- 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: 3628
10-year publication summary
|
151
|
173
|
207
|
159
|
178
|
134
|
208
|
237
|
295
|
168
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kyocera Corporation | 14404 |
285 |
| Bloom Energy Corporation | 700 |
159 |
| NGK Insulators, Ltd. | 5241 |
154 |
| Commissariat à l'énergie atomique et aux energies alternatives | 11126 |
112 |
| Nissan Motor Co., Ltd. | 12980 |
107 |
| Honda Motor Co., Ltd. | 26064 |
94 |
| Sumitomo Electric Industries, Ltd. | 16396 |
85 |
| Panasonic Intellectual Property Management Co., Ltd. | 34080 |
78 |
| Robert Bosch GmbH | 44209 |
64 |
| Osaka Gas Co., Ltd. | 316 |
64 |
| Murata Manufacturing Co., Ltd. | 25776 |
60 |
| NGK Spark Plug Co., Ltd. | 873 |
56 |
| Ceres Intellectual Property Company Limited | 252 |
55 |
| JX Nippon Oil & Energy Corporation | 978 |
46 |
| Toto Ltd. | 1264 |
44 |
| Samsung Electro-mechanics Co., Ltd. | 6103 |
40 |
| Denso Corporation | 25607 |
34 |
| Saint-Gobain Ceramics & Plastics, Inc. | 803 |
32 |
| Morimura Sofc Technology Co.,Ltd | 71 |
32 |
| Mitsubishi Heavy Industries, Ltd. | 9152 |
29 |
| Other owners | 1998 |