- 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 cellsManufacture thereof Details
Patent holdings for IPC class H01M 8/02
Total number of patents in this class: 4940
10-year publication summary
|
190
|
142
|
103
|
68
|
30
|
39
|
34
|
35
|
42
|
3
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nissan Motor Co., Ltd. | 12725 |
185 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12634 |
181 |
| Honda Motor Co., Ltd. | 25775 |
163 |
| Sumitomo Electric Industries, Ltd. | 15890 |
130 |
| Panasonic Corporation | 19914 |
110 |
| Toyota Motor Corporation | 33770 |
107 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10984 |
81 |
| UTC Power Corporation | 237 |
75 |
| Bloom Energy Corporation | 661 |
74 |
| GM Global Technology Operations LLC | 15497 |
66 |
| Kabushiki Kaisha Toshiba, doing business as Toshiba Corporation | 6231 |
60 |
| Hyundai Motor Company | 23055 |
59 |
| Audi AG | 7414 |
59 |
| Intelligent Energy Limited | 387 |
59 |
| Panasonic Intellectual Property Management Co., Ltd. | 32753 |
58 |
| Sumitomo Chemical Company, Limited | 9120 |
53 |
| NGK Insulators, Ltd. | 5174 |
53 |
| Murata Manufacturing Co., Ltd. | 25187 |
50 |
| Kyocera Corporation | 14118 |
48 |
| Toray Industries, Inc. | 7020 |
47 |
| Other owners | 3222 |