- All sections
- H - Electricity
- H01M - Processes or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy
- H01M 8/12 - Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte
Patent holdings for IPC class H01M 8/12
Total number of patents in this class: 3665
10-year publication summary
|
151
|
173
|
207
|
159
|
178
|
135
|
211
|
238
|
298
|
215
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kyocera Corporation | 14502 |
284 |
| Bloom Energy Corporation | 703 |
160 |
| NGK Insulators, Ltd. | 5168 |
154 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11137 |
113 |
| Nissan Motor Co., Ltd. | 13083 |
109 |
| Honda Motor Co., Ltd. | 26657 |
93 |
| Sumitomo Electric Industries, Ltd. | 16437 |
85 |
| Panasonic Intellectual Property Management Co., Ltd. | 34623 |
79 |
| Robert Bosch GmbH | 44398 |
67 |
| Osaka Gas Co., Ltd. | 316 |
65 |
| Murata Manufacturing Co., Ltd. | 25998 |
59 |
| NGK Spark Plug Co., Ltd. | 869 |
56 |
| Ceres Intellectual Property Company Limited | 254 |
55 |
| JX Nippon Oil & Energy Corporation | 978 |
46 |
| Toto Ltd. | 1277 |
44 |
| Samsung Electro-mechanics Co., Ltd. | 6187 |
42 |
| Denso Corporation | 25820 |
34 |
| Saint-Gobain Ceramics & Plastics, Inc. | 804 |
32 |
| Morimura Sofc Technology Co.,Ltd | 70 |
32 |
| Topsoe A/S | 1080 |
30 |
| Other owners | 2026 |