- 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: 5289
10-year publication summary
|
357
|
386
|
342
|
344
|
340
|
363
|
321
|
312
|
302
|
184
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Robert Bosch GmbH | 44238 |
114 |
| Toyota Motor Corporation | 35906 |
111 |
| Nissan Motor Co., Ltd. | 12994 |
109 |
| Toray Industries, Inc. | 7122 |
104 |
| NGK Insulators, Ltd. | 5199 |
97 |
| Panasonic Intellectual Property Management Co., Ltd. | 34145 |
86 |
| Hyundai Motor Company | 24787 |
85 |
| Sumitomo Electric Industries, Ltd. | 16412 |
84 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12376 |
75 |
| Kolon Industries, Inc. | 1844 |
72 |
| Samsung Electronics Co., Ltd. | 158337 |
66 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11130 |
60 |
| LG Chem, Ltd. | 17937 |
57 |
| 3m Innovative Properties Company | 17484 |
53 |
| University of Yamanashi | 268 |
45 |
| Audi AG | 7568 |
43 |
| N.E. Chemcat Corporation | 188 |
43 |
| Honda Motor Co., Ltd. | 26090 |
41 |
| Toppan Printing Co., Ltd. | 2082 |
41 |
| Panasonic Corporation | 18896 |
40 |
| Other owners | 3863 |