- 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: 5176
10-year publication summary
|
333
|
368
|
327
|
339
|
328
|
344
|
295
|
305
|
281
|
16
|
| 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 |
114 |
| Robert Bosch GmbH | 43170 |
104 |
| Toyota Motor Corporation | 33770 |
103 |
| Toray Industries, Inc. | 7020 |
101 |
| NGK Insulators, Ltd. | 5174 |
96 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12634 |
87 |
| Sumitomo Electric Industries, Ltd. | 15890 |
84 |
| Panasonic Intellectual Property Management Co., Ltd. | 32753 |
83 |
| Hyundai Motor Company | 23055 |
79 |
| Kolon Industries, Inc. | 1727 |
68 |
| Samsung Electronics Co., Ltd. | 150361 |
66 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10984 |
60 |
| LG Chem, Ltd. | 17710 |
57 |
| 3m Innovative Properties Company | 17617 |
55 |
| University of Yamanashi | 268 |
46 |
| Audi AG | 7414 |
43 |
| Panasonic Corporation | 19914 |
42 |
| N.E. Chemcat Corporation | 188 |
42 |
| Honda Motor Co., Ltd. | 25775 |
41 |
| Toppan Printing Co., Ltd. | 2120 |
41 |
| Other owners | 3764 |