Robert Bosch GmbH | 44176 |
26 |
| Murata Manufacturing Co., Ltd. | 25758 |
26 |
| Watt Fuel Cell Corp. | 171 |
25 |
| FuelCell Energy, Inc. | 324 |
24 |
| Morimura Sofc Technology Co.,Ltd | 71 |
24 |
| NGK Spark Plug Co., Ltd. | 875 |
21 |
| Other owners | 1264 |