- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 4/86 - Inert electrodes with catalytic activity, e.g. for fuel cells
Patent holdings for IPC class H01M 4/86
Total number of patents in this class: 5305
10-year publication summary
|
357
|
386
|
342
|
344
|
340
|
364
|
322
|
312
|
303
|
208
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 44291 |
114 |
| Toyota Motor Corporation | 36092 |
113 |
| Nissan Motor Co., Ltd. | 13028 |
109 |
| Toray Industries, Inc. | 7145 |
104 |
| NGK Insulators, Ltd. | 5172 |
97 |
| Panasonic Intellectual Property Management Co., Ltd. | 34403 |
87 |
| Hyundai Motor Company | 24898 |
85 |
| Sumitomo Electric Industries, Ltd. | 16345 |
84 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12323 |
75 |
| Kolon Industries, Inc. | 1855 |
72 |
| Samsung Electronics Co., Ltd. | 158842 |
66 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11128 |
60 |
| LG Chem, Ltd. | 17967 |
57 |
| 3m Innovative Properties Company | 17445 |
53 |
| University of Yamanashi | 268 |
45 |
| Audi AG | 7577 |
44 |
| N.E. Chemcat Corporation | 188 |
43 |
| Honda Motor Co., Ltd. | 26212 |
42 |
| Toppan Printing Co., Ltd. | 2080 |
41 |
| Johnson Matthey Hydrogen Technologies Limited | 167 |
41 |
| Other owners | 3873 |