- 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: 2648
10-year publication summary
|
317
|
183
|
89
|
82
|
51
|
30
|
35
|
29
|
43
|
13
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Honda Motor Co., Ltd. | 24537 |
212 |
| Nissan Motor Co., Ltd. | 12249 |
128 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 13301 |
97 |
| Toyota Motor Corporation | 28582 |
86 |
| Bloom Energy Corporation | 590 |
73 |
| Intelligent Energy Limited | 464 |
65 |
| Kyocera Corporation | 12735 |
62 |
| GM Global Technology Operations LLC | 13620 |
61 |
| Hyundai Motor Company | 19021 |
53 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
53 |
| Daimler AG | 3462 |
42 |
| Panasonic Corporation | 20786 |
41 |
| Audi AG | 7153 |
40 |
| UTC Power Corporation | 280 |
34 |
| Toyota Jidosha Kabushiki Kaisha | 983 |
33 |
| Murata Manufacturing Co., Ltd. | 22355 |
27 |
| Morimura Sofc Technology Co.,Ltd | 94 |
26 |
| FuelCell Energy, Inc. | 337 |
25 |
| Watt Fuel Cell Corp. | 122 |
25 |
| NGK Spark Plug Co., Ltd. | 935 |
23 |
| Other owners | 1442 |