- 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: 4815
10-year publication summary
|
397
|
373
|
357
|
386
|
340
|
342
|
334
|
347
|
292
|
70
|
| 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 |
121 |
| Toyota Motor Corporation | 28582 |
97 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 13301 |
94 |
| Toray Industries, Inc. | 6652 |
93 |
| Robert Bosch GmbH | 40953 |
87 |
| NGK Insulators, Ltd. | 4589 |
83 |
| Sumitomo Electric Industries, Ltd. | 14131 |
77 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
77 |
| Samsung Electronics Co., Ltd. | 131630 |
66 |
| Hyundai Motor Company | 19021 |
65 |
| 3m Innovative Properties Company | 18406 |
64 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
63 |
| LG Chem, Ltd. | 17205 |
59 |
| Kolon Industries, Inc. | 1506 |
57 |
| Panasonic Corporation | 20786 |
45 |
| Audi AG | 7153 |
44 |
| N.E. Chemcat Corporation | 193 |
43 |
| Toppan Printing Co., Ltd. | 2212 |
41 |
| Honda Motor Co., Ltd. | 24537 |
40 |
| University of Yamanashi | 270 |
38 |
| Other owners | 3461 |