- 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: 3062
10-year publication summary
|
261
|
159
|
151
|
173
|
204
|
154
|
162
|
110
|
143
|
32
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Kyocera Corporation | 12735 |
220 |
| Nissan Motor Co., Ltd. | 12249 |
121 |
| NGK Insulators, Ltd. | 4589 |
114 |
| Bloom Energy Corporation | 590 |
110 |
| Honda Motor Co., Ltd. | 24537 |
108 |
| Sumitomo Electric Industries, Ltd. | 14131 |
79 |
| Commissariat à l'énergie atomique et aux energies alternatives | 10525 |
79 |
| Osaka Gas Co., Ltd. | 312 |
67 |
| Panasonic Intellectual Property Management Co., Ltd. | 27812 |
66 |
| NGK Spark Plug Co., Ltd. | 935 |
59 |
| Murata Manufacturing Co., Ltd. | 22355 |
57 |
| JX Nippon Oil & Energy Corporation | 1019 |
46 |
| Toto Ltd. | 1096 |
45 |
| Ceres Intellectual Property Company Limited | 250 |
44 |
| Morimura Sofc Technology Co.,Ltd | 94 |
39 |
| Saint-Gobain Ceramics & Plastics, Inc. | 812 |
35 |
| Robert Bosch GmbH | 40953 |
33 |
| Panasonic Corporation | 20786 |
31 |
| Mitsubishi Power, Ltd. | 1680 |
28 |
| Mitsubishi Heavy Industries, Ltd. | 8217 |
26 |
| Other owners | 1655 |