- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 4/92 - Metals of platinum group
Patent holdings for IPC class H01M 4/92
Total number of patents in this class: 2664
10-year publication summary
|
185
|
184
|
147
|
151
|
179
|
178
|
161
|
140
|
173
|
137
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Toyota Motor Corporation | 36544 |
110 |
| Hyundai Motor Company | 25253 |
94 |
| Johnson Matthey Hydrogen Technologies Limited | 169 |
70 |
| Robert Bosch GmbH | 44445 |
56 |
| Nissan Motor Co., Ltd. | 13127 |
52 |
| Kolon Industries, Inc. | 1868 |
52 |
| TOYOTA JIDOSHA KABUSHIKI KAISHA (also trading as TOYOTA MOTOR CORPORATION) | 12282 |
52 |
| N.E. Chemcat Corporation | 188 |
48 |
| Cataler Corporation | 568 |
47 |
| Kia Corporation | 12991 |
42 |
| Audi AG | 7602 |
40 |
| Tanaka Kikinzoku Kogyo K.K. | 573 |
40 |
| 3m Innovative Properties Company | 17463 |
36 |
| Kia Motors Corporation | 7713 |
36 |
| Nisshinbo Holdings Inc. | 376 |
34 |
| LG Chem, Ltd. | 18005 |
33 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11137 |
33 |
| Honda Motor Co., Ltd. | 26702 |
29 |
| GM Global Technology Operations LLC | 16306 |
28 |
| Panasonic Intellectual Property Management Co., Ltd. | 34724 |
28 |
| Other owners | 1704 |