- 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: 5162
10-year publication summary
|
349
|
333
|
368
|
327
|
339
|
328
|
344
|
292
|
305
|
271
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nissan Motor Co., Ltd. | 12673 |
116 |
| Toyota Motor Corporation | 33519 |
104 |
| Toray Industries, Inc. | 7015 |
101 |
| Robert Bosch GmbH | 43096 |
98 |
| NGK Insulators, Ltd. | 5146 |
96 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12657 |
89 |
| Sumitomo Electric Industries, Ltd. | 15789 |
84 |
| Panasonic Intellectual Property Management Co., Ltd. | 32504 |
83 |
| Hyundai Motor Company | 22842 |
77 |
| Kolon Industries, Inc. | 1721 |
68 |
| Samsung Electronics Co., Ltd. | 149198 |
66 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10954 |
60 |
| LG Chem, Ltd. | 17706 |
58 |
| 3m Innovative Properties Company | 17719 |
56 |
| University of Yamanashi | 268 |
46 |
| Audi AG | 7400 |
43 |
| Panasonic Corporation | 19952 |
42 |
| N.E. Chemcat Corporation | 189 |
42 |
| Honda Motor Co., Ltd. | 25784 |
41 |
| Toppan Printing Co., Ltd. | 2122 |
41 |
| Other owners | 3751 |