- 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: 5047
10-year publication summary
|
373
|
357
|
386
|
342
|
344
|
338
|
360
|
305
|
300
|
127
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Nissan Motor Co., Ltd. | 12381 |
115 |
| Toyota Motor Corporation | 31451 |
99 |
| Toray Industries, Inc. | 6891 |
98 |
| Robert Bosch GmbH | 42450 |
94 |
| NGK Insulators, Ltd. | 4920 |
94 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12864 |
91 |
| Sumitomo Electric Industries, Ltd. | 15344 |
83 |
| Panasonic Intellectual Property Management Co., Ltd. | 30967 |
81 |
| Hyundai Motor Company | 21626 |
75 |
| Samsung Electronics Co., Ltd. | 144143 |
66 |
| Kolon Industries, Inc. | 1628 |
64 |
| 3m Innovative Properties Company | 17849 |
63 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10837 |
62 |
| LG Chem, Ltd. | 17561 |
60 |
| Panasonic Corporation | 20173 |
44 |
| Audi AG | 7340 |
44 |
| N.E. Chemcat Corporation | 189 |
42 |
| Toppan Printing Co., Ltd. | 2138 |
41 |
| University of Yamanashi | 269 |
41 |
| Honda Motor Co., Ltd. | 25137 |
38 |
| Other owners | 3652 |