- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 8/02 - Fuel cells; Manufacture thereof - Details
Patent holdings for IPC class H01M 8/02
Total number of patents in this class: 5525
10-year publication summary
|
619
|
364
|
213
|
151
|
107
|
69
|
29
|
38
|
33
|
11
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nissan Motor Co., Ltd. | 12249 |
233 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 13301 |
230 |
| Honda Motor Co., Ltd. | 24537 |
188 |
| Sumitomo Electric Industries, Ltd. | 14131 |
126 |
| Panasonic Corporation | 20786 |
112 |
| Toyota Motor Corporation | 28582 |
111 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
96 |
| GM Global Technology Operations LLC | 13620 |
81 |
| UTC Power Corporation | 280 |
78 |
| Bloom Energy Corporation | 590 |
75 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6275 |
75 |
| Intelligent Energy Limited | 464 |
64 |
| Sumitomo Chemical Company, Limited | 8808 |
62 |
| Hyundai Motor Company | 19021 |
61 |
| Audi AG | 7153 |
60 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
56 |
| Murata Manufacturing Co., Ltd. | 22355 |
54 |
| Kyocera Corporation | 12735 |
54 |
| NGK Insulators, Ltd. | 4589 |
50 |
| Toray Industries, Inc. | 6652 |
50 |
| Other owners | 3609 |