- 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 cells; Manufacture thereof
Patent holdings for IPC class H01M 8/00
Total number of patents in this class: 2239
10-year publication summary
|
105
|
98
|
105
|
120
|
93
|
84
|
77
|
68
|
80
|
16
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 13301 |
193 |
| Nissan Motor Co., Ltd. | 12249 |
71 |
| Panasonic Corporation | 20786 |
60 |
| Toyota Motor Corporation | 28582 |
59 |
| Honda Motor Co., Ltd. | 24537 |
55 |
| GM Global Technology Operations LLC | 13620 |
52 |
| Kyocera Corporation | 12735 |
48 |
| Robert Bosch GmbH | 40953 |
47 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
36 |
| Hyundai Motor Company | 19021 |
34 |
| Intelligent Energy Limited | 464 |
33 |
| Bloom Energy Corporation | 590 |
28 |
| FuelCell Energy, Inc. | 337 |
23 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
22 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6275 |
21 |
| UTC Power Corporation | 280 |
19 |
| Audi AG | 7153 |
18 |
| Daimler AG | 3462 |
17 |
| Kia Motors Corporation | 7946 |
17 |
| Sony Corporation | 32931 |
16 |
| Other owners | 1370 |